LOINCActiveBoth

LOINC Code 57318-8: Chr 13+18+21+X+Y aneuploidy FISH Nom (Bld/Tiss)

57318-8 is a LOINC code used to identify Chr 13+18+21+X+Y aneuploidy FISH 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 Chromosome 13+18+21+X+Y aneuploidy. 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 Chromosome 13+18+21+X+Y aneuploidy. 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: FISH

What it does not mean

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

Key facts

  • Chromosome 13+18+21+X+Y aneuploidy in Blood or Tissue by FISH Nominal
  • Chromosome 13+18+21+X+Y aneuploidy
  • Blood; Chr 13+18+21+X+Y aneup; Chromosom; Chromosomes; Finding; Findings; Fluorescent in situ hybridization; Genetics; Heredity; Heritable; Inherited; Molecular pathology; MOLPATH; Nominal; Point in time; Random; 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

Chr 13+18+21+X+Y aneuploidy FISH Nom (Bld/Tiss)Chromosome 13+18+21+X+Y aneuploidy in Blood or Tissue by FISH NominalChr 13+18+21+X+Y aneup Bld/T FISHChromosome 13+18+21+X+Y aneuploidyMOLPATHChromosome 13+18+21+X+Y aneuploidy, Blood or tissue specimenFind

Frequently asked questions

Code details

Code57318-8
SystemLOINC
Display nameChr 13+18+21+X+Y aneuploidy FISH Nom (Bld/Tiss)
DescriptionChromosome 13+18+21+X+Y aneuploidy
Short nameChr 13+18+21+X+Y aneup Bld/T FISH
ComponentChromosome 13+18+21+X+Y aneuploidy
PropertyFind
TimingPt
System (specimen)Bld/Tiss
ScaleNom
MethodFISH
ClassMOLPATH
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.73

Consumer names

Chromosome 13+18+21+X+Y aneuploidy, Blood or tissue specimen

Part names

Chromosome 13+18+21+X+Y aneuploidyFindPtBld/TissNomFISHFindingPoint 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.