LOINCActiveBoth

LOINC Code 81855-9: DMPK gene CTG repeat analysis Molgen Doc (Bld/Tiss)

81855-9 is a LOINC code used to identify DMPK gene CTG repeat 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 DMPK gene CTG repeat 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 DMPK gene CTG repeat 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

  • DMPK gene CTG repeat analysis in Blood or Tissue by Molecular genetics method
  • DMPK gene CTG repeat analysis
  • Blood; DM; DM1; DM1PK; DMK; Document; dystrophia myotonica-protein kinase; Dystrophia myotonica-protein kinase gene; Finding; Findings; Genetics; Heredity; Heritable; Inherited; MDPK; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.NUCREPEAT; MT-PK; Myotonic dystrophy 1; Myotonin-protein kinase gene; 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

DMPK gene CTG repeat analysis Molgen Doc (Bld/Tiss)DMPK gene CTG repeat analysis in Blood or Tissue by Molecular genetics methodDMPK gene CTG repeat analysis Bld/TDMPK gene CTG repeat analysisMOLPATH.NUCREPEATDMPK gene CTG repeat analysis, Blood or tissue specimenFind

Frequently asked questions

Code details

Code81855-9
SystemLOINC
Display nameDMPK gene CTG repeat analysis Molgen Doc (Bld/Tiss)
DescriptionDMPK gene CTG repeat analysis
Short nameDMPK gene CTG repeat analysis Bld/T
ComponentDMPK gene CTG repeat analysis
PropertyFind
TimingPt
System (specimen)Bld/Tiss
ScaleDoc
MethodMolgen
ClassMOLPATH.NUCREPEAT
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.56
Last changed2.65

Consumer names

DMPK gene CTG repeat analysis, Blood or tissue specimen

Part names

DMPK gene CTG repeat 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 81855-9 | HealthAssure