LOINCActiveObservation

LOINC Code 33665-1: HTLV I+II Ab band pattern RIPA (S) [Interp]

33665-1 is a LOINC code used to identify HTLV I+II Ab band pattern RIPA (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 HTLV I+II 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 HTLV I+II 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: RIPA

What it does not mean

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

Key facts

  • HTLV I+II Ab band pattern [Interpretation] in Serum by Radioimmunoprecipitation assay (RIPA)
  • HTLV I+II Ab band pattern
  • 2; Ab Patrn; ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Bands; bnd; HTLV type 1+2; HTLV type I+II; Human T-cell Leukemia Virus; Human T-cell Lymphotrophic Virus; ID; Impression; Impression/interpretation of study; Impressions; Infectious Disease; InfectiousDisease; Interp; Interpretation; Microbiology; Nominal; Patrn; Point in time; Radioimmunoprecipitation assay; Random; Serum; SR

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

HTLV I+II Ab band pattern RIPA (S) [Interp]HTLV I+II Ab band pattern [Interpretation] in Serum by Radioimmunoprecipitation assay (RIPA)HTLV I+II Ab Patrn Ser RIPA-ImpHTLV I+II Ab band patternMICROHTLV I+II antibody band pattern, BloodImp

Frequently asked questions

Code details

Code33665-1
SystemLOINC
Display nameHTLV I+II Ab band pattern RIPA (S) [Interp]
DescriptionHTLV I+II Ab band pattern
Short nameHTLV I+II Ab Patrn Ser RIPA-Imp
ComponentHTLV I+II Ab band pattern
PropertyImp
TimingPt
System (specimen)Ser
ScaleNom
MethodRIPA
ClassMICRO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.09
Last changed2.52

Consumer names

HTLV I+II antibody band pattern, Blood

Part names

HTLV I+II Ab band patternImpPtSerNomRIPAImpression/interpretation of studyPoint in time (spot)SerumRadioimmunoprecipitation assay (RIPA)

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 33665-1 | HealthAssure