LOINCActiveBoth

LOINC Code 85686-4: HIV 1 Ab IF Ql (S/P/Bld)

85686-4 is a LOINC code used to identify HIV 1 Ab IF Ql (S/P/Bld) 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 Ab. It is commonly used with the system or sample type Ser/Plas/Bld.

Reviewed by HealthAssure Clinical TeamUpdated 21 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 Ab. It is commonly used with the system or sample type Ser/Plas/Bld.

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: IF

What it does not mean

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

Key facts

  • HIV 1 Ab [Presence] in Serum, Plasma or Blood by Immunofluorescence
  • HIV 1 Ab
  • A fluorescent pattern is used to determine the results of this test. This test was created for but not limited to Fluorognost HIV-1 IFA assay which is intended to be used as an additional, more specific test for antibodies to HIV-1 in human serum or plasma specimens found to be repeatedly reactive by screening procedures, such as the Enzyme-Linked Immunosorbent Assay (EIA). .
  • ABS; Aby; ACIF; AIDS; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; Blood; FA; Fluorescent antibody; Fluoresent; HIV type 1; HIV type I; HIV1; Human immunodeficiency virus; i; ID; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Pl; PlasBld; Plasma; Plsm; Point in time; PR; QL; Qual; Qualitative; Random; Screen; SerP; SerPl; SerPlas; SerPlBld; Serum; Serum or plasma; Serum, plasma or whole blood; SR; Time Resolved Fluorescence; TRF; WB; Whole blood

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 Ab IF Ql (S/P/Bld)HIV 1 Ab [Presence] in Serum, Plasma or Blood by ImmunofluorescenceHIV1 Ab SerPlBld Ql IFHIV 1 AbMICROHIV 1 antibody, BloodPrThr

Frequently asked questions

Code details

Code85686-4
SystemLOINC
Display nameHIV 1 Ab IF Ql (S/P/Bld)
DescriptionHIV 1 Ab
Short nameHIV1 Ab SerPlBld Ql IF
ComponentHIV 1 Ab
PropertyPrThr
TimingPt
System (specimen)Ser/Plas/Bld
ScaleOrd
MethodIF
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.61
Last changed2.61

Consumer names

HIV 1 antibody, Blood

Part names

HIV 1 AbPrThrPtSer/Plas/BldOrdIFPresence or ThresholdPoint in time (spot)Serum, Plasma or BloodImmunofluorescence (IF)

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 85686-4 | HealthAssure