LOINCActiveBoth

LOINC Code 31150-6: ERBB2 gene dup FISH Ql (Tiss)

31150-6 is a LOINC code used to identify ERBB2 gene dup FISH Ql (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 ERBB2 gene duplication. It is commonly used with the system or sample type 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 ERBB2 gene duplication. It is commonly used with the system or sample type 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: FISH

What it does not mean

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

Key facts

  • ERBB2 gene duplication [Presence] in Tissue by FISH
  • ERBB2 gene duplication
  • Amplification; CD340; c-erb B2; Dp; ERBB2 duplication; erb-b2 receptor tyrosine kinase 2; Fluorescent in situ hybridization; Genetics; HER2; HER-2; HER-2/neu; Heredity; Heritable; Inherited; MLN 19; Molecular pathology; MOLPATH; NEU; NGL; Oncology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Tissue; Tissue, unspecified; TKR1; v-erb-b2 avian erythroblastic leukemia viral oncogene homolog 2 (neuro/glioblastoma derived oncogene homolog)

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

ERBB2 gene dup FISH Ql (Tiss)ERBB2 gene duplication [Presence] in Tissue by FISHERBB2 gene Dp Tiss Ql FISHERBB2 gene duplicationMOLPATHERBB2 gene duplication analysis, TissuePrThr

Frequently asked questions

Code details

Code31150-6
SystemLOINC
Display nameERBB2 gene dup FISH Ql (Tiss)
DescriptionERBB2 gene duplication
Short nameERBB2 gene Dp Tiss Ql FISH
ComponentERBB2 gene duplication
PropertyPrThr
TimingPt
System (specimen)Tiss
ScaleOrd
MethodFISH
ClassMOLPATH
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.07
Last changed2.73

Consumer names

ERBB2 gene duplication analysis, Tissue

Part names

ERBB2 gene duplicationPrThrPtTissOrdFISHPresence or ThresholdPoint in time (spot)Tissue and SmearsFluorescent in situ hybridization (FISH)

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.