LOINC Code 57132-3: CYP2C19 gene allele genotype Molgen (Bld/Tiss)

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component CYP2C19 gene allele. It is commonly used with the system or sample type Bld/Tiss.

When is it used?

• Used in lab systems, EHRs, and clinical data exchange.
• May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
• Status: ACTIVE
• Order vs observation: Both
• Method: Molgen

What it does not mean

• The code identifies the observation or test, not the actual result.

Key facts

• CYP2C19 gene allele [Genotype] in Blood or Tissue by Molecular genetics method Nominal
• CYP2C19 gene allele
• 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.
• Blood; CPCJ; CYP2C; CYP2C19 allele; CYPIIC17; CYPIIC19; cytochrome P-450 II C; cytochrome P450, family 2, subfamily C, polypeptide 19; Genetics; Heredity; Heritable; Inherited; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.PHARMG; Nominal; P450C2C; P450IIC19; PCR; Point in time; Random; Tissue; Tissue, unspecified; WB; Whole blood; Whole blood or Tissue

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Frequently asked questions