This code system http://hl7.org/fhir/us/hai/CodeSystem/2.16.840.1.113883.6.277 defines the following codes:
| Code | Display | Definition |
| 1601-4 | Breast abscess or mastitis | |
| 1602-2 | Myocarditis or pericarditis | |
| 1603-0 | Clinical sepsis | |
| 1604-8 | Deep incisional primary SSI | |
| 1605-5 | Deep incisional secondary SSI | |
| 1606-3 | Vertebral disc space infection | |
| 1607-1 | Ear or mastoid infection (otitis externa, otitis media, otitis interna, mastoiditis) | |
| 1608-9 | Eye infection, other than conjunctivitis | |
| 1609-7 | Gastrointestinal tract infection (esophagus, stomach, small and large bowel, and rectum) excluding gastroenteritis and appendicitis | |
| 1610-5 | Intraabdominal infection, not specified elsewhere including gallbladder, bile ducts, liver (excluding viral hepatitis), spleen, pancreas, peritoneum, subphrenic or subdiaphragmatic space, or other intraabdominal tissue or area not specified elsewhere | |
| 1611-3 | Intracranial infection (brain abscess, subdural or epidural infection, encephalitis) | |
| 1612-1 | Joint or bursa infection | |
| 1613-9 | Laboratory-confirmed bloodstream infection | |
| 1614-7 | Other infections of the lower respiratory tract, other than pneumonia | |
| 1615-4 | Meningitis or ventriculitis | |
| 1616-2 | Oral cavity infection (mouth, tongue, or gums) | |
| 1617-0 | Other infections of the male or female reproductive tract (epididymis, testes, prostate, vagina, ovaries, uterus, or other deep pelvic tissues, excluding endometritis or vaginal cuff infections) | |
| 1618-8 | Other infections of the urinary tract (kidney, ureter, bladder, urethra, or tissue surrounding the retroperitoneal or perinephric space) | |
| 1619-6 | Spinal abscess without meningitis | |
| 1620-4 | Superficial incisional primary SSI | |
| 1621-2 | Superficial incisional secondary SSI | |
| 1622-0 | Upper respiratory tract infection, pharyngitis, laryngitis, epiglottitis | |
| 1623-8 | Arterial or venous infection | |
| 1624-6 | Vaginal cuff infection | |
| 1625-3 | Symptomatic UTI (SUTI) | |
| 1626-1 | PNU1 | |
| 1631-1 | PNU2 | |
| 1632-9 | PNU3 | |
| 1671-7 | Bronchitis, tracheitis | |
| 1672-5 | Burn | |
| 1673-3 | Decubitus ulcer | |
| 1674-1 | Disseminated infection | |
| 1675-8 | Infant pustulosis | |
| 1676-6 | Newborn circumcision | |
| 1677-4 | Soft tissue, muscle, lymph node, or salivary gland | |
| 2402-6 | Asymptomatic Bacteremic UTI (ABUTI) | |
| 1970-3 | Periprosthetic Joint Infection | |
| 1640-2 | Organ/space | |
| 2343-4 | VAC - Ventilator-Associated Condition | |
| 2344-2 | IVAC - Infection-related Ventilator-Associated Complication | |
| 2345-0 | PVAP - Possible Ventilator-Associated Pneumonia | |
| 3066-8 | Neonatal Laboratory Confirmed Bloodstream Infection (NLCBI 1) | |
| 3067-6 | Neonatal Laboratory Confirmed Bloodstream Infection (NLCBI 2) | |
| 3068-4 | Neonatal Laboratory Confirmed Meningitis (NLCM 1) | |
| 3069-2 | Neonatal Laboratory Confirmed Meningitis (NLCM 2) | |
| 2526-2 | Micafungin Susc Islt | |
| 1206-2 | Float | |
| 1792-1 | MDRO Infection | |
| 1795-4 | CDAD Infection | |
| 1796-2 | Infection of the Reproduction System | |
| 1797-0 | Infection of the Ear/Eyes/Nose or Throat | |
| 1798-8 | Bone or Joint Infection | |
| 2340-3 | Ventilator Associated Event | |
| 1901-8 | Not cultured | |
| 1964-6 | Allo-SCT with Grade > 3 GI GVHD | |
| 1965-3 | Allo- SCT with diarrhea | |
| 1966-1 | Positive culture from greater than or equal to two separate tissue or fluid samples from affected joint | |
| 1902-6 | Blood culture not done or no organisms detected in blood | |
| 1929-9 | >=2 positive cultures with >=10^2 col/ml of same uropathogen from nonvoided specimen | |
| 1931-5 | >=2 positive urine cultures with >=10^5 col/cc with no more than 2 organisms | |
| 1923-3 | >=5% BAL cells w/bacteria | |
| 1942-2 | >15 colonies cultured from IV cannula tip using semiquantitative culture method | |
| 1927-3 | 1 positive culture with >=10^5 col/cc with no more than 2 organisms | |
| 2403-4 | 1 positive culture with >=103 CFU/ml and <105 CFU/ml with no more than 2 species of microorganisms | |
| 1930-7 | 1 positive culture with <=10^5 col/ml of a single uropathogen in patient being treated with an effective antimicrobial agent for UTI | |
| 1938-0 | 4-fold rise in L. pneumophila antibody titer | |
| 1935-6 | 4-fold rise in paired sera for pathogen | |
| 1944-8 | Common skin contaminant from >2 blood cultures (see NHSN protocol for definition of skin contaminant) | |
| 1937-2 | L pneumophila serogroup 1 antigens in urine | |
| 1939-8 | Matching positive blood and sputum cultures w/ Candida spp | |
| 1941-4 | Other positive laboratory tests | |
| 1955-4 | Positive blood culture | |
| 1952-1 | Positive culture | |
| 1953-9 | Positive culture of pathogen | |
| 1954-7 | Positive culture of skin contaminant | |
| 1948-9 | Positive culture of virus or Chlamydia | |
| 1936-4 | Positive culture or micro-IF of Legionella spp | |
| 1934-9 | Positive detection of viral antigen or antibody | |
| 1928-1 | Positive dipstick for leukocyte esterase or nitrate | |
| 1943-0 | Positive Gram stain when culture is negative or not done | |
| 1950-5 | Positive micro-IF test for Chlamydia | |
| 1949-7 | Positive PCR for Chlamydia or Mycoplasma | |
| 1946-3 | Positive pleural fluid culture | |
| 1947-1 | Positive quantitative culture from LRT specimen | |
| 1924-0 | Radiographic evidence of infection | |
| 1951-3 | Recognized pathogen from one or more blood cultures | |
| 1957-0 | Acute onset of diarrhea (liquid stools for > 12 hours) | |
| 1959-6 | Apnea, tachycardia, nasal flaring with retraction of chest wall or grunting | |
| 2513-0 | Bilateral infiltrates on chest x-ray | |
| 1908-3 | Bradycardia or tachycardia | |
| 2516-3 | Criterion not otherwise specified | |
| 2514-8 | Diffuse hemorrhage | |
| 1940-6 | Fungi or Pneumocytis carinii from LRT specimen | |
| 1956-2 | Histopathologic exam w/ abscess formation, positive quantitative culture of lung parenchyma, or positive quantitative culture of lung parenchyma, or lung parenchyma invasion by fungal hyphae | |
| 1967-9 | Incision deliberately opened or otherwise drained by physician | |
| 1920-8 | Localized swelling | |
| 2515-5 | Nausea/vomiting | |
| 1903-4 | New onset/change in sputum | |
| 1907-5 | New onset/change in sputum, increased secretions or increased suctioning | |
| 1904-2 | New onset/worsening cough, dyspnea, tachypnea | |
| 1925-7 | New or progressive and persistent infiltrate | |
| 1905-9 | Other evidence of infection found on direct exam, during surgery, or by diagnostic tests | |
| 1906-7 | Other signs and symptoms | |
| 2517-1 | Pain not otherwise specified | |
| 1960-4 | Pain or tenderness | |
| 1909-1 | Persistent microscopic or gross blood in stools | |
| 1963-8 | Physician diagnosis of this event type | |
| 1962-0 | Physician institutes appropriate antimicrobial therapy | |
| 1926-5 | Pneumatoceles (in <=1 y.o.) | |
| 1921-6 | Rales or bronchial breath sounds | |
| 2518-9 | Rash not otherwise specified | |
| 1968-7 | Sinus tract | |
| 1922-4 | Wheezing, rales or rhonchi | |
| 1958-8 | Worsening gas exchange | |
| 2320-0 | Wound (not related to vascular access) with pus or increased redness | |
| 1971-1 | Acute pain, swelling, or tenderness of testes, epididymis, or prostate | |
| 1972-9 | Urine not tested for WBC | |
| 2351-1 | Criterion 1 - Positive culture from Endotracheal aspirate without purulent respiratory secretions | |
| 2352-5 | Criterion 1 - Positive culture from Bronchoalveolar lavage without purulent respiratory secretions | |
| 2353-3 | Criterion 1 - Positive culture from Lung tissue without purulent respiratory secretions | |
| 2354-1 | Criterion 1 - Positive culture from Protected specimen brush without purulent respiratory secretions | |
| 2355-9 | Criterion 2 - Purulent respiratory secretions plus organism(s) | |
| 2356-4 | Criterion 2 - Organisms from Sputum cluture with purulent respiratory secretions | |
| 2357-2 | Criterion 2 - Organisms from Endotracheal aspirate culture with purulent respiratory secretions | |
| 2358-0 | Criterion 2 - Organisms from Bronchoalveolar lavage culture with purulent respiratory secretions | |
| 2359-8 | Criterion 2 - Organisms from Lung tissue culture with purulent respiratory secretions | |
| 2360-1 | Criterion 2 - Organisms from Protected specimen brush culture with purulent respiratory secretions | |
| 2361-0 | Criterion 3 - Positive test Organism(s) identified from pleural fluid | |
| 2362-4 | Criterion 3 - Positive test for Lung histopathology | |
| 2363-2 | Criterion 3 - Positive Diagnostic test for Legionella species | |
| 2364-0 | Criterion 3 - Positive Diagnostic test for selected viral pathogens | |
| 2346-5 | Daily min FiO2 increase > 0.20 (20 points) for > 2 days | |
| 2347-3 | Daily min PEEP increase > 3 cm H2O for > 2 days | |
| 2348-1 | Temperature > 380 C or < 360 C | |
| 2349-9 | White blood cell count >= 12,000 or <= 4,000 cells/mm3 | |
| 2350-2 | A new antimicrobial agent(s) is started, and is continued for >= 4 days | |
| 3070-0 | Common commensal from blood specimen(s) and antibiotics for greater than or equal to 5 days | |
| 3072-6 | Common commensal from cerebrospinal fluid specimen and antibiotics for greater than or equal to 5 days | |
| 3071-8 | Recognized pathogen from cerebrospinal fluid specimen | |
| 2126-1 | Limb amputation | |
| 2108-9 | Appendix surgery | |
| 2102-2 | Shunt for dialysis | |
| 2109-7 | Bile duct, liver or pancreatic surgery | |
| 2110-5 | Breast surgery | |
| 2114-7 | Carotid endarterectomy | |
| 2119-6 | Gallbladder surgery | |
| 2116-2 | Colon surgery | |
| 2115-4 | Cesarean section | |
| 2137-8 | Spinal fusion | |
| 2129-5 | Open reduction of fracture | |
| 2120-4 | Gastric surgery | |
| 2106-3 | Herniorrhaphy | |
| 2101-4 | Total hip replacement | |
| 2107-1 | Abdominal hysterectomy | |
| 2124-6 | Knee prosthesis | |
| 2125-3 | Laminectomy | |
| 2128-7 | Neck surgery | |
| 2122-0 | Kidney surgery | |
| 2130-3 | Ovarian surgery | |
| 2131-1 | Pacemaker surgery | |
| 2133-7 | Prostate surgery | |
| 2132-9 | Peripheral Vascular Bypass Surgery | |
| 2134-5 | Rectal surgery | |
| 2136-0 | Small bowel surgery | |
| 2138-6 | Spleen surgery | |
| 2139-4 | Thoracic surgery | |
| 2140-2 | Thyroid and/or parathyroid surgery | |
| 2141-0 | Vaginal hysterectomy | |
| 2142-8 | Ventricular shunt | |
| 2118-8 | Abdominal surgery | |
| 1311-0 | No location change | |
| 1645-1 | Hospital transer/admission | |
| 1646-9 | Wrong site | |
| 1647-7 | Wrong side | |
| 1648-5 | Wrong patient | |
| 1649-3 | Wrong implant | |
| 1657-6 | Summary data reporting outpatient procedure component events at a facility | |
| 1890-3 | Number of Total Facility Encounters (for outpatient location) | |
| 1340-9 | No Same Day Outcome Measures (events) reported this month | |
| 1006-6 | central line including umbilical catheter | |
| 1309-4 | Active SSI Detection Method | |
| 1312-8 | Passive SSI Detection Method | |
| 1321-9 | Review of patient's medical record | |
| 1322-7 | Post-discharge surgeon survey | |
| 1323-5 | Post-discharge patient letter | |
| 1324-3 | Post-discharge patient phone call | |
| 1325-0 | Cooperative infection prevention process between facilities | |
| 1326-8 | Patient/caregiver contacts facility to report | |
| 1327-6 | Patient returns to outpatient facility for follow-up | |
| 1328-4 | Surgeon contacts facility to report | |
| 1329-2 | Report from another facility (inpatient, health department, emergency department, etc.) | |
| 1879-6 | Summary data reporting catheter and ventilator use in a ICU/Other | |
| 1880-4 | Summary data reporting catheter and ventilator use in a SCA | |
| 1881-2 | Summary data reporting catheter and ventilator use in a NICU | |
| 1884-6 | Summary data reporting Active Surveillance Testing | |
| 2316-8 | Summary data reporting vascular access types for chronic hemodialysis patients | |
| 1887-9 | Summary data reporting Antimicrobial Usage | |
| 2410-9 | Summary data reporting antimicrobial resistance patterns at a facility | |
| 2543-7 | Hemovigilance Module - Monthly Reporting Denominator | |
