ObservationMethod - HL7 Terminology (THO) v7.1.0

HL7 Terminology (THO), published by HL7 International - Vocabulary Work Group. This guide is not an authorized publication; it is the continuous build for version 7.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/UTG/ and changes regularly. See the Directory of published versions

CodeSystem: ObservationMethod

Official URL: http://terminology.hl7.org/CodeSystem/v3-ObservationMethod	Version: 4.0.0	Highlight text changes?
	Responsible: Health Level Seven International	Computable Name: ObservationMethod
Other Identifiers: OID:2.16.840.1.113883.5.84
Copyright/Legal: This material derives from the HL7 Terminology THO. THO is copyright ©1989+ Health Level Seven International and is made available under the CC0 designation. For more licensing information see: https://terminology.hl7.org/license.html

A code that provides additional detail about the means or technique used to ascertain the observation.

Examples: Blood pressure measurement method: arterial puncture vs. sphygmomanometer (Riva-Rocci), sitting vs. supine position, etc.

OpenIssue: Description copied from Concept Domain of same name. Must be verified. Note that the Domain has a full discussion about use of the attribute and constraining that is not appropriate for the code system description. Needs to be improved.

This Code system is referenced in the definition of the following value sets:

Language: en

Properties

This code system defines the following properties for its concepts

Name

Code

URI

Type

Description

Status

status

http://hl7.org/fhir/concept-properties#status

code

Designation of a concept's state. Normally is not populated unless the state is retired..

howApplies

http://terminology.hl7.org/CodeSystem/utg-concept-properties#v3-how-applies

string

Haven't a clue!

Not Selectable

notSelectable

http://hl7.org/fhir/concept-properties#notSelectable

boolean

Indicates that the code is abstract - only intended to be used as a selector for other concepts

Concepts

This case-sensitive code system http://terminology.hl7.org/CodeSystem/v3-ObservationMethod defines the following codes in a Is-A hierarchy:

Lvl	Code	Display	Definition	Status	howApplies	Not Selectable
1	_DecisionObservationMethod	DecisionObservationMethod	Provides codes for decision methods, initially for assessing the causality of events.	active		true
2	ALGM	algorithm	Reaching a decision through the application of an algorithm designed to weigh the different factors involved.	active
3	BYCL	bayesian calculation	Reaching a decision through the use of Bayesian statistical analysis.	active
2	GINT	global introspection	Reaching a decision by consideration of the totality of factors involved in order to reach a judgement.	active
1	_GeneticObservationMethod	GeneticObservationMethod	A code that provides additional detail about the means or technique used to ascertain the genetic analysis. Example, PCR, Micro Array	active		true
2	PCR	PCR	Description: Polymerase Chain Reaction	active
1	_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.	active		true
2	AVERAGE	average	Average of non-null values in the referenced set of values	active
2	COUNT	count	Count of non-null values in the referenced set of values	active
2	MAX	maxima	Largest of all non-null values in the referenced set of values.	active
2	MEDIAN	median	The median of all non-null values in the referenced set of values.	active
2	MIN	minima	Smallest of all non-null values in the referenced set of values.	active
2	MODE	mode	The most common value of all non-null values in the referenced set of values.	active
2	STDEV.P	population standard deviation	Standard Deviation of the values in the referenced set of values, computed over the population.	active
2	STDEV.S	sample standard deviation	Standard Deviation of the values in the referenced set of values, computed over a sample of the population.	active
2	SUM	sum	Sum of non-null values in the referenced set of values	active
2	VARIANCE.P	population variance	Variance of the values in the referenced set of values, computed over the population.	active
2	VARIANCE.S	sample variance	Variance of the values in the referenced set of values, computed over a sample of the population.	active
1	_VerificationMethod	VerificationMethod		active		true
2	VDOC	document verification	Verification by means of document. Example: Fax, letter, attachment to e-mail.	active
2	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.	active
2	VTOKEN	electronic token verification	Verification by means of electronic token. Example: smartcard, magnetic swipe card, RFID device.	active
2	VVOICE	voice-based verification	Verification by means of voice. Example: By speaking with or calling the Coverage Administrator or Covered Party	active
1	0001	Complement fixation	Complement fixation	active
1	0002	Computed axial tomography	Computed axial tomography	active
1	0003	HLAR agar test	Susceptibility, High Level Aminoglycoside Resistance agar test	active
1	0004	Macroscopic observation	Visual, Macroscopic observation	active
1	0005	Magnetic resonance	Computed, Magnetic resonance	active
1	0006	Morphometry	Computed, Morphometry	active
1	0007	Positron emission tomography	Computed, Positron emission tomography	active
1	0008	SAMHSA confirmation	SAMHSA drug assay confirmation	active
1	0009	SAMHSA screening	SAMHSA drug assay screening	active
1	0010	Serum Neutralization	Serum Neutralization	active
1	0011	Titration	Titration	active
1	0012	Ultrasound	Ultrasound	active
1	0013	X-ray crystallography	X-ray crystallography	active
1	0014	Agglutination	Agglutination	active
1	0015	Buffered acidified plate agglutination	Agglutination, Buffered acidified plate	active
1	0016	Card agglutination	Agglutination, Card	active
1	0017	Hemagglutination	Agglutination, Hemagglutination	active
1	0018	Hemagglutination inhibition	Agglutination, Hemagglutination inhibition	active
1	0019	Latex agglutination	Agglutination, Latex	active
1	0020	Plate agglutination	Agglutination, Plate	active
1	0021	Rapid agglutination	Agglutination, Rapid Plate	active
1	0022	RBC agglutination	Agglutination, RBC	active
1	0023	Rivanol agglutination	Agglutination, Rivanol	active
1	0024	Tube agglutination	Agglutination, Tube	active
1	0025	Bioassay	Bioassay	active
1	0026	Animal Inoculation	Bioassay, Animal Inoculation	active
1	0027	Cytotoxicity	Bioassay, Cytotoxicity	active
1	0028	Embryo infective dose 50	Bioassay, Embryo Infective Dose 50	active
1	0029	Embryo lethal dose 50	Bioassay, Embryo Lethal Dose 50	active
1	0030	Mouse intercerebral inoculation	Bioassay, Mouse intercerebral inoculation	active
1	0031	Bioassay, qualitative	Bioassay, qualitative	active
1	0032	Bioassay, quantitative	Bioassay, quantitative	active
1	0033	Chemical method	Chemical	active
1	0034	Differential light absorption chemical test	Chemical, Differential light absorption	active
1	0035	Dipstick	Chemical, Dipstick	active
1	0036	Dipstick colorimetric laboratory test	Chemical, Dipstick colorimetric laboratory test	active
1	0037	Test strip	Chemical, Test strip	active
1	0038	Chromatography	Chromatography	active
1	0039	Affinity chromatography	Chromatography, Affinity	active
1	0040	Gas liquid chromatography	Chromatography, Gas liquid	active
1	0041	High performance liquid chromatography	Chromatography, High performance liquid	active
1	0042	Liquid Chromatography	Chromatography, Liquid	active
1	0043	Protein A affinity chromatography	Chromatography, Protein A affinity	active
1	0044	Coagulation	Coagulation	active
1	0045	Tilt tube coagulation time	Coagulation, Tilt tube	active
1	0046	Tilt tube reptilase induced coagulation	Coagulation, Tilt tube reptilase induced	active
1	0047	Automated count	Count, Automated	active
1	0048	Manual cell count	Count, Manual	active
1	0049	Platelet count, Rees-Ecker	Count, Platelet, Rees-Ecker	active
1	0050	Aerobic Culture	Culture, Aerobic	active
1	0051	Anaerobic Culture	Culture, Anaerobic	active
1	0052	Chicken embryo culture	Culture, Chicken Embryo	active
1	0053	Delayed secondary enrichment	Culture, Delayed secondary enrichment	active
1	0054	Microaerophilic Culture	Culture, Microaerophilic	active
1	0055	Quantitative microbial culture, cup	Culture, Quantitative microbial, cup	active
1	0056	Quantitative microbial culture, droplet	Culture, Quantitative microbial, droplet	active
1	0057	Quantitative microbial culture, filter paper	Culture, Quantitative microbial, filter paper	active
1	0058	Quantitative microbial culture, pad culture	Culture, Quantitative microbial, pad	active
1	0059	Quantitative microbial culture, pour plate	Culture, Quantitative microbial, pour plate	active
1	0060	Quantitative microbial culture, surface streak	Culture, Quantitative microbial, surface streak	active
1	0061	Somatic Cell culture	Culture, Somatic Cell	active
1	0062	Agar diffusion	Diffusion, Agar	active
1	0063	Agar Gel Immunodiffusion	Diffusion, Agar Gel Immunodiffusion	active
1	0064	Electrophoresis	Electrophoresis	active
1	0065	Agaorse gel electrophoresis	Electrophoresis, Agaorse gel	active
1	0066	Electrophoresis, citrate agar	Electrophoresis, citrate agar	active
1	0067	Immunoelectrophoresis	Electrophoresis, Immuno	active
1	0068	Polyacrylamide gel electrophoresis	Electrophoresis, Polyacrylamide gel	active
1	0069	Starch gel electrophoresis	Electrophoresis, Starch gel	active
1	0070	ELISA	ELISA	active
1	0071	ELISA, antigen capture	ELISA, antigen capture	active
1	0072	ELISA, avidin biotin peroxidase complex	ELISA, avidin biotin peroxidase complex	active
1	0073	Kinetic ELISA	ELISA, Kinetic	active
1	0074	ELISA, peroxidase-antiperoxidase	ELISA, peroxidase-antiperoxidase	active
1	0075	API 20 Strep	Identification, API 20 Strep	active	bioMerieux - streptococcis and enterococci
1	0076	API 20A	Identification, API 20A	active	bioMerieux - 24hr anaerobic ID
1	0077	API 20C AUX	Identification, API 20C AUX	active	bioMerieux - identification of yeast
1	0078	API 20E	Identification, API 20E	active	bioMerieux -identification of Enterobacteriacae; non-fermenting GNB
1	0079	API 20NE	Identification, API 20NE	active	bioMerieux - gram negative non-Enterobacteriaeciae
1	0080	API 50 CH	Identification, API 50 CH	active	bioMerieux
1	0081	API An-IDENT	Identification, API An-IDENT	active	bioMerieux
1	0082	API Coryne	Identification, API Coryne	active	bioMerieux
1	0083	API Rapid 20E	Identification, API Rapid 20E	active	bioMerieux - 4 hour identification of Enterobacteriaciae
1	0084	API Staph	Identification, API Staph	active	bioMerieux
1	0085	API ZYM	Identification, API ZYM	active	bioMerieux
1	0086	Bacterial identification	Identification, Bacterial	active
1	0087	mini VIDAS	Identification, mini VIDAS	active	bioMerieux
1	0088	Phage susceptibility typing	Identification, Phage susceptibility typing	active
1	0089	Quad-FERM+	Identification, Quad-FERM+	active	bioMerieux - 2-hour identification of Neisseria
1	0090	RAPIDEC Staph	Identification, RAPIDEC Staph	active	bioMerieux
1	0091	Staphaurex	Identification, Staphaurex	active
1	0092	VIDAS	Identification, VIDAS	active	bioMerieux
1	0093	Vitek	Identification, Vitek	active	bioMerieux
1	0094	VITEK 2	Identification, VITEK 2	active	bioMerieux
1	0095	Immune stain	Immune stain	active
1	0096	Immunofluorescent antibody, direct	Immune stain, Immunofluorescent antibody, direct	active
1	0097	Immunofluorescent antibody, indirect	Immune stain, Immunofluorescent antibody, indirect	active
1	0098	Immunoperoxidase, Avidin-Biotin Complex	Immune stain, Immunoperoxidase, Avidin-Biotin Complex	active
1	0099	Immunoperoxidase, Peroxidase anti-peroxidase complex	Immune stain, Immunoperoxidase, Peroxidase anti-peroxidase complex	active
1	0100	Immunoperoxidase, Protein A-peroxidase complex	Immune stain, Immunoperoxidase, Protein A-peroxidase complex	active
1	0101	Immunoassay	Immunoassay	active
1	0102	Immunoassay, qualitative, multiple step	Immunoassay, qualitative, multiple step	active
1	0103	Immunoassay, qualitative, single step	Immunoassay, qualitative, single step	active
1	0104	Radioimmunoassay	Immunoassay, Radioimmunoassay	active
1	0105	Immunoassay, semi-quantitative, multiple step	Immunoassay, semi-quantitative, multiple step	active
1	0106	Immunoassay, semi-quantitative, single step	Immunoassay, semi-quantitative, single step	active
1	0107	Microscopy	Microscopy	active
1	0108	Darkfield microscopy	Microscopy, Darkfield	active
1	0109	Electron microscopy	Microscopy, Electron	active
1	0110	Electron microscopy tomography	Microscopy, Electron microscopy tomography	active
1	0111	Electron microscopy, negative stain	Microscopy, Electron, negative stain	active
1	0112	Electron microscopy, thick section	Microscopy, Electron, thick section transmission	active
1	0113	Electron microscopy, thin section	Microscopy, Electron, thin section transmission	active
1	0114	Microscopy, Light	Microscopy, Light	active
1	0115	Polarizing light microscopy	Microscopy, Polarized light	active
1	0116	Scanning electron microscopy	Microscopy, Scanning electron	active
1	0117	Transmission electron microscopy	Microscopy, Transmission electron	active
1	0118	Transparent tape direct examination	Microscopy, Transparent tape direct examination	active
1	0119	3 Self-Sustaining Sequence Replication	Molecular, 3 Self-Sustaining Sequence Replication	active
1	0120	Branched Chain DNA	Molecular, Branched Chain DNA	active
1	0121	Hybridization Protection Assay	Molecular, Hybridization Protection Assay	active
1	0122	Immune blot	Molecular, Immune blot	active
1	0123	In-situ hybridization	Molecular, In-situ hybridization	active
1	0124	Ligase Chain Reaction	Molecular, Ligase Chain Reaction	active
1	0125	Ligation Activated Transcription	Molecular, Ligation Activated Transcription	active
1	0126	Nucleic Acid Probe	Molecular, Nucleic Acid Probe	active
1	0128	Nucleic acid probe with amplification	Molecular, Nucleic acid probe with amplification Rationale: Duplicate of code 0126. Use code 0126 instead.	active
1	0129	Nucleic acid probe with target amplification	Molecular, Nucleic acid probe with target amplification	active
1	0130	Nucleic acid reverse transcription	Molecular, Nucleic acid reverse transcription	active
1	0131	Nucleic Acid Sequence Based Analysis	Molecular, Nucleic Acid Sequence Based Analysis	active
1	0132	Polymerase chain reaction	Molecular, Polymerase chain reaction	active
1	0133	Q-Beta Replicase or probe amplification category method	Molecular, Q-Beta Replicase or probe amplification category method	active
1	0134	Restriction Fragment Length Polymorphism	Molecular, Restriction Fragment Length Polymorphism	active
1	0135	Southern Blot	Molecular, Southern Blot	active
1	0136	Strand Displacement Amplification	Molecular, Strand Displacement Amplification	active
1	0137	Transcription Mediated Amplification	Molecular, Transcription Mediated Amplification	active
1	0138	Western Blot	Molecular, Western Blot	active
1	0139	Flocculation	Precipitation, Flocculation	active
1	0140	Immune precipitation	Precipitation, Immune precipitation	active
1	0141	Milk ring test	Precipitation, Milk ring test	active
1	0142	Precipitin	Precipitation, Precipitin	active
1	0143	Acid fast stain	Stain, Acid fast	active
1	0144	Acid fast stain, fluorochrome	Stain, Acid fast, fluorochrome	active
1	0145	Acid fast stain, Kinyoun's cold carbolfuchsin	Stain, Acid fast, Kinyoun's cold carbolfuchsin	active
1	0146	Acid fast stain, Ziehl-Neelsen	Stain, Acid fast, Ziehl-Neelsen	active
1	0147	Acid phosphatase stain	Stain, Acid phosphatase	active
1	0148	Acridine orange stain	Stain, Acridine orange	active
1	0149	Active brilliant orange KH stain	Stain, Active brilliant orange KH	active
1	0150	Alazarin red S stain	Stain, Alazarin red S	active
1	0151	Alcian blue stain	Stain, Alcian blue	active
1	0152	Alcian blue with Periodic acid Schiff stain	Stain, Alcian blue with Periodic acid Schiff	active
1	0153	Argentaffin stain	Stain, Argentaffin	active
1	0154	Argentaffin silver stain	Stain, Argentaffin silver	active
1	0155	Azure-eosin stain	Stain, Azure-eosin	active
1	0156	Basic Fuschin stain	Stain, Basic Fuschin	active
1	0157	Bennhold stain	Stain, Bennhold	active
1	0158	Bennhold's Congo red stain	Stain, Bennhold's Congo red	active
1	0159	Bielschowsky stain	Stain, Bielschowsky	active
1	0160	Bielschowsky's silver stain	Stain, Bielschowsky's silver	active
1	0161	Bleach stain	Stain, Bleach	active
1	0162	Bodian stain	Stain, Bodian	active
1	0163	Brown-Brenn stain	Stain, Brown-Brenn	active
1	0164	Butyrate-esterase stain	Stain, Butyrate-esterase	active
1	0165	Calcofluor white fluorescent stain	Stain, Calcofluor white fluorescent	active
1	0166	Carbol-fuchsin stain	Stain, Carbol-fuchsin	active
1	0167	Carmine stain	Stain, Carmine	active
1	0168	Churukian-Schenk stain	Stain, Churukian-Schenk	active
1	0169	Congo red stain	Stain, Congo red	active
1	0170	Cresyl echt violet stain	Stain, Cresyl echt violet	active
1	0171	Crystal violet stain	Stain, Crystal violet	active
1	0172	De Galantha stain	Stain, De Galantha	active
1	0173	Dieterle silver impregnation stain	Stain, Dieterle silver impregnation	active
1	0174	Fite-Farco stain	Stain, Fite-Farco	active
1	0175	Fontana-Masson silver stain	Stain, Fontana-Masson silver	active
1	0176	Fouchet stain	Stain, Fouchet	active
1	0177	Gomori stain	Stain, Gomori	active
1	0178	Gomori methenamine silver stain	Stain, Gomori methenamine silver	active
1	0179	Gomori-Wheatly trichrome stain	Stain, Gomori-Wheatly trichrome	active
1	0180	Gridley stain	Stain, Gridley	active
1	0181	Grimelius silver stain	Stain, Grimelius silver	active
1	0182	Grocott stain	Stain, Grocott	active
1	0183	Grocott methenamine silver stain	Stain, Grocott methenamine silver	active
1	0184	Hale's colloidal ferric oxide stain	Stain, Hale's colloidal ferric oxide	active
1	0185	Hale's colloidal iron stain	Stain, Hale's colloidal iron	active
1	0186	Hansel stain	Stain, Hansel	active
1	0187	Harris regressive hematoxylin and eosin stain	Stain, Harris regressive hematoxylin and eosin	active
1	0188	Hematoxylin and eosin stain	Stain, Hematoxylin and eosin	active
1	0189	Highman stain	Stain, Highman	active
1	0190	Holzer stain	Stain, Holzer	active
1	0191	Iron hematoxylin stain	Stain, Iron hematoxylin	active
1	0192	Jones stain	Stain, Jones	active
1	0193	Jones methenamine silver stain	Stain, Jones methenamine silver	active
1	0194	Kossa stain	Stain, Kossa	active
1	0195	Lawson-Van Gieson stain	Stain, Lawson-Van Gieson	active
1	0196	Loeffler methylene blue stain	Stain, Loeffler methylene blue	active
1	0197	Luxol fast blue with cresyl violet stain	Stain, Luxol fast blue with cresyl violet	active
1	0198	Luxol fast blue with Periodic acid-Schiff stain	Stain, Luxol fast blue with Periodic acid-Schiff	active
1	0199	MacNeal's tetrachrome blood stain	Stain, MacNeal's tetrachrome blood	active
1	0200	Mallory-Heidenhain stain	Stain, Mallory-Heidenhain	active
1	0201	Masson trichrome stain	Stain, Masson trichrome	active
1	0202	Mayer mucicarmine stain	Stain, Mayer mucicarmine	active
1	0203	Mayers progressive hematoxylin and eosin stain	Stain, Mayers progressive hematoxylin and eosin	active
1	0204	May-Grunwald Giemsa stain	Stain, May-Grunwald Giemsa	active
1	0205	Methyl green stain	Stain, Methyl green	active
1	0206	Methyl green pyronin stain	Stain, Methyl green pyronin	active
1	0207	Modified Gomori-Wheatly trichrome stain	Stain, Modified Gomori-Wheatly trichrome	active
1	0208	Modified Masson trichrome stain	Stain, Modified Masson trichrome	active
1	0209	Modified trichrome stain	Stain, Modified trichrome	active
1	0210	Movat pentachrome stain	Stain, Movat pentachrome	active
1	0211	Mucicarmine stain	Stain, Mucicarmine	active
1	0212	Neutral red stain	Stain, Neutral red	active
1	0213	Night blue stain	Stain, Night blue	active
1	0214	Non-specific esterase stain	Stain, Non-specific esterase	active
1	0215	Oil red-O stain	Stain, Oil red-O	active
1	0216	Orcein stain	Stain, Orcein	active
1	0217	Perls' stain	Stain, Perls'	active
1	0218	Phosphotungstic acid-hematoxylin stain	Stain, Phosphotungstic acid-hematoxylin	active
1	0219	Potassium ferrocyanide stain	Stain, Potassium ferrocyanide	active
1	0220	Prussian blue stain	Stain, Prussian blue	active
1	0221	Putchler modified Bennhold stain	Stain, Putchler modified Bennhold	active
1	0222	Quinacrine fluorescent stain	Stain, Quinacrine fluorescent	active
1	0223	Reticulin stain	Stain, Reticulin	active
1	0224	Rhodamine stain	Stain, Rhodamine	active
1	0225	Safranin stain	Stain, Safranin	active
1	0226	Schmorl stain	Stain, Schmorl	active
1	0227	Seiver-Munger stain	Stain, Seiver-Munger	active
1	0228	Silver stain	Stain, Silver	active
1	0229	Specific esterase stain	Stain, Specific esterase	active
1	0230	Steiner silver stain	Stain, Steiner silver	active
1	0231	Sudan III stain	Stain, Sudan III	active
1	0232	Sudan IVI stain	Stain, Sudan IVI	active
1	0233	Sulfated alcian blue stain	Stain, Sulfated alcian blue	active
1	0234	Supravital stain	Stain, Supravital	active
1	0235	Thioflavine-S stain	Stain, Thioflavine-S	active
1	0236	Three micron Giemsa stain	Stain, Three micron Giemsa	active
1	0237	Vassar-Culling stain	Stain, Vassar-Culling	active
1	0238	Vital Stain	Stain, Vital	active
1	0239	von Kossa stain	Stain, von Kossa	active
1	0243	Minimum bactericidal concentration test, macrodilution	Susceptibility, Minimum bactericidal concentration, macrodilution	active
1	0244	Minimum bactericidal concentration test, microdilution	Susceptibility, Minimum bactericidal concentration, microdilution	active
1	0247	Turbidometric	Turbidometric	active
1	0248	Refractometric	Turbidometric, Refractometric	active
1	0249	Thin layer chromatography (TLC)	Chromatography, Thin Layer	active
1	0250	EMIT	Immunoassay, enzyme-multiplied technique (EMIT)	active
1	0251	Flow cytometry (FC)	Flow Cytometry	active
1	0252	Radial immunodiffusion (RID)	Radial Immunodiffusion	active
1	0253	Fluorescence polarization immunoassay (FPIA)	Immunoassay, Fluorescence Polarization	active
1	0254	Immunofixation electrophoresis (IFE)	Electrophoresis, Immunofixation	active
1	0255	Equilibrium dialysis	Dialysis, Direct Equilibrium	active
1	0256	Kleihauer-Betke acid elution	Acid Elution, Kleihauer-Betke Method	active
1	0257	Anti-complement immunofluorescence (ACIF)	Immunofluorescence, Anti-Complement	active
1	0258	GC/MS	Gas Chromatography/Mass Spectroscopy	active
1	0259	Nephelometry	Light Scatter, Nephelometry	active
1	0260	IgE immunoassay antibody	Immunoassay, IgE Antibody Test	active
1	0261	Lymphocyte Microcytotoxicity Assay	Lymphocyte Microcytotoxicity Assay	active
1	0262	Spectrophotometry	Spectrophotometry	active
1	0263	Atomic absorption spectrophotometry (AAS)	Spectrophotometry, Atomic Absorption	active
1	0264	Ion selective electrode (ISE)	Electrochemical, Ion Selective Electrode	active
1	0265	Gas chromatography (GC)	Chromatography, Gas	active
1	0266	Isoelectric focusing (IEF)	Isoelectric Focusing	active
1	0267	Immunochemiluminescence	Immunoassay, Chemiluminescent	active
1	0268	Microparticle enzyme immunoassay (MEIA)	Immunoassay, Microparticle Enzyme	active
1	0269	ICP/MS	Inductively-Coupled Plasma/Mass Spectrometry	active
1	0270	Immunoradiometric assay (IRMA)	Immunoassay, Immunoradiometric Assay	active
1	0271	Photo optical clot detection	Coagulation, Photo Optical Clot Detection	active
1	0280	Susceptibility Testing	Test methods designed to determine a microorganismaTMs susceptibility to being killed by an antibiotic.	active
2	0240	Antibiotic sensitivity, disk	Susceptibility, Antibiotic sensitivity, disk	active
2	0241	BACTEC susceptibility test	Susceptibility, BACTEC susceptibility test	active
2	0242	Disk dilution	Susceptibility, Disk dilution	active
2	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.	active
3	0245	Minimum Inhibitory Concentration, macrodilution	Susceptibility, Minimum Inhibitory concentration, macrodilution	active
3	0246	Minimum Inhibitory Concentration, microdilution	Susceptibility, Minimum Inhibitory concentration, microdilution	active
2	0273	Viral Genotype Susceptibility		active
2	0274	Viral Phenotype Susceptibility		active
2	0275	Gradient Strip		active
2	0275a	Minimum Lethal Concentration (MLC)		active
2	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.	active
2	0277	Serum bactericidal titer		active
2	0278	Agar screen		active
2	0279	Disk induction		active
1	_AllergyTestObservationMethod	allergy test observation	Description:Provides additional methodology information not present in the associated AllergyTestCode term.	retired		true
1	_CommonClinicalObservationMethod	common clinical observation	Description:Used in a patient care message to value simple clinical (non-lab) observation methods, such as found in SOAP (subjective, objective, assessment, plan) progress notes: subjective section (used for history from patient and other informants); objective section (used for physical exam, lab, and other common results), and assessment section (used for the clinicians assessment of the implications of subjective and objective sections).	retired		true
1	0127	Nucleic acid probe	Molecular, Nucleic acid probe	retired