LOINCActiveBoth

LOINC Code 66489-6: CYP2C19 gene targeted mutation analysis Molgen Doc (Bld)

66489-6 is a LOINC code used to identify CYP2C19 gene targeted mutation analysis Molgen Doc (Bld) in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component CYP2C19 gene targeted mutation analysis. It is commonly used with the system or sample type Bld.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

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 targeted mutation analysis. It is commonly used with the system or sample type Bld.

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 targeted mutation analysis in Blood by Molecular genetics method
  • CYP2C19 gene targeted mutation analysis
  • Blood; CPCJ; CYP2C; CYPIIC17; CYPIIC19; cytochrome P-450 II C; cytochrome P450, family 2, subfamily C, polypeptide 19; Document; Finding; Findings; Genetics; Heredity; Heritable; Inherited; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.PHARMG; Mut; Mut Anl; Mutations; P450C2C; P450IIC19; PCR; Point in time; Random; WB; Whole blood

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

CYP2C19 gene targeted mutation analysis Molgen Doc (Bld)CYP2C19 gene targeted mutation analysis in Blood by Molecular genetics methodCYP2C19 Mut Anl BldCYP2C19 gene targeted mutation analysisMOLPATH.PHARMGCYP2C19 gene targeted mutation analysis, BloodFind

Frequently asked questions

Code details

Code66489-6
SystemLOINC
Display nameCYP2C19 gene targeted mutation analysis Molgen Doc (Bld)
DescriptionCYP2C19 gene targeted mutation analysis
Short nameCYP2C19 Mut Anl Bld
ComponentCYP2C19 gene targeted mutation analysis
PropertyFind
TimingPt
System (specimen)Bld
ScaleDoc
MethodMolgen
ClassMOLPATH.PHARMG
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.38
Last changed2.73

Consumer names

CYP2C19 gene targeted mutation analysis, Blood

Part names

CYP2C19 gene targeted mutation analysisFindPtBldDocMolgenFindingPoint in time (spot)BloodMolecular genetics

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 66489-6 | HealthAssure