LOINC Code 81709-8: Microsatellite markers exhibiting instability (Cancer specimen) [#]

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 Microsatellite markers exhibiting instability. It is commonly used with the system or sample type Cancer specimen.

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: Observation

What it does not mean

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

Key facts

• Microsatellite markers exhibiting instability [#] in Cancer specimen
• Microsatellite markers exhibiting instability
• CA; Ca spec; Cnt; Count; MSI mark found; Number; Pathology; Point in time; QNT; Quan; Quant; Quantitative; Random; Spec

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