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 48002-0: Genomic source class Molgen Nom (Bld/Tiss)

Name: LOINC Code 48002-0: Genomic source class Molgen Nom (Bld/Tiss)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:32.262Z

48002-0 is a LOINC code used to identify Genomic source class Molgen Nom (Bld/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 Genomic source class. 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 Genomic source class. 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: Molgen

What it does not mean

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

Key facts

Genomic source class [Type]

Genomic source class

The genomic class of the variantGermline for inherited genome, somatic for cancer genome, and prenatal for fetal genome.

Blood; Genetic; Genetic variant source; Genetics; Genomic; Heredity; Heritable; HL7.GENETICS; Inherited; Molecular genetics; MOLPATH.GENERAL; Nominal; PCR; Point in time; Random; Srce; Tissue; Tissue, unspecified; Typ; 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

Genomic source class Molgen Nom (Bld/Tiss)Genomic source class [Type]Genomic source classHL7.GENETICSGenomic source class, Blood or tissue specimenTypePt

Frequently asked questions

Code details

Code48002-0

SystemLOINC

Display nameGenomic source class Molgen Nom (Bld/Tiss)

DescriptionGenomic source class

Short nameGenomic source class

ComponentGenomic source class

PropertyType

TimingPt

System (specimen)Bld/Tiss

ScaleNom

MethodMolgen

ClassHL7.GENETICS

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.21

Last changed2.82

Consumer names

Genomic source class, Blood or tissue specimen

Part names

Genomic source classTypePtBld/TissNomMolgenPoint in time (spot)Blood or TissueMolecular genetics

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.