LOINCActiveObservation

LOINC Code 13499-9: HIV 1 Ab band pattern IB (S) [Interp]

13499-9 is a LOINC code used to identify HIV 1 Ab band pattern IB (S) [Interp] 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 band pattern. It is commonly used with the system or sample type Ser.

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 band pattern. 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 Ab band pattern [Interpretation] in Serum by Immunoblot
  • HIV 1 Ab band pattern
  • Ab Patrn; ABS; Aby; AIDS; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Bands; Blt; bnd; HIV type 1; HIV type I; HIV1; Human immunodeficiency virus; i; ID; IMMUNE BLOT; Immunobl; Immunoblot; Impression; Impression/interpretation of study; Impressions; Infectious Disease; InfectiousDisease; Interp; Interpretation; Microbiology; Nominal; Patrn; Point in time; Random; RIBA; 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 Ab band pattern IB (S) [Interp]HIV 1 Ab band pattern [Interpretation] in Serum by ImmunoblotHIV1 Ab Patrn Ser IB-ImpHIV 1 Ab band patternMICROHIV 1 antibody band pattern, BloodImp

Frequently asked questions

Code details

Code13499-9
SystemLOINC
Display nameHIV 1 Ab band pattern IB (S) [Interp]
DescriptionHIV 1 Ab band pattern
Short nameHIV1 Ab Patrn Ser IB-Imp
ComponentHIV 1 Ab band pattern
PropertyImp
TimingPt
System (specimen)Ser
ScaleNom
MethodIB
ClassMICRO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.73

Consumer names

HIV 1 antibody band pattern, Blood

Part names

HIV 1 Ab band patternImpPtSerNomIBImpression/interpretation of studyPoint 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 13499-9 | HealthAssure