LOINCActiveObservation

LOINC Code 12875-1: HIV 1 p64 Ab IB Ql (S)

12875-1 is a LOINC code used to identify HIV 1 p64 Ab IB Ql (S) in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component HIV 1 p64 Ab. It is commonly used with the system or sample type Ser.

Reviewed by HealthAssure Clinical TeamUpdated 25 May 2026

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 p64 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 p64 Ab [Presence] in Serum by Immunoblot
  • HIV 1 p64 Ab
  • ABS; Aby; AIDS; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Blt; HIV type 1; HIV type I; HIV1; HIV1 p64; Human immunodeficiency virus; i; ID; IMMUNE BLOT; Immunobl; Immunoblot; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; RIBA; Screen; Serum; SR; 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

HIV 1 p64 Ab IB Ql (S)HIV 1 p64 Ab [Presence] in Serum by ImmunoblotHIV1 p64 Ab Ser Ql IBHIV 1 p64 AbMICROHIV 1 P64 antibody, BloodPrThr

Frequently asked questions

Code details

Code12875-1
SystemLOINC
Display nameHIV 1 p64 Ab IB Ql (S)
DescriptionHIV 1 p64 Ab
Short nameHIV1 p64 Ab Ser Ql IB
ComponentHIV 1 p64 Ab
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIB
ClassMICRO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.58

Consumer names

HIV 1 P64 antibody, Blood

Part names

HIV 1 p64 AbPrThrPtSerOrdIBPresence or ThresholdPoint in time (spot)SerumImmunoblot

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 12875-1 | HealthAssure