LOINC Code 84918-2: Chr X 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 X 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 X aneuploidy [Presence] in Amniotic fluid or Chorionic villus sample by FISH
• Chromosome X aneuploidy
• The detection chromosome X 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 X 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