LOINC Code 84919-0: Chr 21 aneuploidy FISH Ql (Amnio fld/CVS)

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 21 aneuploidy. It is commonly used with the system or sample type Amnio fld/CVS.

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 21 aneuploidy [Presence] in Amniotic fluid or Chorionic villus sample by FISH
• Chromosome 21 aneuploidy
• The detection of chromosome 21 aneuploidy in amniotic fluid based on fluorescence in situ hybridization (FISH) analysis.
• AF; Amn; Amn fl; Amn/CVS; Amnio; Amniotic flu; Amniotic fluid; Chorionic villi; Chorionic villus sample; Chr 21 aneup; Chromosom; Chromosomes; Fluorescent in situ hybridization; Genetics; Gyn; Gynecology; Heredity; Heritable; Inherited; Molecular pathology; MOLPATH; OB; ObGyn; Obstetrics; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen

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

Frequently asked questions