LOINCActiveBoth

LOINC Code 104667-1: CYP2C19 Activity Score (Bld/Tiss) [Score]

104667-1 is a LOINC code used to identify CYP2C19 Activity Score (Bld/Tiss) [Score] 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 Activity Score. It is commonly used with the system or sample type Bld/Tiss.

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 Activity Score. 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

What it does not mean

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

Key facts

  • CYP2C19 Activity Score in Blood or Tissue
  • CYP2C19 Activity Score
  • Activ; Actvty; Blood; Molecular pathology; MOLPATH; Movements; Point in time; Random; Scale; Scre; SmQn; 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

CYP2C19 Activity Score (Bld/Tiss) [Score]CYP2C19 Activity Score in Blood or TissueCYP2C19 Activity Score Bld/TCYP2C19 Activity ScoreMOLPATHCYP2C19 Activity Score, Blood or tissue specimenScore

Frequently asked questions

Code details

Code104667-1
SystemLOINC
Display nameCYP2C19 Activity Score (Bld/Tiss) [Score]
DescriptionCYP2C19 Activity Score
Short nameCYP2C19 Activity Score Bld/T
ComponentCYP2C19 Activity Score
PropertyScore
TimingPt
System (specimen)Bld/Tiss
ScaleSemiQn
ClassMOLPATH
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.78
Last changed2.78

Consumer names

CYP2C19 Activity Score, Blood or tissue specimen

Part names

CYP2C19 Activity ScoreScorePtBld/TissSemiQnPoint in time (spot)Blood or Tissue

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 104667-1 | HealthAssure