LOINC Code 14981-5: A variant subtype Ab Ql (S/P donor)

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 A variant subtype Ab. It is commonly used with the system or sample type Ser/Plas^Donor.

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

• A variant subtype Ab [Presence] in Serum or Plasma from Donor
• A variant subtype Ab
• Group of A variant subtypes defined on basis of absorption and elution studies and production or absence of anti-A. There is no A variant Ag; classic A Ag is present in varying strengths and amounts resulting in variant behavior
• A Var Subtyp; ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; BLOOD BANK; Donr; Ordinal; Pl; Plasma; Plsm; Point in time; PR; QL; Qual; Qualitative; Random; Screen; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR

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