LOINCActiveBoth

LOINC Code 53866-0: GCH1 gene targeted mutation analysis Molgen Doc (Bld/Tiss)

53866-0 is a LOINC code used to identify GCH1 gene targeted mutation analysis Molgen Doc (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 GCH1 gene targeted mutation analysis. 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 GCH1 gene targeted mutation analysis. 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

  • GCH1 gene targeted mutation analysis in Blood or Tissue by Molecular genetics method
  • GCH1 gene targeted mutation analysis
  • Blood; Document; DYT14; DYT5; DYT5a; Finding; Findings; GCH; Genetics; GTP cyclohydrolase 1; GTP Cyclohydrolase I; GTPCH1; GTP-CH-1; GTP-CH-I; guanosine 5'-triphosphate cyclohydrolase I; Heredity; Heritable; HPABH4B; Inherited; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.MUTATIONS; Mut; Mut Anl; Mutations; PCR; Point in time; Random; 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

GCH1 gene targeted mutation analysis Molgen Doc (Bld/Tiss)GCH1 gene targeted mutation analysis in Blood or Tissue by Molecular genetics methodGCH1 gene Mut Anl Bld/TGCH1 gene targeted mutation analysisMOLPATH.MUTGCH1 gene targeted mutation analysis, Blood or tissue specimenFind

Frequently asked questions

Code details

Code53866-0
SystemLOINC
Display nameGCH1 gene targeted mutation analysis Molgen Doc (Bld/Tiss)
DescriptionGCH1 gene targeted mutation analysis
Short nameGCH1 gene Mut Anl Bld/T
ComponentGCH1 gene targeted mutation analysis
PropertyFind
TimingPt
System (specimen)Bld/Tiss
ScaleDoc
MethodMolgen
ClassMOLPATH.MUT
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.26
Last changed2.66

Consumer names

GCH1 gene targeted mutation analysis, Blood or tissue specimen

Part names

GCH1 gene targeted mutation analysisFindPtBld/TissDocMolgenFindingPoint 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 53866-0 | HealthAssure