LOINC Code 58900-2: HIV 1+2 Ab+HIV1 p24 Ag IA Qn

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+2 Ab+HIV1 p24 Ag. It is commonly used with the system or sample type Ser/Plas.

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: IA

What it does not mean

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

Key facts

• HIV 1+2 Ab+HIV1 p24 Ag [Units/volume] in Serum or Plasma by Immunoassay
• HIV 1+2 Ab+HIV1 p24 Ag
• AIDS; Antigen; Antigens; Arbitrary concentration; EIA; ELFA; ELISA; Enzyme immunoassay; HIV 1 & 2; HIV 1 and 2 Ab; HIV 1+2 Ab+HIV1p24; HIV type 1; HIV type I; HIV1; HIV1+2; HIV1+2 Ab+HIV1p24Ag; Human immunodeficiency virus; i; IAA; ID; II; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; SUDS

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