LOINCActiveObservation

LOINC Code 93797-9: MYCN copy num/Chromosome 2 copy num FISH (Tiss) [# ratio]

93797-9 is a LOINC code used to identify MYCN copy num/Chromosome 2 copy num FISH (Tiss) [# ratio] 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 MYCN gene copy number/Chromosome 2 copy number. 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 MYCN gene copy number/Chromosome 2 copy number. 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: Observation
  • Method: FISH

What it does not mean

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

Key facts

  • MYCN gene copy number/Chromosome 2 copy number in Tissue by FISH
  • MYCN gene copy number/Chromosome 2 copy number
  • Chr 2 copy num; Chromosom; Chromosomes; Fluorescent in situ hybridization; II; Molecular pathology; MOLPATH; MYCN copy num; No; Num; Number ratio; Point in time; QNT; Quan; Quant; Quantitative; Random; Tissue; Tissue, unspecified

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

MYCN copy num/Chromosome 2 copy num FISH (Tiss) [# ratio]MYCN gene copy number/Chromosome 2 copy number in Tissue by FISHMYCN copy num/Chr 2 copy num Tiss FISHMYCN gene copy number/Chromosome 2 copy numberMOLPATHMYCN copy number/Chromosome 2 Copy Number, TissueNRto

Frequently asked questions

Code details

Code93797-9
SystemLOINC
Display nameMYCN copy num/Chromosome 2 copy num FISH (Tiss) [# ratio]
DescriptionMYCN gene copy number/Chromosome 2 copy number
Short nameMYCN copy num/Chr 2 copy num Tiss FISH
ComponentMYCN gene copy number/Chromosome 2 copy number
PropertyNRto
TimingPt
System (specimen)Tiss
ScaleQn
MethodFISH
ClassMOLPATH
Example unitsratio
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.67
Last changed2.67

Consumer names

MYCN copy number/Chromosome 2 Copy Number, Tissue

Part names

MYCN gene copy number/Chromosome 2 copy numberNRtoPtTissQnFISHNumber RatioPoint 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.

LOINC Code 93797-9 | HealthAssure