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.

LOINCActiveBoth

LOINC Code 45321-7: FMR1 gene allele 1 CGG repeats Molgen (Bld/Tiss) [Entitic number]

Name: LOINC Code 45321-7: FMR1 gene allele 1 CGG repeats Molgen (Bld/Tiss) [Entitic number]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:30.176Z

45321-7 is a LOINC code used to identify FMR1 gene allele 1 CGG repeats Molgen (Bld/Tiss) [Entitic number] 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 FMR1 gene allele 1.CGG repeats. 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 FMR1 gene allele 1.CGG repeats. 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: Both
Method: Molgen

What it does not mean

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

Key facts

FMR1 gene allele 1 CGG repeats [Entitic number] in Blood or Tissue by Molecular genetics method
FMR1 gene allele 1.CGG repeats
Blood; Entitic; Entitic number; FMR1 allele1 CGG Rpt; FMRP; Fragile X; Fragile X mental retardation 1; Fragile X syndrome; FRAXA; Genetics; Heredity; Heritable; i; Inherited; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.NUCREPEAT; PCR; POF; POF1; Point in time; QNT; Quan; Quant; Quantitative; Random; Repeat; 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

FMR1 gene allele 1 CGG repeats Molgen (Bld/Tiss) [Entitic number]FMR1 gene allele 1 CGG repeats [Entitic number] in Blood or Tissue by Molecular genetics methodFMR1 allele1 CGG Rpt EntNum Bld/TFMR1 gene allele 1.CGG repeatsMOLPATH.NUCREPEATFMR1 gene Allele 1 CGG Repeats, Blood or tissue specimenEntNum

Frequently asked questions

Code details

Code45321-7

SystemLOINC

Display nameFMR1 gene allele 1 CGG repeats Molgen (Bld/Tiss) [Entitic number]

DescriptionFMR1 gene allele 1.CGG repeats

Short nameFMR1 allele1 CGG Rpt EntNum Bld/T

ComponentFMR1 gene allele 1.CGG repeats

PropertyEntNum

TimingPt

System (specimen)Bld/Tiss

ScaleQn

MethodMolgen

ClassMOLPATH.NUCREPEAT

Example unitsCGG Repeats

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.17

Last changed2.73

Consumer names

FMR1 gene Allele 1 CGG Repeats, Blood or tissue specimen

Part names

FMR1 gene allele 1.CGG repeatsEntNumPtBld/TissQnMolgenFMR1 gene allele 1 CGG repeatsEntitic numberPoint 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.