LOINC Code 21332-2: HIV 1 p41 Ab IB (S) [Titer]

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 HIV 1 p41 Ab. It is commonly used with the system or sample type Ser.

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
• Method: IB

What it does not mean

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

Key facts

• HIV 1 p41 Ab [Titer] in Serum by Immunoblot
• HIV 1 p41 Ab
• ABS; Aby; AIDS; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Blt; Dilution factor; Dilution Factor (Titer); HIV type 1; HIV type I; HIV1; HIV1 p41; Human immunodeficiency virus; i; ID; IMMUNE BLOT; Immunobl; Immunoblot; Infectious Disease; InfectiousDisease; Microbiology; Point in time; Random; RIBA; Serum; SmQn; SR; Titer; Titered; Titre; Ttr; WB; WBLOT; West blot; West blt; Western blot

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