LOINCActiveBoth

LOINC Code 21737-2: SNCA gene p.Ala53Thr Molgen Ql (Bld/Tiss)

21737-2 is a LOINC code used to identify SNCA gene p.Ala53Thr 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 SNCA gene.p.Ala53Thr. 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 SNCA gene.p.Ala53Thr. 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

  • SNCA gene p.Ala53Thr [Presence] in Blood or Tissue by Molecular genetics method
  • SNCA gene.p.Ala53Thr
  • a-synuclein
  • Ala53Thr; Blood; Genetics; Heredity; Heritable; Inherited; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.MUTATIONS; NACP; Non A4 component of amyloid precursor; Ordinal; P prime; PARK1; PARK4; Parkinson disease; PCR; PD1; Point in time; PR; QL; Qual; Qualitative; Random; Screen; SNCA p.A53T; Synuclein, alpha; synuclein, alpha (non A4 component of amyloid precursor); 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

SNCA gene p.Ala53Thr Molgen Ql (Bld/Tiss)SNCA gene p.Ala53Thr [Presence] in Blood or Tissue by Molecular genetics methodSNCA p.A53T Bld/T QlSNCA gene.p.Ala53ThrMOLPATH.MUTSNCA gene p.Ala53Thr, Blood or tissue specimenPrThr

Frequently asked questions

Code details

Code21737-2
SystemLOINC
Display nameSNCA gene p.Ala53Thr Molgen Ql (Bld/Tiss)
DescriptionSNCA gene.p.Ala53Thr
Short nameSNCA p.A53T Bld/T Ql
ComponentSNCA gene.p.Ala53Thr
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

SNCA gene p.Ala53Thr, Blood or tissue specimen

Part names

SNCA gene.p.Ala53ThrPrThrPtBld/TissOrdMolgenSNCA gene p.Ala53ThrPresence 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 21737-2 | HealthAssure