minimal Common Oncology Data Elements (mCODE) Implementation Guide
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This page is part of the HL7 FHIR Implementation Guide: minimal Common Oncology Data Elements (mCODE) Release 1 - US Realm | STU1 (v3.0.0: STU 3) based on FHIR R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

ValueSet: Carcinoma In-Situ Disorder Value Set

Official URL: http://hl7.org/fhir/us/mcode/ValueSet/mcode-carcinoma-in-situ-disorder-vs Version: 3.0.0
Draft as of 2023-10-25 Maturity Level: 4 Computable Name: CarcinomaInSituDisorderVS

Copyright/Legal: This value set includes content from SNOMED CT, which is copyright © 2002+ International Health Terminology Standards Development Organisation (IHTSDO), and distributed by agreement between IHTSDO and HL7. Implementer use of SNOMED CT is not covered by this agreement

Types of carcinoma in-situ, coded in SNOMED CT or ICD-10-CM.

References

Logical Definition (CLD)

This value set includes codes based on the following rules:

  • Include codes from http://snomed.info/sct where concept is-a 109355002 (null)
  • Include these codes as defined in http://hl7.org/fhir/sid/icd-10-cm
    CodeDisplay
    D00CARCINOMA IN SITU OF ORAL CAVITY, ESOPHAGUS AND STOMACH
    D00.0Carcinoma in situ of lip, oral cavity and pharynx
    D00.00Carcinoma in situ of oral cavity, unspecified site
    D00.01Carcinoma in situ of labial mucosa and vermilion border
    D00.02Carcinoma in situ of buccal mucosa
    D00.03Carcinoma in situ of gingiva and edentulous alveolar ridge
    D00.04Carcinoma in situ of soft palate
    D00.05Carcinoma in situ of hard palate
    D00.06Carcinoma in situ of floor of mouth
    D00.07Carcinoma in situ of tongue
    D00.08Carcinoma in situ of pharynx
    D00.1Carcinoma in situ of esophagus
    D00.2Carcinoma in situ of stomach
    D01CARCINOMA IN SITU OF OTHER AND UNSPECIFIED DIGESTIVE ORGANS
    D01.0Carcinoma in situ of colon
    D01.1Carcinoma in situ of rectosigmoid junction
    D01.2Carcinoma in situ of rectum
    D01.3Carcinoma in situ of anus and anal canal
    D01.4Carcinoma in situ of other and unspecified parts of intestine
    D01.40Carcinoma in situ of unspecified part of intestine
    D01.49Carcinoma in situ of other parts of intestine
    D01.5Carcinoma in situ of liver, gallbladder and bile ducts
    D01.7Carcinoma in situ of other specified digestive organs
    D01.9Carcinoma in situ of digestive organ, unspecified
    D02CARCINOMA IN SITU OF MIDDLE EAR AND RESPIRATORY SYSTEM
    D02.0Carcinoma in situ of larynx
    D02.1Carcinoma in situ of trachea
    D02.2Carcinoma in situ of bronchus and lung
    D02.20Carcinoma in situ of unspecified bronchus and lung
    D02.21Carcinoma in situ of right bronchus and lung
    D02.22Carcinoma in situ of left bronchus and lung
    D02.3Carcinoma in situ of other parts of respiratory system
    D02.4Carcinoma in situ of respiratory system, unspecified
    D05CARCINOMA IN SITU OF BREAST
    D05.0Lobular carcinoma in situ of breast
    D05.00Lobular carcinoma in situ of unspecified breast
    D05.01Lobular carcinoma in situ of right breast
    D05.02Lobular carcinoma in situ of left breast
    D05.1Intraductal carcinoma in situ of breast
    D05.10Intraductal carcinoma in situ of unspecified breast
    D05.11Intraductal carcinoma in situ of right breast
    D05.12Intraductal carcinoma in situ of left breast
    D05.8Other specified type of carcinoma in situ of breast
    D05.80Other specified type of carcinoma in situ of unspecified breast
    D05.81Other specified type of carcinoma in situ of right breast
    D05.82Other specified type of carcinoma in situ of left breast
    D05.9Unspecified type of carcinoma in situ of breast
    D05.90Unspecified type of carcinoma in situ of unspecified breast
    D05.91Unspecified type of carcinoma in situ of right breast
    D05.92Unspecified type of carcinoma in situ of left breast
    D07CARCINOMA IN SITU OF OTHER AND UNSPECIFIED GENITAL ORGANS
    D07.0Carcinoma in situ of endometrium
    D07.1Carcinoma in situ of vulva
    D07.2Carcinoma in situ of vagina
    D07.3Carcinoma in situ of other and unspecified female genital organs
    D07.30Carcinoma in situ of unspecified female genital organs
    D07.39Carcinoma in situ of other female genital organs
    D07.4Carcinoma in situ of penis
    D07.6Carcinoma in situ of other and unspecified male genital organs
    D07.60Carcinoma in situ of unspecified male genital organs
    D07.61Carcinoma in situ of scrotum
    D07.69Carcinoma in situ of other male genital organs
    D09CARCINOMA IN SITU OF OTHER AND UNSPECIFIED SITES
    D09.0Carcinoma in situ of bladder
    D09.1Carcinoma in situ of other and unspecified urinary organs
    D09.10Carcinoma in situ of unspecified urinary organ
    D09.19Carcinoma in situ of other urinary organs
    D09.2Carcinoma in situ of eye
    D09.20Carcinoma in situ of unspecified eye
    D09.21Carcinoma in situ of right eye
    D09.22Carcinoma in situ of left eye
    D09.3Carcinoma in situ of thyroid and other endocrine glands
    D09.8Carcinoma in situ of other specified sites
    D09.9Carcinoma in situ, unspecified

 

Expansion

This value set contains 509 concepts

Expansion based on:

  • codesystem http://hl7.org/fhir/sid/icd-10-cm version 2021
  • SNOMED CT International edition 01-Sep 2023
  • system http://hl7.org/fhir/sid/icd-10-cm version 2021
  • SNOMED CT International edition 01-Sep 2023
CodeSystemDisplay
  109355002http://snomed.info/sctCarcinoma in situ (disorder)
  92523001http://snomed.info/sctCarcinoma in situ of accessory sinus
  92524007http://snomed.info/sctCarcinoma in situ of adenoid
  92525008http://snomed.info/sctCarcinoma in situ of adnexa of skin
  92526009http://snomed.info/sctCarcinoma in situ of adrenal cortex
  92527000http://snomed.info/sctCarcinoma in situ of adrenal gland
  92528005http://snomed.info/sctCarcinoma in situ of adrenal medulla
  92529002http://snomed.info/sctCarcinoma in situ of alveolar ridge mucosa
  92530007http://snomed.info/sctCarcinoma in situ of ampulla of Vater
  92531006http://snomed.info/sctCarcinoma in situ of anal canal
  92532004http://snomed.info/sctCarcinoma in situ of anterior aspect of epiglottis
  92534003http://snomed.info/sctCarcinoma in situ of anterior two-thirds of tongue
  92535002http://snomed.info/sctCarcinoma in situ of anterior wall of nasopharynx
  92536001http://snomed.info/sctCarcinoma in situ of anterior wall of urinary bladder
  92537005http://snomed.info/sctCarcinoma in situ of anus
  92538000http://snomed.info/sctCarcinoma in situ of apex of urinary bladder
  92539008http://snomed.info/sctCarcinoma in situ of appendix
  92540005http://snomed.info/sctCarcinoma in situ of areola of female breast
  92541009http://snomed.info/sctCarcinoma in situ of areola of male breast
  92542002http://snomed.info/sctCarcinoma in situ of ascending colon
  92543007http://snomed.info/sctCarcinoma in situ of axillary tail of female breast
  92544001http://snomed.info/sctCarcinoma in situ of base of tongue
  92545000http://snomed.info/sctCarcinoma in situ of biliary tract
  92546004http://snomed.info/sctCarcinoma in situ of bladder
  92547008http://snomed.info/sctCarcinoma in situ of body of pancreas
  92548003http://snomed.info/sctCarcinoma in situ of body of penis
  92549006http://snomed.info/sctCarcinoma in situ of body of stomach
  92550006http://snomed.info/sctCarcinoma in situ of body of uterus
  92551005http://snomed.info/sctCarcinoma in situ of broad ligament
  92552003http://snomed.info/sctCarcinoma in situ of bronchus of left lower lobe
  92553008http://snomed.info/sctCarcinoma in situ of bronchus of left upper lobe
  92554002http://snomed.info/sctCarcinoma in situ of bronchus of right lower lobe
  92555001http://snomed.info/sctCarcinoma in situ of bronchus of right middle lobe
  92556000http://snomed.info/sctCarcinoma in situ of bronchus of right upper lobe
  92557009http://snomed.info/sctCarcinoma in situ of bronchus
  92558004http://snomed.info/sctCarcinoma in situ of buccal mucosa
  92559007http://snomed.info/sctCarcinoma in situ of cecum
  92560002http://snomed.info/sctCarcinoma in situ of cardia of stomach
  92562005http://snomed.info/sctCarcinoma in situ of central portion of female breast
  92563000http://snomed.info/sctCarcinoma in situ of cervical esophagus
  92564006http://snomed.info/sctCarcinoma in situ of uterine cervix
  92565007http://snomed.info/sctCarcinoma in situ of choroid
  92566008http://snomed.info/sctCarcinoma in situ of ciliary body
  92567004http://snomed.info/sctCarcinoma in situ of clitoris
  92568009http://snomed.info/sctCarcinoma in situ of colon
  92569001http://snomed.info/sctCarcinoma in situ of commissure of lip
  92570000http://snomed.info/sctCarcinoma in situ of common bile duct
  92571001http://snomed.info/sctCarcinoma in situ of conjunctiva
  92572008http://snomed.info/sctCarcinoma in situ of cornea
  92573003http://snomed.info/sctCarcinoma in situ of craniopharyngeal duct
  92574009http://snomed.info/sctCarcinoma in situ of cystic duct
  92575005http://snomed.info/sctCarcinoma in situ of descending colon
  92576006http://snomed.info/sctCarcinoma in situ of dorsal surface of tongue
  92577002http://snomed.info/sctCarcinoma in situ of duodenum
  92578007http://snomed.info/sctCarcinoma in situ of ectopic female breast tissue
  92579004http://snomed.info/sctCarcinoma in situ of ectopic male breast tissue
  92580001http://snomed.info/sctCarcinoma in situ of endocervix
  92581002http://snomed.info/sctCarcinoma in situ of endocrine gland
  92582009http://snomed.info/sctCarcinoma in situ of endometrium
  92583004http://snomed.info/sctCarcinoma in situ of epididymis
  92584005http://snomed.info/sctCarcinoma in situ of epiglottis
  92585006http://snomed.info/sctCarcinoma in situ of esophagus
  92586007http://snomed.info/sctCarcinoma in situ of ethmoidal sinus
  92587003http://snomed.info/sctCarcinoma in situ of eustachian tube
  92588008http://snomed.info/sctCarcinoma in situ of exocervix
  92589000http://snomed.info/sctCarcinoma in situ of extrahepatic bile ducts
  92590009http://snomed.info/sctCarcinoma in situ of eye
  92591008http://snomed.info/sctCarcinoma in situ of fallopian tube
  92593006http://snomed.info/sctCarcinoma in situ of female breast
  92594000http://snomed.info/sctCarcinoma in situ of female genital organ
  92595004http://snomed.info/sctCarcinoma in situ of floor of mouth
  92596003http://snomed.info/sctCarcinoma in situ of prepuce
  92597007http://snomed.info/sctCarcinoma in situ of frontal sinus
  92598002http://snomed.info/sctCarcinoma in situ of fundus of stomach
  92599005http://snomed.info/sctCarcinoma in situ of gallbladder
  92600008http://snomed.info/sctCarcinoma in situ of gastrointestinal tract
  92601007http://snomed.info/sctCarcinoma in situ of gingival mucosa
  92602000http://snomed.info/sctCarcinoma in situ of glans penis
  92603005http://snomed.info/sctCarcinoma in situ of glottis
  92604004http://snomed.info/sctCarcinoma in situ of greater curvature of stomach
  92605003http://snomed.info/sctCarcinoma in situ of gum
  92606002http://snomed.info/sctCarcinoma in situ of hard palate
  92607006http://snomed.info/sctCarcinoma in situ of head of pancreas
  92608001http://snomed.info/sctCarcinoma in situ of hepatic flexure of colon
  92609009http://snomed.info/sctCarcinoma in situ of hilus of lung
  92610004http://snomed.info/sctCarcinoma in situ of hypopharyngeal aspect of aryepiglottic fold
  92611000http://snomed.info/sctCarcinoma in situ of hypopharyngeal aspect of interarytenoid fold
  92612007http://snomed.info/sctCarcinoma in situ of hypopharynx
  92613002http://snomed.info/sctCarcinoma in situ of ileum
  92614008http://snomed.info/sctCarcinoma in situ of inner aspect of lip
  92617001http://snomed.info/sctCarcinoma in situ of intestinal tract
  92618006http://snomed.info/sctCarcinoma in situ of intrahepatic bile ducts
  92619003http://snomed.info/sctCarcinoma in situ of islets of Langerhans
  92620009http://snomed.info/sctCarcinoma in situ of isthmus of uterus
  92621008http://snomed.info/sctCarcinoma in situ of jejunum
  92622001http://snomed.info/sctCarcinoma in situ of junctional region of epiglottis
  92623006http://snomed.info/sctCarcinoma in situ of junctional zone of tongue
  92624000http://snomed.info/sctCarcinoma in situ of kidney
  92625004http://snomed.info/sctCarcinoma in situ of labia majora
  92626003http://snomed.info/sctCarcinoma in situ of labia minora
  92628002http://snomed.info/sctCarcinoma in situ of lacrimal gland
  92629005http://snomed.info/sctCarcinoma in situ of large intestine
  92630000http://snomed.info/sctCarcinoma in situ of laryngeal aspect of aryepiglottic fold
  92631001http://snomed.info/sctCarcinoma in situ of laryngeal aspect of interarytenoid fold
  92632008http://snomed.info/sctCarcinoma in situ of laryngeal commissure
  92633003http://snomed.info/sctCarcinoma in situ of laryngeal surface of epiglottis
  92634009http://snomed.info/sctCarcinoma in situ of larynx
  92636006http://snomed.info/sctCarcinoma in situ of lateral wall of nasopharynx
  92637002http://snomed.info/sctCarcinoma in situ of lateral wall of oropharynx
  92638007http://snomed.info/sctCarcinoma in situ of lateral wall of urinary bladder
  92639004http://snomed.info/sctCarcinoma in situ of left lower lobe of lung
  92640002http://snomed.info/sctCarcinoma in situ of left upper lobe of lung
  92642005http://snomed.info/sctCarcinoma in situ of lingual tonsil
  92643000http://snomed.info/sctCarcinoma in situ of lip
  92644006http://snomed.info/sctCarcinoma in situ of liver
  92645007http://snomed.info/sctCarcinoma in situ of lower gum
  92646008http://snomed.info/sctCarcinoma in situ of lower inner quadrant of female breast
  92647004http://snomed.info/sctCarcinoma in situ of lower outer quadrant of female breast
  92648009http://snomed.info/sctCarcinoma in situ of lower third of esophagus
  92649001http://snomed.info/sctCarcinoma in situ of lung
  92650001http://snomed.info/sctCarcinoma in situ of main bronchus
  92651002http://snomed.info/sctCarcinoma in situ of major salivary gland
  92652009http://snomed.info/sctCarcinoma in situ of male breast
  92653004http://snomed.info/sctCarcinoma in situ of male genital organ
  92654005http://snomed.info/sctCarcinoma in situ of mastoid air cells
  92655006http://snomed.info/sctCarcinoma in situ of maxillary sinus
  92656007http://snomed.info/sctCarcinoma in situ of Meckel's diverticulum
  92657003http://snomed.info/sctCarcinoma in situ of middle ear
  92658008http://snomed.info/sctCarcinoma in situ of middle third of esophagus
  92659000http://snomed.info/sctCarcinoma in situ of minor salivary gland
  92660005http://snomed.info/sctCarcinoma in situ of mouth
  92661009http://snomed.info/sctCarcinoma in situ of multiple endocrine glands
  92662002http://snomed.info/sctCarcinoma in situ of myometrium
  92663007http://snomed.info/sctCarcinoma in situ of nasal cavity
  92664001http://snomed.info/sctCarcinoma in situ of nasopharynx
  92665000http://snomed.info/sctCarcinoma in situ of nipple of female breast
  92666004http://snomed.info/sctCarcinoma in situ of nipple of male breast
  92668003http://snomed.info/sctCarcinoma in situ of oropharynx
  92669006http://snomed.info/sctCarcinoma in situ of ovary
  92670007http://snomed.info/sctCarcinoma in situ of palate
  92671006http://snomed.info/sctCarcinoma in situ of tonsil
  92672004http://snomed.info/sctCarcinoma in situ of pancreas
  92673009http://snomed.info/sctCarcinoma in situ of pancreatic duct
  92674003http://snomed.info/sctCarcinoma in situ of parametrium
  92675002http://snomed.info/sctCarcinoma in situ of parathyroid gland
  92676001http://snomed.info/sctCarcinoma in situ of paraurethral glands
  92677005http://snomed.info/sctCarcinoma in situ of parietal pleura
  92678000http://snomed.info/sctCarcinoma in situ of parotid gland
  92679008http://snomed.info/sctCarcinoma in situ of penis
  92680006http://snomed.info/sctCarcinoma in situ of perianal skin
  92681005http://snomed.info/sctCarcinoma in situ of pharynx
  92682003http://snomed.info/sctCarcinoma in situ of pineal gland
  92683008http://snomed.info/sctCarcinoma in situ of pituitary gland
  92684002http://snomed.info/sctCarcinoma in situ of placenta
  92685001http://snomed.info/sctCarcinoma in situ of pleura
  92686000http://snomed.info/sctCarcinoma in situ of postcricoid region
  92687009http://snomed.info/sctCarcinoma in situ of posterior hypopharyngeal wall
  92688004http://snomed.info/sctCarcinoma in situ of posterior wall of nasopharynx
  92689007http://snomed.info/sctCarcinoma in situ of posterior wall of oropharynx
  92690003http://snomed.info/sctCarcinoma in situ of posterior wall of urinary bladder
  92691004http://snomed.info/sctCarcinoma in situ of prostate
  92692006http://snomed.info/sctCarcinoma in situ of pyloric antrum
  92693001http://snomed.info/sctCarcinoma in situ of pylorus
  92694007http://snomed.info/sctCarcinoma in situ of pyriform sinus
  92695008http://snomed.info/sctCarcinoma in situ of rectosigmoid junction
  92696009http://snomed.info/sctCarcinoma in situ of rectum
  92697000http://snomed.info/sctCarcinoma in situ of renal pelvis
  92698005http://snomed.info/sctCarcinoma in situ of respiratory tract
  92699002http://snomed.info/sctCarcinoma in situ of retina
  92700001http://snomed.info/sctCarcinoma in situ of retromolar area
  92701002http://snomed.info/sctCarcinoma in situ of right lower lobe of lung
  92702009http://snomed.info/sctCarcinoma in situ of right middle lobe of lung
  92703004http://snomed.info/sctCarcinoma in situ of right upper lobe of lung
  92704005http://snomed.info/sctCarcinoma in situ of round ligament of uterus
  92705006http://snomed.info/sctCarcinoma in situ of sclera
  92706007http://snomed.info/sctCarcinoma in situ of scrotum
  92707003http://snomed.info/sctCarcinoma in situ of sebaceous gland
  92708008http://snomed.info/sctCarcinoma in situ of sigmoid colon
  92709000http://snomed.info/sctCarcinoma in situ of skin of abdomen
  92710005http://snomed.info/sctCarcinoma in situ of skin of ankle
  92712002http://snomed.info/sctCarcinoma in situ of skin of axilla
  92713007http://snomed.info/sctCarcinoma in situ of skin of back
  92714001http://snomed.info/sctCarcinoma in situ of skin of breast
  92715000http://snomed.info/sctCarcinoma in situ of skin of buttock
  92716004http://snomed.info/sctCarcinoma in situ of skin of cheek
  92717008http://snomed.info/sctCarcinoma in situ of skin of chest
  92718003http://snomed.info/sctCarcinoma in situ of skin of chin
  92719006http://snomed.info/sctCarcinoma in situ of skin of ear
  92720000http://snomed.info/sctCarcinoma in situ of skin of elbow
  92722008http://snomed.info/sctCarcinoma in situ of skin of eyebrow
  92723003http://snomed.info/sctCarcinoma in situ of skin of eyelid
  92724009http://snomed.info/sctCarcinoma in situ of skin of face
  92725005http://snomed.info/sctCarcinoma in situ of skin of finger
  92726006http://snomed.info/sctCarcinoma in situ of skin of foot
  92727002http://snomed.info/sctCarcinoma in situ of skin of forearm
  92728007http://snomed.info/sctCarcinoma in situ of skin of forehead
  92729004http://snomed.info/sctCarcinoma in situ of skin of groin
  92730009http://snomed.info/sctCarcinoma in situ of skin of hand
  92731008http://snomed.info/sctCarcinoma in situ of skin of hip
  92732001http://snomed.info/sctCarcinoma in situ of skin of knee
  92734000http://snomed.info/sctCarcinoma in situ of skin of lip
  92735004http://snomed.info/sctCarcinoma in situ of skin of lower limb
  92736003http://snomed.info/sctCarcinoma in situ of skin of neck
  92737007http://snomed.info/sctCarcinoma in situ of skin of nose
  92738002http://snomed.info/sctCarcinoma in situ of skin of perineum
  92739005http://snomed.info/sctCarcinoma in situ of skin of popliteal area
  92740007http://snomed.info/sctCarcinoma in situ of skin of scalp
  92741006http://snomed.info/sctCarcinoma in situ of skin of shoulder
  92742004http://snomed.info/sctCarcinoma in situ of skin of temporal region
  92743009http://snomed.info/sctCarcinoma in situ of skin of thigh
  92744003http://snomed.info/sctCarcinoma in situ of skin of toe
  92745002http://snomed.info/sctCarcinoma in situ of skin of trunk
  92746001http://snomed.info/sctCarcinoma in situ of skin of umbilicus
  92747005http://snomed.info/sctCarcinoma in situ of skin of upper limb
  92748000http://snomed.info/sctCarcinoma in situ of skin of wrist
  92749008http://snomed.info/sctCarcinoma in situ of skin
  92750008http://snomed.info/sctCarcinoma in situ of small intestine
  92751007http://snomed.info/sctCarcinoma in situ of soft palate
  92752000http://snomed.info/sctCarcinoma in situ of spermatic cord
  92753005http://snomed.info/sctCarcinoma in situ of sphenoidal sinus
  92754004http://snomed.info/sctCarcinoma in situ of spleen
  92756002http://snomed.info/sctCarcinoma in situ of stomach
  92757006http://snomed.info/sctCarcinoma in situ of subglottis
  92758001http://snomed.info/sctCarcinoma in situ of sublingual gland
  92759009http://snomed.info/sctCarcinoma in situ of submaxillary gland
  92760004http://snomed.info/sctCarcinoma in situ of superior wall of nasopharynx
  92761000http://snomed.info/sctCarcinoma in situ of supraglottis
  92762007http://snomed.info/sctCarcinoma in situ of sweat gland
  92763002http://snomed.info/sctCarcinoma in situ of tail of pancreas
  92764008http://snomed.info/sctCarcinoma in situ of testis
  92766005http://snomed.info/sctCarcinoma in situ of thyroglossal duct
  92767001http://snomed.info/sctCarcinoma in situ of thyroid gland
  92768006http://snomed.info/sctCarcinoma in situ of tip AND/OR lateral border of tongue
  92769003http://snomed.info/sctCarcinoma in situ of tongue
  92770002http://snomed.info/sctCarcinoma in situ of tonsillar fossa
  92771003http://snomed.info/sctCarcinoma in situ of tonsillar pillar
  92772005http://snomed.info/sctCarcinoma in situ of trachea
  92773000http://snomed.info/sctCarcinoma in situ of transverse colon
  92774006http://snomed.info/sctCarcinoma in situ of trigone of urinary bladder
  92775007http://snomed.info/sctCarcinoma in situ of undescended testis
  92776008http://snomed.info/sctCarcinoma in situ of upper gum
  92777004http://snomed.info/sctCarcinoma in situ of upper inner quadrant of female breast
  92778009http://snomed.info/sctCarcinoma in situ of upper outer quadrant of female breast
  92779001http://snomed.info/sctCarcinoma in situ of upper respiratory tract
  92780003http://snomed.info/sctCarcinoma in situ of upper third esophagus
  92781004http://snomed.info/sctCarcinoma in situ of urachus
  92782006http://snomed.info/sctCarcinoma in situ of ureter
  92783001http://snomed.info/sctCarcinoma in situ of ureteric orifice of urinary bladder
  92784007http://snomed.info/sctCarcinoma in situ of urethra
  92785008http://snomed.info/sctCarcinoma in situ of urinary bladder neck
  92786009http://snomed.info/sctCarcinoma in situ of urinary system
  92787000http://snomed.info/sctCarcinoma in situ of uterine adnexa
  92788005http://snomed.info/sctCarcinoma in situ of uterus
  92789002http://snomed.info/sctCarcinoma in situ of uveal tract
  92790006http://snomed.info/sctCarcinoma in situ of uvula
  92791005http://snomed.info/sctCarcinoma in situ of vagina
  92792003http://snomed.info/sctCarcinoma in situ of vallecula
  92793008http://snomed.info/sctCarcinoma in situ of vas deferens
  92794002http://snomed.info/sctCarcinoma in situ of ventral surface of tongue
  92795001http://snomed.info/sctCarcinoma in situ of vermilion border of lip
  92796000http://snomed.info/sctCarcinoma in situ of vermilion border of lower lip
  92797009http://snomed.info/sctCarcinoma in situ of vermilion border of upper lip
  92798004http://snomed.info/sctCarcinoma in situ of vestibule of mouth
  92799007http://snomed.info/sctCarcinoma in situ of vestibule of nose
  92800006http://snomed.info/sctCarcinoma in situ of visceral pleura
  92801005http://snomed.info/sctCarcinoma in situ of vocal cord
  92802003http://snomed.info/sctCarcinoma in situ of vulva
  92803008http://snomed.info/sctCarcinoma in situ of Waldeyer's ring
  109827007http://snomed.info/sctCarcinoma in situ of salivary gland duct
  109850001http://snomed.info/sctCarcinoma in situ of digestive organ
  109888004http://snomed.info/sctLobular carcinoma in situ of breast
  109889007http://snomed.info/sctIntraductal carcinoma in situ of breast
  189212001http://snomed.info/sctCarcinoma in situ of salivary gland
  189229003http://snomed.info/sctCarcinoma in situ of splenic flexure
  189231007http://snomed.info/sctCarcinoma in situ of rectum and rectosigmoid junction
  189243008http://snomed.info/sctCarcinoma in situ of hepatic duct
  189246000http://snomed.info/sctCarcinoma in situ of sphincter of Oddi
  189251006http://snomed.info/sctCarcinoma in situ of respiratory system
  189252004http://snomed.info/sctCarcinoma in situ of thyroid cartilage
  189253009http://snomed.info/sctCarcinoma in situ of cricoid cartilage
  189255002http://snomed.info/sctCarcinoma in situ of arytenoid cartilage
  189256001http://snomed.info/sctCarcinoma in situ of corniculate cartilage
  189257005http://snomed.info/sctCarcinoma in situ of cuneiform cartilage
  189258000http://snomed.info/sctCarcinoma in situ of aryepiglottic fold
  189259008http://snomed.info/sctCarcinoma in situ of vestibular fold
  189262006http://snomed.info/sctCarcinoma in situ of bronchus and lung
  189263001http://snomed.info/sctCarcinoma in situ of carina of bronchus
  189265008http://snomed.info/sctCarcinoma in situ of upper lobe bronchus and lung
  189266009http://snomed.info/sctCarcinoma in situ of middle lobe bronchus and lung
  189267000http://snomed.info/sctCarcinoma in situ of lower lobe bronchus and lung
  189271002http://snomed.info/sctCarcinoma in situ of tympanic cavity
  189272009http://snomed.info/sctCarcinoma in situ of tympanic antrum
  189277003http://snomed.info/sctCarcinoma in situ of skin of eyelid including canthus
  189279000http://snomed.info/sctCarcinoma in situ of skin of auricle
  189280002http://snomed.info/sctCarcinoma in situ of skin of external auricular canal
  189289001http://snomed.info/sctCarcinoma in situ of skin of jaw
  189291009http://snomed.info/sctCarcinoma in situ of scalp and skin of neck
  189292002http://snomed.info/sctCarcinoma in situ of scalp
  189308005http://snomed.info/sctCarcinoma in situ of skin of upper arm
  189317005http://snomed.info/sctCarcinoma in situ of skin of lower leg
  189336000http://snomed.info/sctCarcinoma in situ of breast
  189565007http://snomed.info/sctSquamous cell carcinoma in situ
  231830001http://snomed.info/sctBowen's disease of eyelid
  240545008http://snomed.info/sctAnogenital papillomaviral intraepithelial neoplasia
  254394005http://snomed.info/sctCarcinoma in situ of fraenum of lip
  254399000http://snomed.info/sctCarcinoma in situ of frenum of upper lip
  254403009http://snomed.info/sctCarcinoma in situ of fraenum of lower lip
  254406001http://snomed.info/sctCarcinoma in situ of anterior two-thirds of tongue - dorsal surface
  254409008http://snomed.info/sctCarcinoma in situ of anterior two-thirds of tongue - border
  254413001http://snomed.info/sctCarcinoma in situ of tip of tongue
  254418005http://snomed.info/sctCarcinoma in situ of frenum linguae
  254428001http://snomed.info/sctCarcinoma in situ anterior floor of mouth
  254432007http://snomed.info/sctCarcinoma in situ lateral floor of mouth
  254442009http://snomed.info/sctCarcinoma in situ of upper buccal sulcus
  254446007http://snomed.info/sctCarcinoma in situ of lower buccal sulcus
  254451001http://snomed.info/sctCarcinoma in situ upper labial sulcus
  254455005http://snomed.info/sctCarcinoma in situ of lower labial sulcus
  254460009http://snomed.info/sctCarcinoma in situ of anterior pillar of fauces
  254510001http://snomed.info/sctCarcinoma in situ of anterior commissure
  254514005http://snomed.info/sctCarcinoma in situ of posterior commissure
  254540004http://snomed.info/sctCarcinoma in situ of thoracic part of esophagus
  254544008http://snomed.info/sctCarcinoma in situ of abdominal part of esophagus
  254564003http://snomed.info/sctCarcinoma in situ of lesser curve of stomach
  254639005http://snomed.info/sctCarcinoma in situ of lung parenchyma
  254656002http://snomed.info/sctBowen's disease of skin
  255007008http://snomed.info/sctBowen's disease of cornea
  255131000http://snomed.info/sctCarcinoma in situ of oral cavity, lips, salivary glands
  255132007http://snomed.info/sctCarcinoma in situ of anterior two-thirds of tongue - ventral surface
  255136005http://snomed.info/sctCarcinoma in situ of upper labial mucosa
  255137001http://snomed.info/sctCarcinoma in situ of buccal aspect of lower lip
  255138006http://snomed.info/sctCarcinoma in situ of ear, nose and throat
  255139003http://snomed.info/sctCarcinoma in situ of middle ear and mastoid
  255140001http://snomed.info/sctCarcinoma in situ of nasal cavity and nasopharynx
  255142009http://snomed.info/sctCarcinoma in situ of respiratory and intrathoracic organ
  255144005http://snomed.info/sctCarcinoma in situ of ear
  255145006http://snomed.info/sctCarcinoma in situ of surface epithelium
  255149000http://snomed.info/sctCarcinoma in situ of prostatic ducts
  255150000http://snomed.info/sctCarcinoma in situ of urinary tract
  271525004http://snomed.info/sctCarcinoma in situ of liver and/or biliary system (disorder)
  275492001http://snomed.info/sctCarcinoma in situ tongue base - dorsal surface
  276875006http://snomed.info/sctVulval intraepithelial neoplasia grade III
  313351009http://snomed.info/sctBowen's disease of vulva
  398768004http://snomed.info/sctQueyrat's erythroplasia (disorder)
  398831006http://snomed.info/sctBowen's disease of penis (disorder)
  399911003http://snomed.info/sctBowenoid papulosis of vulva with vulval intraepithelial neoplasia grade III (disorder)
  399929008http://snomed.info/sctBowenoid papulosis of anus with anal intraepithelial neoplasia grade III (disorder)
  400066006http://snomed.info/sctIntraepithelial squamous cell carcinoma (disorder)
  400092004http://snomed.info/sctPenile intraepithelial neoplasia grade III (disorder)
  400118002http://snomed.info/sctBowenoid papulosis of penis with penile intraepithelial neoplasia grade III (disorder)
  402813000http://snomed.info/sctCarcinoma-in-situ of oral mucosa (disorder)
  403485001http://snomed.info/sctAnal intraepithelial neoplasia (AIN III) (disorder)
  403873003http://snomed.info/sctIntraepidermal squamous carcinoma of scalp (disorder)
  403874009http://snomed.info/sctIntraepidermal squamous carcinoma of face (disorder)
  403875005http://snomed.info/sctIntraepidermal squamous carcinoma of forehead (disorder)
  403876006http://snomed.info/sctIntraepidermal squamous carcinoma of ear (disorder)
  403877002http://snomed.info/sctIntraepidermal squamous carcinoma of hand (disorder)
  403878007http://snomed.info/sctIntraepidermal squamous carcinoma of upper extremity (disorder)
  403879004http://snomed.info/sctIntraepidermal squamous carcinoma of lower extremity (disorder)
  403880001http://snomed.info/sctIntraepidermal squamous carcinoma of trunk (disorder)
  403881002http://snomed.info/sctBowen's disease, atrophic (disorder)
  403882009http://snomed.info/sctBowen's disease, verrucous (disorder)
  403883004http://snomed.info/sctBowen's disease, psoriasiform (disorder)
  403884005http://snomed.info/sctBowen's disease, pigmented (disorder)
  403885006http://snomed.info/sctBowen's disease, pagetoid (disorder)
  403886007http://snomed.info/sctBowen's disease, clonal (disorder)
  403887003http://snomed.info/sctBowen's disease, clear cell (disorder)
  403888008http://snomed.info/sctMultiple intraepidermal squamous carcinomata (disorder)
  406103009http://snomed.info/sctSquamous cell carcinoma in situ of uterine cervix (disorder)
  416921001http://snomed.info/sctCarcinoma in situ of nasolacrimal duct (disorder)
  422607004http://snomed.info/sctCarcinoma in situ of lacrimal drainage system (disorder)
  422893006http://snomed.info/sctCarcinoma in situ of lacrimal gland duct (disorder)
  423278008http://snomed.info/sctLentigo maligna of skin of eyelid (disorder)
  446711009http://snomed.info/sctHigh grade prostatic intraepithelial neoplasia (disorder)
  447953007http://snomed.info/sctBowen's disease of skin of chest (disorder)
  449064001http://snomed.info/sctBowen's disease of skin of buttock (disorder)
  449802004http://snomed.info/sctCarcinoma in situ of dome of urinary bladder (disorder)
  473419009http://snomed.info/sctIntraductal papillary mucinous carcinoma in situ of pancreas
  702712006http://snomed.info/sctCarcinoma in situ of common hepatic duct
  721594000http://snomed.info/sctPapillary carcinoma in situ of breast (disorder)
  721595004http://snomed.info/sctPrimary intracystic papillary carcinoma of breast (disorder)
  721596003http://snomed.info/sctSolid papillary carcinoma in situ of breast (disorder)
  722523004http://snomed.info/sctMixed ductal and lobular carcinoma in situ of breast (disorder)
  722664004http://snomed.info/sctCarcinoma in situ of ocular adnexa (disorder)
  722713005http://snomed.info/sctCarcinoma in situ of anal margin (disorder)
  723164006http://snomed.info/sctCarcinoma in situ of skin of penis (disorder)
  737169005http://snomed.info/sctDuctal comedocarcinoma in situ of breast (disorder)
  762260000http://snomed.info/sctPleomorphic lobular carcinoma in situ of breast
  767544007http://snomed.info/sctIntraepithelial squamous cell carcinoma of anogenital region
  785798002http://snomed.info/sctCarcinoma in situ of oral cavity (disorder)
  789051005http://snomed.info/sctSquamous cell carcinoma in situ of skin caused by sunlight (disorder)
  816979008http://snomed.info/sctDifferentiated vulvar intraepithelial neoplasia
  816980006http://snomed.info/sctDifferentiated PeIN (penile intraepithelial neoplasia)
  826978004http://snomed.info/sctSolid ductal carcinoma in situ of breast (disorder)
  871635009http://snomed.info/sctOesophageal squamous cell carcinoma in situ
  1196834001http://snomed.info/sctIntraductal papillary neoplasia with high grade intraepithelial neoplasia of liver
  1197288009http://snomed.info/sctHigh grade squamous intraepithelial neoplasia of esophagus (disorder)
  1286950009http://snomed.info/sctSquamous cell carcinoma in situ of skin of upper eyelid
  1286957007http://snomed.info/sctSquamous cell carcinoma in situ of skin of foot
  7811000119100http://snomed.info/sctIntraepidermal squamous carcinoma of anus
  80071000119103http://snomed.info/sctBasal cell carcinoma of skin in situ (disorder)
  353591000119105http://snomed.info/sctCarcinoma in situ of left breast (disorder)
  353601000119103http://snomed.info/sctCarcinoma in situ of left bronchus and lung (disorder)
  353611000119100http://snomed.info/sctCarcinoma in situ of left eye (disorder)
  353631000119105http://snomed.info/sctCarcinoma in situ of right breast
  353781000119101http://snomed.info/sctCarcinoma in situ of right bronchus and lung
  353851000119103http://snomed.info/sctCarcinoma in situ of skin of right lower limb
  353871000119107http://snomed.info/sctCarcinoma in situ of skin of left upper extremity
  353881000119105http://snomed.info/sctCarcinoma in situ of skin of left ear (disorder)
  353901000119107http://snomed.info/sctCarcinoma in situ of skin of left lower extremity
  354251000119100http://snomed.info/sctCarcinoma in situ of skin of right upper limb
  354311000119109http://snomed.info/sctCarcinoma in situ of right eye
  354321000119102http://snomed.info/sctCarcinoma in situ of skin of right ear
  354341000119108http://snomed.info/sctLobular carcinoma in situ of left breast
  354471000119108http://snomed.info/sctLobular carcinoma in situ of right breast (disorder)
  688541000119109http://snomed.info/sctIntraepidermal squamous carcinoma of skin of perianal area (disorder)
  688591000119101http://snomed.info/sctIntraepidermal squamous carcinoma of lip
  688601000119108http://snomed.info/sctIntraepidermal squamous carcinoma of neck (disorder)
  1079811000119104http://snomed.info/sctDuctal carcinoma in situ of left breast (disorder)
  1079821000119106http://snomed.info/sctDuctal carcinoma in situ of right breast (disorder)
  1081971000119109http://snomed.info/sctIntraepidermal squamous carcinoma of left upper limb
  1081981000119107http://snomed.info/sctIntraepidermal squamous carcinoma of left ear
  1082001000119107http://snomed.info/sctIntraepidermal squamous cell carcinoma of left lower limb (disorder)
  1082011000119105http://snomed.info/sctIntraepidermal squamous cell carcinoma of right upper limb (disorder)
  1082021000119103http://snomed.info/sctIntraepidermal squamous carcinoma of right ear
  1082041000119109http://snomed.info/sctIntraepidermal squamous carcinoma of right lower limb
  15636951000119108http://snomed.info/sctDuctal carcinoma in situ of bilateral breasts
  15949341000119100http://snomed.info/sctIntraepidermal squamous cell carcinoma of bilateral upper extremities
  15949381000119105http://snomed.info/sctIntraepidermal squamous cell carcinoma of bilateral lower limbs (disorder)
  15953021000119108http://snomed.info/sctCarcinoma in situ of both breasts
  16908241000119106http://snomed.info/sctSquamous cell carcinoma in situ of skin of right upper eyelid
  16908281000119101http://snomed.info/sctSquamous cell carcinoma in situ of skin of right lower eyelid
  16908321000119106http://snomed.info/sctSquamous cell carcinoma in situ of skin of left lower eyelid (disorder)
  16908361000119101http://snomed.info/sctSquamous cell carcinoma in situ of skin of left upper eyelid
  165264081000119102http://snomed.info/sctSquamous cell carcinoma in situ of skin of left foot
  872012781000119103http://snomed.info/sctSquamous cell carcinoma in situ of skin of right foot
  D00http://hl7.org/fhir/sid/icd-10-cmCARCINOMA IN SITU OF ORAL CAVITY, ESOPHAGUS AND STOMACH
  D00.0http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of lip, oral cavity and pharynx
  D00.00http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of oral cavity, unspecified site
  D00.01http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of labial mucosa and vermilion border
  D00.02http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of buccal mucosa
  D00.03http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of gingiva and edentulous alveolar ridge
  D00.04http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of soft palate
  D00.05http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of hard palate
  D00.06http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of floor of mouth
  D00.07http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of tongue
  D00.08http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of pharynx
  D00.1http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of esophagus
  D00.2http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of stomach
  D01http://hl7.org/fhir/sid/icd-10-cmCARCINOMA IN SITU OF OTHER AND UNSPECIFIED DIGESTIVE ORGANS
  D01.0http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of colon
  D01.1http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of rectosigmoid junction
  D01.2http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of rectum
  D01.3http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of anus and anal canal
  D01.4http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of other and unspecified parts of intestine
  D01.40http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of unspecified part of intestine
  D01.49http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of other parts of intestine
  D01.5http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of liver, gallbladder and bile ducts
  D01.7http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of other specified digestive organs
  D01.9http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of digestive organ, unspecified
  D02http://hl7.org/fhir/sid/icd-10-cmCARCINOMA IN SITU OF MIDDLE EAR AND RESPIRATORY SYSTEM
  D02.0http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of larynx
  D02.1http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of trachea
  D02.2http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of bronchus and lung
  D02.20http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of unspecified bronchus and lung
  D02.21http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of right bronchus and lung
  D02.22http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of left bronchus and lung
  D02.3http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of other parts of respiratory system
  D02.4http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of respiratory system, unspecified
  D05http://hl7.org/fhir/sid/icd-10-cmCARCINOMA IN SITU OF BREAST
  D05.0http://hl7.org/fhir/sid/icd-10-cmLobular carcinoma in situ of breast
  D05.00http://hl7.org/fhir/sid/icd-10-cmLobular carcinoma in situ of unspecified breast
  D05.01http://hl7.org/fhir/sid/icd-10-cmLobular carcinoma in situ of right breast
  D05.02http://hl7.org/fhir/sid/icd-10-cmLobular carcinoma in situ of left breast
  D05.1http://hl7.org/fhir/sid/icd-10-cmIntraductal carcinoma in situ of breast
  D05.10http://hl7.org/fhir/sid/icd-10-cmIntraductal carcinoma in situ of unspecified breast
  D05.11http://hl7.org/fhir/sid/icd-10-cmIntraductal carcinoma in situ of right breast
  D05.12http://hl7.org/fhir/sid/icd-10-cmIntraductal carcinoma in situ of left breast
  D05.8http://hl7.org/fhir/sid/icd-10-cmOther specified type of carcinoma in situ of breast
  D05.80http://hl7.org/fhir/sid/icd-10-cmOther specified type of carcinoma in situ of unspecified breast
  D05.81http://hl7.org/fhir/sid/icd-10-cmOther specified type of carcinoma in situ of right breast
  D05.82http://hl7.org/fhir/sid/icd-10-cmOther specified type of carcinoma in situ of left breast
  D05.9http://hl7.org/fhir/sid/icd-10-cmUnspecified type of carcinoma in situ of breast
  D05.90http://hl7.org/fhir/sid/icd-10-cmUnspecified type of carcinoma in situ of unspecified breast
  D05.91http://hl7.org/fhir/sid/icd-10-cmUnspecified type of carcinoma in situ of right breast
  D05.92http://hl7.org/fhir/sid/icd-10-cmUnspecified type of carcinoma in situ of left breast
  D07http://hl7.org/fhir/sid/icd-10-cmCARCINOMA IN SITU OF OTHER AND UNSPECIFIED GENITAL ORGANS
  D07.0http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of endometrium
  D07.1http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of vulva
  D07.2http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of vagina
  D07.3http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of other and unspecified female genital organs
  D07.30http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of unspecified female genital organs
  D07.39http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of other female genital organs
  D07.4http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of penis
  D07.6http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of other and unspecified male genital organs
  D07.60http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of unspecified male genital organs
  D07.61http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of scrotum
  D07.69http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of other male genital organs
  D09http://hl7.org/fhir/sid/icd-10-cmCARCINOMA IN SITU OF OTHER AND UNSPECIFIED SITES
  D09.0http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of bladder
  D09.1http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of other and unspecified urinary organs
  D09.10http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of unspecified urinary organ
  D09.19http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of other urinary organs
  D09.2http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of eye
  D09.20http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of unspecified eye
  D09.21http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of right eye
  D09.22http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of left eye
  D09.3http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of thyroid and other endocrine glands
  D09.8http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ of other specified sites
  D09.9http://hl7.org/fhir/sid/icd-10-cmCarcinoma in situ, unspecified

Explanation of the columns that may appear on this page:

Level A few code lists that FHIR defines are hierarchical - each code is assigned a level. In this scheme, some codes are under other codes, and imply that the code they are under also applies
System The source of the definition of the code (when the value set draws in codes defined elsewhere)
Code The code (used as the code in the resource instance)
Display The display (used in the display element of a Coding). If there is no display, implementers should not simply display the code, but map the concept into their application
Definition An explanation of the meaning of the concept
Comments Additional notes about how to use the code