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 78224-3: RARA rearrangements FISH Nar (Bld/Tiss) [Interp]

Name: LOINC Code 78224-3: RARA rearrangements FISH Nar (Bld/Tiss) [Interp]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:58.755Z

78224-3 is a LOINC code used to identify RARA 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 RARA 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 RARA 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

RARA gene rearrangements [Interpretation] in Blood or Tissue by FISH Narrative
RARA gene rearrangements
Blood; Fluorescent in situ hybridization; Genetics; Heredity; Heritable; Impression; Impression/interpretation of study; Impressions; Inherited; Interp; Interpretation; Molecular pathology; MOLPATH; MOLPATH.REARRANGEMENTS; Narrative; NR1B1; Point in time; Random; RAR alpha form; RARA rearrange; RARalpha; Rearr; Rearrangement; Report; Retinoic acid receptor alpha; 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

RARA rearrangements FISH Nar (Bld/Tiss) [Interp]RARA gene rearrangements [Interpretation] in Blood or Tissue by FISH NarrativeRARA rearrange Bld/T FISH-ImpRARA gene rearrangementsMOLPATH.REARRANGEInterpretation of RARA rearrangements test result, Blood or tissue specimenImp

Frequently asked questions

Code details

Code78224-3

SystemLOINC

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

DescriptionRARA gene rearrangements

Short nameRARA rearrange Bld/T FISH-Imp

ComponentRARA 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 RARA rearrangements test result, Blood or tissue specimen

Part names

RARA 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.