LOINCActiveBoth

LOINC Code 21659-8: CTNNB1 gene targeted mutation analysis Molgen Nom (Bld/Tiss)

21659-8 is a LOINC code used to identify CTNNB1 gene targeted mutation analysis 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 CTNNB1 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 CTNNB1 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

  • CTNNB1 gene mutations found [Identifier] in Blood or Tissue by Molecular genetics method Nominal
  • CTNNB1 gene targeted mutation analysis
  • armadillo; Beta-catenin gene; Blood; Cadherin associated protein beta gene; catenin (cadherin-associated protein), beta 1, 88kDa; Colorectal cancer; CTNNB; Genetics; Hepatoblastoma; Heredity; Heritable; Identity or presence; Inherited; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.MUTATIONS; MRD19; Mut; Mut Anl; Mutations; Nominal; PCR; Pilomatricoma; 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

CTNNB1 gene targeted mutation analysis Molgen Nom (Bld/Tiss)CTNNB1 gene mutations found [Identifier] in Blood or Tissue by Molecular genetics method NominalCTNNB1 gene Mut Anl Bld/TCTNNB1 gene targeted mutation analysisMOLPATH.MUTCTNNB1 gene targeted mutation analysis, Blood or tissue specimenPrid

Frequently asked questions

Code details

Code21659-8
SystemLOINC
Display nameCTNNB1 gene targeted mutation analysis Molgen Nom (Bld/Tiss)
DescriptionCTNNB1 gene targeted mutation analysis
Short nameCTNNB1 gene Mut Anl Bld/T
ComponentCTNNB1 gene targeted mutation analysis
PropertyPrid
TimingPt
System (specimen)Bld/Tiss
ScaleNom
MethodMolgen
ClassMOLPATH.MUT
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.63

Consumer names

CTNNB1 gene targeted mutation analysis, Blood or tissue specimen

Part names

CTNNB1 gene targeted mutation analysisPridPtBld/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.

LOINC Code 21659-8 | HealthAssure