LOINCActiveBoth

LOINC Code 34651-0: CYP21A2 gene targeted mutation analysis Molgen Doc (Bld/Tiss)

34651-0 is a LOINC code used to identify CYP21A2 gene targeted mutation analysis Molgen Doc (Bld/Tiss) 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 CYP21A2 gene targeted mutation analysis. 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 CYP21A2 gene targeted mutation analysis. 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

  • CYP21A2 gene targeted mutation analysis in Blood or Tissue by Molecular genetics method
  • CYP21A2 gene targeted mutation analysis
  • 21 Hydroxylase Deficiency; Blood; CA21H; CAH1; Congenital adrenal hyperplasia; CPS1; CYP21; CYP21B; cytochrome P450, family 21, subfamily A, polypeptide 2; Document; Finding; Findings; Genetics; Heredity; Heritable; Inherited; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.MUTATIONS; Mut; Mut Anl; Mutations; P450c21B; 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

CYP21A2 gene targeted mutation analysis Molgen Doc (Bld/Tiss)CYP21A2 gene targeted mutation analysis in Blood or Tissue by Molecular genetics methodCYP21A2 Mut Anl Bld/TCYP21A2 gene targeted mutation analysisMOLPATH.MUTCYP21A2 gene targeted mutation analysis, Blood or tissue specimenFind

Frequently asked questions

Code details

Code34651-0
SystemLOINC
Display nameCYP21A2 gene targeted mutation analysis Molgen Doc (Bld/Tiss)
DescriptionCYP21A2 gene targeted mutation analysis
Short nameCYP21A2 Mut Anl Bld/T
ComponentCYP21A2 gene targeted mutation analysis
PropertyFind
TimingPt
System (specimen)Bld/Tiss
ScaleDoc
MethodMolgen
ClassMOLPATH.MUT
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.11
Last changed2.73

Consumer names

CYP21A2 gene targeted mutation analysis, Blood or tissue specimen

Part names

CYP21A2 gene targeted mutation analysisFindPtBld/TissDocMolgenFindingPoint in time (spot)Blood or TissueMolecular 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 34651-0 | HealthAssure