LOINCActiveBoth

LOINC Code 49686-9: CPT2 gene p.Arg631Cys Molgen Ql (Bld)

49686-9 is a LOINC code used to identify CPT2 gene p.Arg631Cys Molgen Ql (Bld) 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 CPT2 gene.p.Arg631Cys. It is commonly used with the system or sample type Bld.

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 CPT2 gene.p.Arg631Cys. It is commonly used with the system or sample type Bld.

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

  • CPT2 gene p.Arg631Cys [Presence] in Blood by Molecular genetics method
  • CPT2 gene.p.Arg631Cys
  • Blood; carnitine palmitoyltransferase 2; carnitine palmitoyltransferase 2 gene; carnitine palmitoyltransferase II gene; CPT1; CPT2 p.R631C; CPTASE; Genetics; Heredity; Heritable; IIAE4; Inherited; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.MUTATIONS; Ordinal; P prime; PCR; Point in time; PR; QL; Qual; Qualitative; Random; Screen; WB; Whole blood

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

CPT2 gene p.Arg631Cys Molgen Ql (Bld)CPT2 gene p.Arg631Cys [Presence] in Blood by Molecular genetics methodCPT2 p.R631C Bld QlCPT2 gene.p.Arg631CysMOLPATH.MUTCPT2 gene p.Arg631Cys, BloodPrThr

Frequently asked questions

Code details

Code49686-9
SystemLOINC
Display nameCPT2 gene p.Arg631Cys Molgen Ql (Bld)
DescriptionCPT2 gene.p.Arg631Cys
Short nameCPT2 p.R631C Bld Ql
ComponentCPT2 gene.p.Arg631Cys
PropertyPrThr
TimingPt
System (specimen)Bld
ScaleOrd
MethodMolgen
ClassMOLPATH.MUT
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.70

Consumer names

CPT2 gene p.Arg631Cys, Blood

Part names

CPT2 gene.p.Arg631CysPrThrPtBldOrdMolgenCPT2 gene p.Arg631CysPresence or ThresholdPoint in time (spot)BloodMolecular 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 49686-9 | HealthAssure