LOINCBoth

LOINC Code 21708-3: MT-ATP6 gene p.L156R Molgen Ql (Bld/Tiss)

21708-3 is a LOINC code used to identify MT-ATP6 gene p.L156R 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 MT-ATP6 gene.p.L156R. 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 MT-ATP6 gene.p.L156R. 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: DEPRECATED
  • Order vs observation: Both
  • Method: Molgen

What it does not mean

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

Key facts

  • Deprecated MT-ATP6 gene p.L156R [Presence] in Blood or Tissue by Molecular genetics method
  • MT-ATP6 gene.p.L156R
  • Arbitrary; ATP synthase 6; ATP synthase A chain; ATP6; ATPASE 6; Blood; Genetics; Heredity; Heritable; Inherited; Leigh syndrome; Leu156Pro; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.MUTATIONS; MTATP6; MT-ATP6 p.L156R; NARP syndrome; Neurogenic muscle weakness, ataxia and retinitis pigmentosa; Ordinal; P prime; PCR; Point in time; QL; Qual; Qualitative; Random; Screen; T8993G; 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

MT-ATP6 gene p.L156R Molgen Ql (Bld/Tiss)Deprecated MT-ATP6 gene p.L156R [Presence] in Blood or Tissue by Molecular genetics methodDeprecated MT-ATP6 p.L156R Bld/T QlMT-ATP6 gene.p.L156RMOLPATH.MUTMT-ATP6 gene p.L156R, Blood or tissue specimenArb

Frequently asked questions

Code details

Code21708-3
SystemLOINC
Display nameMT-ATP6 gene p.L156R Molgen Ql (Bld/Tiss)
DescriptionMT-ATP6 gene.p.L156R
Short nameDeprecated MT-ATP6 p.L156R Bld/T Ql
ComponentMT-ATP6 gene.p.L156R
PropertyArb
TimingPt
System (specimen)Bld/Tiss
ScaleOrd
MethodMolgen
ClassMOLPATH.MUT
StatusDEPRECATED
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.40

Consumer names

MT-ATP6 gene p.L156R, Blood or tissue specimen

Part names

MT-ATP6 gene.p.L156RArbPtBld/TissOrdMolgenMT-ATP6 gene p.L156RArbitraryPoint 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.