CYP2C19 gene allele [Genotype] in Blood or Tissue by Molecular genetics method Nominal 57132-3
LOINC Code
| LOINC code | 57132-3 | ||
|---|---|---|---|
| name | CYP2C19 gene allele [Genotype] in Blood or Tissue by Molecular genetics method Nominal | ||
| description | A patient's allelic genotype (e.g. *1/*12) at the CYP2C19 gene locus to determine CYP2C19 enzyme activity. Genotype results may be used to determine a patient's drug dose adjustment. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | CYP2C19 gene allele | ||
| property | Geno = Genotype | ||
| time | Pt = Point in time: To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements. | ||
| system | Bld/Tiss Bld = Whole blood Tiss = Tissue, unspecified | ||
| scale | Nom = Nominal: Nominal or categorical responses that do not have a natural ordering. (e.g., names of bacteria, reported as answers, categories of appearance that do not have a natural ordering, such as, yellow, clear, bloody. | ||
| method | Molgen = Molecular Genetics: General class of methods used to detect genetic attributes on a molecular basis including RFL, PCR and other methods. | ||
Additional Names | |||
| short name | CYP2C19 allele Geno Bld/T | ||
Basic Attributes | |||
| class | MOLPATH.PHARMG | ||
| type | 1 Laboratory | ||
| order vs. observation | Both | ||
Associated Observations | |||
LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations. | |||
Member of these Panels | |||
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History/Usage | |||
| test rank | 7198 of 2000 most commonly performed tests by labs in USA | ||
| first released | |||
| last updated | 2.73 | ||
| last change type | MIN - change to field other than name | ||
| change reason | Release 2.68: CLASS: Updated to MOLPATH.PHARMG, the more representative LOINC Class for this concept.; SYSTEM: Updated System from "Bld/Tiss/Sal" to "Bld/Tiss" since this System in LOINC encompasses all specimens used for germline nucleic acid testing, including blood, tissue and cells contained in swabs as well as fluids such as saliva.; COMPONENT: Updated Component to align with the LOINC term naming model for concepts used to report allelic genotypes (e.g. CYP2C19*1/*12 ), which was the original intent for this term.; Release 2.67: CLASS: Updated to MOLPATH.PHARMG, the more representative LOINC Class for this concept.; SYSTEM: Updated System from "Bld/Tiss/Sal" to "Bld/Tiss" since this System in LOINC encompasses all specimens used for germline nucleic acid testing, including blood, tissue and cells contained in swabs as well as fluids such as saliva.; Previous Releases: Added specimen of saliva since Cytochrome P450 gene testing is commonly done on saliva as well as blood specimens and results are theoretically the same for both.; Based on LOINC Committee review (June 2016), "targeted" was added to the Component to clarify that this test is looking for a specific set of mutations as described in the LOINC User Guide under the Molecular Genetics section. | ||
Related Names | |||
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