LOINCActiveObservation

LOINC Code 21686-1: HADHB gene mutations tested for Molgen Nom (Bld/Tiss)

21686-1 is a LOINC code used to identify HADHB gene mutations tested for Molgen Nom (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 HADHB gene mutations tested for. 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 HADHB gene mutations tested for. 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: Observation
  • Method: Molgen

What it does not mean

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

Key facts

  • HADHB gene mutations tested for in Blood or Tissue by Molecular genetics method Nominal
  • HADHB gene mutations tested for
  • Blood; ECHB; Gene mut tested; Genetics; Heredity; Heritable; hydroxyacyl-CoA dehydrogenase/3-ketoacyl-CoA thiolase/enoyl-CoA hydratase (trifunctional protein), beta subunit; Hydroxyacyl-Coenzyme A dehydrogenase/3-ketoacyl-Coenzyme A thiolase/enoyl-Coenzyme A hydratase (trifunctional protein), beta subunit; Identity or presence; Inherited; Long chain-3 hydroxyacyl-CoA dehydrogenase deficiency; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.MUTATIONS; MSTP029; MTPB; Mut; Mut Tested; Mutation; Muts; Nominal; PCR; Point in time; Random; Tissue; Tissue, unspecified; TP-BETA; 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

HADHB gene mutations tested for Molgen Nom (Bld/Tiss)HADHB gene mutations tested for in Blood or Tissue by Molecular genetics method NominalHADHB gene Mut Tested Bld/THADHB gene mutations tested forMOLPATH.MUTHADHB gene variants tested for, Blood or tissue specimenPrid

Frequently asked questions

Code details

Code21686-1
SystemLOINC
Display nameHADHB gene mutations tested for Molgen Nom (Bld/Tiss)
DescriptionHADHB gene mutations tested for
Short nameHADHB gene Mut Tested Bld/T
ComponentHADHB gene mutations tested for
PropertyPrid
TimingPt
System (specimen)Bld/Tiss
ScaleNom
MethodMolgen
ClassMOLPATH.MUT
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.13

Consumer names

HADHB gene variants tested for, Blood or tissue specimen

Part names

HADHB gene mutations tested forPridPtBld/TissNomMolgenPresence or IdentityPoint 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.