LOINCActiveBoth

LOINC Code 21759-6: FMR1 gene CGG repeats Molgen Ql (Bld/Tiss)

21759-6 is a LOINC code used to identify FMR1 gene CGG repeats Molgen Ql (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 FMR1 gene.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.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 CGG repeats [Presence] in Blood or Tissue by Molecular genetics method
  • FMR1 gene.CGG repeats
  • Blood; FMR1 CGG; FMR1 gene CGG Rpt; FMRP; Fragile X; Fragile X mental retardation 1; Fragile X syndrome; FRAXA; Genetics; Heredity; Heritable; Inherited; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.NUCREPEAT; Ordinal; PCR; POF; POF1; Point in time; PR; QL; Qual; Qualitative; Random; Repeat; Screen; Tissue; Tissue, unspecified; UniversalLabOrders; 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 CGG repeats Molgen Ql (Bld/Tiss)FMR1 gene CGG repeats [Presence] in Blood or Tissue by Molecular genetics methodFMR1 gene CGG Rpt Bld/T QlFMR1 gene.CGG repeatsMOLPATH.NUCREPEATFMR1 gene CGG Repeats, Blood or tissue specimenPrThr

Frequently asked questions

Code details

Code21759-6
SystemLOINC
Display nameFMR1 gene CGG repeats Molgen Ql (Bld/Tiss)
DescriptionFMR1 gene.CGG repeats
Short nameFMR1 gene CGG Rpt Bld/T Ql
ComponentFMR1 gene.CGG repeats
PropertyPrThr
TimingPt
System (specimen)Bld/Tiss
ScaleOrd
MethodMolgen
ClassMOLPATH.NUCREPEAT
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.73

Consumer names

FMR1 gene CGG Repeats, Blood or tissue specimen

Part names

FMR1 gene.CGG repeatsPrThrPtBld/TissOrdMolgenFMR1 gene CGG repeatsPresence or ThresholdPoint 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.

LOINC Code 21759-6 | HealthAssure