LOINC Code 87436-2: Chr X and Y aneuploidy FISH Doc (Bld/Tiss)

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 & 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 X and Y aneuploidy in Blood or Tissue by FISH
• Chromosome X & Y aneuploidy
• Sex chromosome (X & Y) analysis by FISH to determine gender (XY or XX) or presence of aneuploidy in blood or tissue-type specimens, including cheek (buccal) swabs or saliva. For aneuploidy cases, the results of the specific findings (e.g. YY, XYY, XXX, etc.) are reported as well. This document may contain the reason for referral, the specimen source, the overall result (normal/abnormal), the result in ISCN expression (e.g. nuc ish(DXZ1x2)[200]), the interpretation or findings, recommendations, and test method information.
• Blood; Chr X + Y aneup; Chromosom; Chromosomes; Document; Finding; Findings; Fluorescent in situ hybridization; Genetics; Heredity; Heritable; Inherited; Molecular pathology; MOLPATH; 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

Frequently asked questions