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 34730-2: Chr breakage (Specimen) [Interp]

Name: LOINC Code 34730-2: Chr breakage (Specimen) [Interp]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

34730-2 is a LOINC code used to identify Chr breakage (Specimen) [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 Chromosome breakage. It is commonly used with the system or sample type XXX.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Chromosome breakage. It is commonly used with the system or sample type XXX.

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

What it does not mean

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

Key facts

Chromosome breakage [Interpretation] in Specimen
Chromosome breakage
Chrom Break; Chromosom; Chromosomes; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Misc; Miscellaneous; Molecular pathology; MOLPATH; Nominal; Other; Point in time; Random; Spec; To be specified in another part of the message; 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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Chr breakage (Specimen) [Interp] (34730-2)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Chr breakage (Specimen) [Interp]Chromosome breakage [Interpretation] in SpecimenChrom Break Spec-ImpChromosome breakageMOLPATHChromosome breakage, SpecimenImp

Frequently asked questions

Code details

Code34730-2

SystemLOINC

Display nameChr breakage (Specimen) [Interp]

DescriptionChromosome breakage

Short nameChrom Break Spec-Imp

ComponentChromosome breakage

PropertyImp

TimingPt

System (specimen)XXX

ScaleNom

ClassMOLPATH

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.11

Last changed2.73

Consumer names

Chromosome breakage, Specimen

Part names

Chromosome breakageImpPtXXXNomImpression/interpretation of studyPoint in time (spot)

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.