• Include these codes as defined in http://terminology.hl7.org/CodeSystem/v3-ObservationMethod version 📍2018-08-12

  Code	Display	Definition
  0001	Complement fixation	Complement fixation
  0002	Computed axial tomography	Computed axial tomography
  0003	HLAR agar test	Susceptibility, High Level Aminoglycoside Resistance agar test
  0004	Macroscopic observation	Visual, Macroscopic observation
  0005	Magnetic resonance	Computed, Magnetic resonance
  0006	Morphometry	Computed, Morphometry
  0007	Positron emission tomography	Computed, Positron emission tomography
  0008	SAMHSA confirmation	SAMHSA drug assay confirmation
  0009	SAMHSA screening	SAMHSA drug assay screening
  0010	Serum Neutralization	Serum Neutralization
  0011	Titration	Titration
  0012	Ultrasound	Ultrasound
  0013	X-ray crystallography	X-ray crystallography
  0014	Agglutination	Agglutination
  0015	Buffered acidified plate agglutination	Agglutination, Buffered acidified plate
  0016	Card agglutination	Agglutination, Card
  0017	Hemagglutination	Agglutination, Hemagglutination
  0018	Hemagglutination inhibition	Agglutination, Hemagglutination inhibition
  0019	Latex agglutination	Agglutination, Latex
  0020	Plate agglutination	Agglutination, Plate
  0021	Rapid agglutination	Agglutination, Rapid Plate
  0022	RBC agglutination	Agglutination, RBC
  0023	Rivanol agglutination	Agglutination, Rivanol
  0024	Tube agglutination	Agglutination, Tube
  0025	Bioassay	Bioassay
  0026	Animal Inoculation	Bioassay, Animal Inoculation
  0027	Cytotoxicity	Bioassay, Cytotoxicity
  0028	Embryo infective dose 50	Bioassay, Embryo Infective Dose 50
  0029	Embryo lethal dose 50	Bioassay, Embryo Lethal Dose 50
  0030	Mouse intercerebral inoculation	Bioassay, Mouse intercerebral inoculation
  0031	Bioassay, qualitative	Bioassay, qualitative
  0032	Bioassay, quantitative	Bioassay, quantitative
  0033	Chemical method	Chemical
  0034	Differential light absorption chemical test	Chemical, Differential light absorption
  0035	Dipstick	Chemical, Dipstick
  0036	Dipstick colorimetric laboratory test	Chemical, Dipstick colorimetric laboratory test
  0037	Test strip	Chemical, Test strip
  0038	Chromatography	Chromatography
  0039	Affinity chromatography	Chromatography, Affinity
  0040	Gas liquid chromatography	Chromatography, Gas liquid
  0041	High performance liquid chromatography	Chromatography, High performance liquid
  0042	Liquid Chromatography	Chromatography, Liquid
  0043	Protein A affinity chromatography	Chromatography, Protein A affinity
  0044	Coagulation	Coagulation
  0045	Tilt tube coagulation time	Coagulation, Tilt tube
  0046	Tilt tube reptilase induced coagulation	Coagulation, Tilt tube reptilase induced
  0047	Automated count	Count, Automated
  0048	Manual cell count	Count, Manual
  0049	Platelet count, Rees-Ecker	Count, Platelet, Rees-Ecker
  0050	Aerobic Culture	Culture, Aerobic
  0051	Anaerobic Culture	Culture, Anaerobic
  0052	Chicken embryo culture	Culture, Chicken Embryo
  0053	Delayed secondary enrichment	Culture, Delayed secondary enrichment
  0054	Microaerophilic Culture	Culture, Microaerophilic
  0055	Quantitative microbial culture, cup	Culture, Quantitative microbial, cup
  0056	Quantitative microbial culture, droplet	Culture, Quantitative microbial, droplet
  0057	Quantitative microbial culture, filter paper	Culture, Quantitative microbial, filter paper
  0058	Quantitative microbial culture, pad culture	Culture, Quantitative microbial, pad
  0059	Quantitative microbial culture, pour plate	Culture, Quantitative microbial, pour plate
  0060	Quantitative microbial culture, surface streak	Culture, Quantitative microbial, surface streak
  0061	Somatic Cell culture	Culture, Somatic Cell
  0062	Agar diffusion	Diffusion, Agar
  0063	Agar Gel Immunodiffusion	Diffusion, Agar Gel Immunodiffusion
  0064	Electrophoresis	Electrophoresis
  0065	Agaorse gel electrophoresis	Electrophoresis, Agaorse gel
  0066	Electrophoresis, citrate agar	Electrophoresis, citrate agar
  0067	Immunoelectrophoresis	Electrophoresis, Immuno
  0068	Polyacrylamide gel electrophoresis	Electrophoresis, Polyacrylamide gel
  0069	Starch gel electrophoresis	Electrophoresis, Starch gel
  0070	ELISA	ELISA
  0071	ELISA, antigen capture	ELISA, antigen capture
  0072	ELISA, avidin biotin peroxidase complex	ELISA, avidin biotin peroxidase complex
  0073	Kinetic ELISA	ELISA, Kinetic
  0074	ELISA, peroxidase-antiperoxidase	ELISA, peroxidase-antiperoxidase
  0075	API 20 Strep	Identification, API 20 Strep
  0076	API 20A	Identification, API 20A
  0077	API 20C AUX	Identification, API 20C AUX
  0078	API 20E	Identification, API 20E
  0079	API 20NE	Identification, API 20NE
  0080	API 50 CH	Identification, API 50 CH
  0081	API An-IDENT	Identification, API An-IDENT
  0082	API Coryne	Identification, API Coryne
  0083	API Rapid 20E	Identification, API Rapid 20E
  0084	API Staph	Identification, API Staph
  0085	API ZYM	Identification, API ZYM
  0086	Bacterial identification	Identification, Bacterial
  0087	mini VIDAS	Identification, mini VIDAS
  0088	Phage susceptibility typing	Identification, Phage susceptibility typing
  0089	Quad-FERM+	Identification, Quad-FERM+
  0090	RAPIDEC Staph	Identification, RAPIDEC Staph
  0091	Staphaurex	Identification, Staphaurex
  0092	VIDAS	Identification, VIDAS
  0093	Vitek	Identification, Vitek
  0094	VITEK 2	Identification, VITEK 2
  0095	Immune stain	Immune stain
  0096	Immunofluorescent antibody, direct	Immune stain, Immunofluorescent antibody, direct
  0097	Immunofluorescent antibody, indirect	Immune stain, Immunofluorescent antibody, indirect
  0098	Immunoperoxidase, Avidin-Biotin Complex	Immune stain, Immunoperoxidase, Avidin-Biotin Complex
  0099	Immunoperoxidase, Peroxidase anti-peroxidase complex	Immune stain, Immunoperoxidase, Peroxidase anti-peroxidase complex
  0100	Immunoperoxidase, Protein A-peroxidase complex	Immune stain, Immunoperoxidase, Protein A-peroxidase complex
  0101	Immunoassay	Immunoassay
  0102	Immunoassay, qualitative, multiple step	Immunoassay, qualitative, multiple step
  0103	Immunoassay, qualitative, single step	Immunoassay, qualitative, single step
  0104	Radioimmunoassay	Immunoassay, Radioimmunoassay
  0105	Immunoassay, semi-quantitative, multiple step	Immunoassay, semi-quantitative, multiple step
  0106	Immunoassay, semi-quantitative, single step	Immunoassay, semi-quantitative, single step
  0107	Microscopy	Microscopy
  0108	Darkfield microscopy	Microscopy, Darkfield
  0109	Electron microscopy	Microscopy, Electron
  0110	Electron microscopy tomography	Microscopy, Electron microscopy tomography
  0111	Electron microscopy, negative stain	Microscopy, Electron, negative stain
  0112	Electron microscopy, thick section	Microscopy, Electron, thick section transmission
  0113	Electron microscopy, thin section	Microscopy, Electron, thin section transmission
  0114	Microscopy, Light	Microscopy, Light
  0115	Polarizing light microscopy	Microscopy, Polarized light
  0116	Scanning electron microscopy	Microscopy, Scanning electron
  0117	Transmission electron microscopy	Microscopy, Transmission electron
  0118	Transparent tape direct examination	Microscopy, Transparent tape direct examination
  0119	3 Self-Sustaining Sequence Replication	Molecular, 3 Self-Sustaining Sequence Replication
  0120	Branched Chain DNA	Molecular, Branched Chain DNA
  0121	Hybridization Protection Assay	Molecular, Hybridization Protection Assay
  0122	Immune blot	Molecular, Immune blot
  0123	In-situ hybridization	Molecular, In-situ hybridization
  0124	Ligase Chain Reaction	Molecular, Ligase Chain Reaction
  0125	Ligation Activated Transcription	Molecular, Ligation Activated Transcription
  0126	Nucleic Acid Probe	Molecular, Nucleic Acid Probe
  0127	Nucleic acid probe	Molecular, Nucleic acid probe
  0128	Nucleic acid probe with amplification	Molecular, Nucleic acid probe with amplification Rationale: Duplicate of code 0126. Use code 0126 instead.
  0129	Nucleic acid probe with target amplification	Molecular, Nucleic acid probe with target amplification
  0130	Nucleic acid reverse transcription	Molecular, Nucleic acid reverse transcription
  0131	Nucleic Acid Sequence Based Analysis	Molecular, Nucleic Acid Sequence Based Analysis
  0132	Polymerase chain reaction	Molecular, Polymerase chain reaction
  0133	Q-Beta Replicase or probe amplification category method	Molecular, Q-Beta Replicase or probe amplification category method
  0134	Restriction Fragment Length Polymorphism	Molecular, Restriction Fragment Length Polymorphism
  0135	Southern Blot	Molecular, Southern Blot
  0136	Strand Displacement Amplification	Molecular, Strand Displacement Amplification
  0137	Transcription Mediated Amplification	Molecular, Transcription Mediated Amplification
  0138	Western Blot	Molecular, Western Blot
  0139	Flocculation	Precipitation, Flocculation
  0140	Immune precipitation	Precipitation, Immune precipitation
  0141	Milk ring test	Precipitation, Milk ring test
  0142	Precipitin	Precipitation, Precipitin
  0143	Acid fast stain	Stain, Acid fast
  0144	Acid fast stain, fluorochrome	Stain, Acid fast, fluorochrome
  0145	Acid fast stain, Kinyoun's cold carbolfuchsin	Stain, Acid fast, Kinyoun's cold carbolfuchsin
  0146	Acid fast stain, Ziehl-Neelsen	Stain, Acid fast, Ziehl-Neelsen
  0147	Acid phosphatase stain	Stain, Acid phosphatase
  0148	Acridine orange stain	Stain, Acridine orange
  0149	Active brilliant orange KH stain	Stain, Active brilliant orange KH
  0150	Alazarin red S stain	Stain, Alazarin red S
  0151	Alcian blue stain	Stain, Alcian blue
  0152	Alcian blue with Periodic acid Schiff stain	Stain, Alcian blue with Periodic acid Schiff
  0153	Argentaffin stain	Stain, Argentaffin
  0154	Argentaffin silver stain	Stain, Argentaffin silver
  0155	Azure-eosin stain	Stain, Azure-eosin
  0156	Basic Fuschin stain	Stain, Basic Fuschin
  0157	Bennhold stain	Stain, Bennhold
  0158	Bennhold's Congo red stain	Stain, Bennhold's Congo red
  0159	Bielschowsky stain	Stain, Bielschowsky
  0160	Bielschowsky's silver stain	Stain, Bielschowsky's silver
  0161	Bleach stain	Stain, Bleach
  0162	Bodian stain	Stain, Bodian
  0163	Brown-Brenn stain	Stain, Brown-Brenn
  0164	Butyrate-esterase stain	Stain, Butyrate-esterase
  0165	Calcofluor white fluorescent stain	Stain, Calcofluor white fluorescent
  0166	Carbol-fuchsin stain	Stain, Carbol-fuchsin
  0167	Carmine stain	Stain, Carmine
  0168	Churukian-Schenk stain	Stain, Churukian-Schenk
  0169	Congo red stain	Stain, Congo red
  0170	Cresyl echt violet stain	Stain, Cresyl echt violet
  0171	Crystal violet stain	Stain, Crystal violet
  0172	De Galantha stain	Stain, De Galantha
  0173	Dieterle silver impregnation stain	Stain, Dieterle silver impregnation
  0174	Fite-Farco stain	Stain, Fite-Farco
  0175	Fontana-Masson silver stain	Stain, Fontana-Masson silver
  0176	Fouchet stain	Stain, Fouchet
  0177	Gomori stain	Stain, Gomori
  0178	Gomori methenamine silver stain	Stain, Gomori methenamine silver
  0179	Gomori-Wheatly trichrome stain	Stain, Gomori-Wheatly trichrome
  0180	Gridley stain	Stain, Gridley
  0181	Grimelius silver stain	Stain, Grimelius silver
  0182	Grocott stain	Stain, Grocott
  0183	Grocott methenamine silver stain	Stain, Grocott methenamine silver
  0184	Hale's colloidal ferric oxide stain	Stain, Hale's colloidal ferric oxide
  0185	Hale's colloidal iron stain	Stain, Hale's colloidal iron
  0186	Hansel stain	Stain, Hansel
  0187	Harris regressive hematoxylin and eosin stain	Stain, Harris regressive hematoxylin and eosin
  0188	Hematoxylin and eosin stain	Stain, Hematoxylin and eosin
  0189	Highman stain	Stain, Highman
  0190	Holzer stain	Stain, Holzer
  0191	Iron hematoxylin stain	Stain, Iron hematoxylin
  0192	Jones stain	Stain, Jones
  0193	Jones methenamine silver stain	Stain, Jones methenamine silver
  0194	Kossa stain	Stain, Kossa
  0195	Lawson-Van Gieson stain	Stain, Lawson-Van Gieson
  0196	Loeffler methylene blue stain	Stain, Loeffler methylene blue
  0197	Luxol fast blue with cresyl violet stain	Stain, Luxol fast blue with cresyl violet
  0198	Luxol fast blue with Periodic acid-Schiff stain	Stain, Luxol fast blue with Periodic acid-Schiff
  0199	MacNeal's tetrachrome blood stain	Stain, MacNeal's tetrachrome blood
  0200	Mallory-Heidenhain stain	Stain, Mallory-Heidenhain
  0201	Masson trichrome stain	Stain, Masson trichrome
  0202	Mayer mucicarmine stain	Stain, Mayer mucicarmine
  0203	Mayers progressive hematoxylin and eosin stain	Stain, Mayers progressive hematoxylin and eosin
  0204	May-Grunwald Giemsa stain	Stain, May-Grunwald Giemsa
  0205	Methyl green stain	Stain, Methyl green
  0206	Methyl green pyronin stain	Stain, Methyl green pyronin
  0207	Modified Gomori-Wheatly trichrome stain	Stain, Modified Gomori-Wheatly trichrome
  0208	Modified Masson trichrome stain	Stain, Modified Masson trichrome
  0209	Modified trichrome stain	Stain, Modified trichrome
  0210	Movat pentachrome stain	Stain, Movat pentachrome
  0211	Mucicarmine stain	Stain, Mucicarmine
  0212	Neutral red stain	Stain, Neutral red
  0213	Night blue stain	Stain, Night blue
  0214	Non-specific esterase stain	Stain, Non-specific esterase
  0215	Oil red-O stain	Stain, Oil red-O
  0216	Orcein stain	Stain, Orcein
  0217	Perls' stain	Stain, Perls'
  0218	Phosphotungstic acid-hematoxylin stain	Stain, Phosphotungstic acid-hematoxylin
  0219	Potassium ferrocyanide stain	Stain, Potassium ferrocyanide
  0220	Prussian blue stain	Stain, Prussian blue
  0221	Putchler modified Bennhold stain	Stain, Putchler modified Bennhold
  0222	Quinacrine fluorescent stain	Stain, Quinacrine fluorescent
  0223	Reticulin stain	Stain, Reticulin
  0224	Rhodamine stain	Stain, Rhodamine
  0225	Safranin stain	Stain, Safranin
  0226	Schmorl stain	Stain, Schmorl
  0227	Seiver-Munger stain	Stain, Seiver-Munger
  0228	Silver stain	Stain, Silver
  0229	Specific esterase stain	Stain, Specific esterase
  0230	Steiner silver stain	Stain, Steiner silver
  0231	Sudan III stain	Stain, Sudan III
  0232	Sudan IVI stain	Stain, Sudan IVI
  0233	Sulfated alcian blue stain	Stain, Sulfated alcian blue
  0234	Supravital stain	Stain, Supravital
  0235	Thioflavine-S stain	Stain, Thioflavine-S
  0236	Three micron Giemsa stain	Stain, Three micron Giemsa
  0237	Vassar-Culling stain	Stain, Vassar-Culling
  0238	Vital Stain	Stain, Vital
  0239	von Kossa stain	Stain, von Kossa
  0240	Antibiotic sensitivity, disk	Susceptibility, Antibiotic sensitivity, disk
  0241	BACTEC susceptibility test	Susceptibility, BACTEC susceptibility test
  0242	Disk dilution	Susceptibility, Disk dilution
  0243	Minimum bactericidal concentration test, macrodilution	Susceptibility, Minimum bactericidal concentration, macrodilution
  0244	Minimum bactericidal concentration test, microdilution	Susceptibility, Minimum bactericidal concentration, microdilution
  0245	Minimum Inhibitory Concentration, macrodilution	Susceptibility, Minimum Inhibitory concentration, macrodilution
  0246	Minimum Inhibitory Concentration, microdilution	Susceptibility, Minimum Inhibitory concentration, microdilution
  0247	Turbidometric	Turbidometric
  0248	Refractometric	Turbidometric, Refractometric
  0249	Thin layer chromatography (TLC)	Chromatography, Thin Layer
  0250	EMIT	Immunoassay, enzyme-multiplied technique (EMIT)
  0251	Flow cytometry (FC)	Flow Cytometry
  0252	Radial immunodiffusion (RID)	Radial Immunodiffusion
  0253	Fluorescence polarization immunoassay (FPIA)	Immunoassay, Fluorescence Polarization
  0254	Immunofixation electrophoresis (IFE)	Electrophoresis, Immunofixation
  0255	Equilibrium dialysis	Dialysis, Direct Equilibrium
  0256	Kleihauer-Betke acid elution	Acid Elution, Kleihauer-Betke Method
  0257	Anti-complement immunofluorescence (ACIF)	Immunofluorescence, Anti-Complement
  0258	GC/MS	Gas Chromatography/Mass Spectroscopy
  0259	Nephelometry	Light Scatter, Nephelometry
  0260	IgE immunoassay antibody	Immunoassay, IgE Antibody Test
  0261	Lymphocyte Microcytotoxicity Assay	Lymphocyte Microcytotoxicity Assay
  0262	Spectrophotometry	Spectrophotometry
  0263	Atomic absorption spectrophotometry (AAS)	Spectrophotometry, Atomic Absorption
  0264	Ion selective electrode (ISE)	Electrochemical, Ion Selective Electrode
  0265	Gas chromatography (GC)	Chromatography, Gas
  0266	Isoelectric focusing (IEF)	Isoelectric Focusing
  0267	Immunochemiluminescence	Immunoassay, Chemiluminescent
  0268	Microparticle enzyme immunoassay (MEIA)	Immunoassay, Microparticle Enzyme
  0269	ICP/MS	Inductively-Coupled Plasma/Mass Spectrometry
  0270	Immunoradiometric assay (IRMA)	Immunoassay, Immunoradiometric Assay
  0271	Photo optical clot detection	Coagulation, Photo Optical Clot Detection
  0272	Minimum Inhibitory Concentration	Testing to measure the minimum concentration of the antibacterial agent in a given culture medium below which bacterial growth is not inhibited.
  0273	Viral Genotype Susceptibility	Viral Genotype Susceptibility
  0274	Viral Phenotype Susceptibility	Viral Phenotype Susceptibility
  0275	Gradient Strip	Gradient Strip
  0275a	Minimum Lethal Concentration (MLC)	Minimum Lethal Concentration (MLC)
  0276	Slow Mycobacteria Susceptibility	Testing to measure the minimum concentration of the antibacterial agent in a given culture medium below which bacterial growth is not inhibited.
  0277	Serum bactericidal titer	Serum bactericidal titer
  0278	Agar screen	Agar screen
  0279	Disk induction	Disk induction
  0280	Susceptibility Testing	Test methods designed to determine a microorganismaTMs susceptibility to being killed by an antibiotic.
  ALGM	algorithm	Reaching a decision through the application of an algorithm designed to weigh the different factors involved.
  AVERAGE	average	Average of non-null values in the referenced set of values
  BYCL	bayesian calculation	Reaching a decision through the use of Bayesian statistical analysis.
  COUNT	count	Count of non-null values in the referenced set of values
  GINT	global introspection	Reaching a decision by consideration of the totality of factors involved in order to reach a judgement.
  MAX	maxima	Largest of all non-null values in the referenced set of values.
  MEDIAN	median	The median of all non-null values in the referenced set of values.
  MIN	minima	Smallest of all non-null values in the referenced set of values.
  MODE	mode	The most common value of all non-null values in the referenced set of values.
  PCR	PCR	Description: Polymerase Chain Reaction
  STDEV.P	population standard deviation	Standard Deviation of the values in the referenced set of values, computed over the population.
  STDEV.S	sample standard deviation	Standard Deviation of the values in the referenced set of values, computed over a sample of the population.
  SUM	sum	Sum of non-null values in the referenced set of values
  VARIANCE.P	population variance	Variance of the values in the referenced set of values, computed over the population.
  VARIANCE.S	sample variance	Variance of the values in the referenced set of values, computed over a sample of the population.
  VDOC	document verification	Verification by means of document. Example: Fax, letter, attachment to e-mail.
  VREG	registry verification	verification by means of a response to an electronic query Example: query message to a Covered Party registry application or Coverage Administrator.
  VTOKEN	electronic token verification	Verification by means of electronic token. Example: smartcard, magnetic swipe card, RFID device.
  VVOICE	voice-based verification	Verification by means of voice. Example: By speaking with or calling the Coverage Administrator or Covered Party
  _DecisionObservationMethod	DecisionObservationMethod	Provides codes for decision methods, initially for assessing the causality of events.
  _GeneticObservationMethod	GeneticObservationMethod	A code that provides additional detail about the means or technique used to ascertain the genetic analysis. Example, PCR, Micro Array
  _ObservationMethodAggregate	observation method aggregate	Provides additional detail about the aggregation methods used to compute the aggregated values for an observation. This is an abstract code.
  _VerificationMethod	VerificationMethod	VerificationMethod

This value set expansion contains 304 concepts.

                    Rationale: Duplicate of code 0126. Use code 0126 instead.

                       Example: Fax, letter, attachment to e-mail.

                       Example: query message to a Covered Party registry application or Coverage Administrator.

                       Example: smartcard, magnetic swipe card, RFID device.

                       Example: By speaking with or calling the Coverage Administrator or Covered Party