What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 78222-7: MYC gene rearrangements FISH Nar (Bld/Tiss) [Interp]

Name: LOINC Code 78222-7: MYC gene rearrangements FISH Nar (Bld/Tiss) [Interp]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:58.755Z

78222-7 is a LOINC code used to identify MYC gene rearrangements FISH Nar (Bld/Tiss) [Interp] 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 MYC gene rearrangements. 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 MYC gene rearrangements. 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: Observation
Method: FISH

What it does not mean

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

Key facts

MYC gene rearrangements [Interpretation] in Blood or Tissue by FISH Narrative
MYC gene rearrangements
bHLHe39; Blood; Burkitt lymphoma; Burkitts lymphoma; c-MYC; Fluorescent in situ hybridization; Genetics; Heredity; Heritable; Impression; Impression/interpretation of study; Impressions; Inherited; Interp; Interpretation; Molecular pathology; MOLPATH; MOLPATH.REARRANGEMENTS; MRTL; MYCC; Narrative; Point in time; Protooncogene homologous to myelocytomatosis virus; Random; Rearr; Rearrangement; Report; Tissue; Tissue, unspecified; v-myc avian myelocytomatosis viral oncogene homolog; v-myc myelocytomatosis viral oncogene homolog; 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

MYC gene rearrangements FISH Nar (Bld/Tiss) [Interp]MYC gene rearrangements [Interpretation] in Blood or Tissue by FISH NarrativeMYC gene Rear Bld/T FISH-ImpMYC gene rearrangementsMOLPATH.REARRANGEInterpretation of MYC gene rearrangements test result, Blood or tissue specimenImp

Frequently asked questions

Code details

Code78222-7

SystemLOINC

Display nameMYC gene rearrangements FISH Nar (Bld/Tiss) [Interp]

DescriptionMYC gene rearrangements

Short nameMYC gene Rear Bld/T FISH-Imp

ComponentMYC gene rearrangements

PropertyImp

TimingPt

System (specimen)Bld/Tiss

ScaleNar

MethodFISH

ClassMOLPATH.REARRANGE

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.54

Last changed2.61

Consumer names

Interpretation of MYC gene rearrangements test result, Blood or tissue specimen

Part names

MYC gene rearrangementsImpPtBld/TissNarFISHImpression/interpretation of studyPoint in time (spot)Blood or TissueFluorescent 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.