LOINCActiveBoth

LOINC Code 21640-8: BRCA2 gene c.6174delT Molgen Ql (Bld/Tiss)

21640-8 is a LOINC code used to identify BRCA2 gene c.6174delT Molgen Ql (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 BRCA2 gene.c.6174delT. 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 BRCA2 gene.c.6174delT. 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

  • BRCA2 gene c.6174delT [Presence] in Blood or Tissue by Molecular genetics method
  • BRCA2 gene.c.6174delT
  • Ashkenazi jewish workup; Blood; BRCA; BRCA2 c.6174delT; BRCC2; Breast cancer 2, early onset; BROVCA2; FACD; FAD; FAD1; FANCB; FANCD; FANCD1; Genetics; GLM3; Heredity; Heritable; Inherited; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.MUTATIONS; Oncology; Ordinal; PCR; PNCA2; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Tissue; Tissue, unspecified; WB; Whole blood; Whole blood or Tissue; XRCC11

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

BRCA2 gene c.6174delT Molgen Ql (Bld/Tiss)BRCA2 gene c.6174delT [Presence] in Blood or Tissue by Molecular genetics methodBRCA2 c.6174delT Bld/T QlBRCA2 gene.c.6174delTMOLPATH.MUTBRCA2 gene c.6174delT, Blood or tissue specimenPrThr

Frequently asked questions

Code details

Code21640-8
SystemLOINC
Display nameBRCA2 gene c.6174delT Molgen Ql (Bld/Tiss)
DescriptionBRCA2 gene.c.6174delT
Short nameBRCA2 c.6174delT Bld/T Ql
ComponentBRCA2 gene.c.6174delT
PropertyPrThr
TimingPt
System (specimen)Bld/Tiss
ScaleOrd
MethodMolgen
ClassMOLPATH.MUT
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.56

Consumer names

BRCA2 gene c.6174delT, Blood or tissue specimen

Part names

BRCA2 gene.c.6174delTPrThrPtBld/TissOrdMolgenBRCA2 gene c.6174delTPresence or ThresholdPoint 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 21640-8 | HealthAssure