LOINCActiveBoth

LOINC Code 29821-6: Trivittatus virus Ab (Specimen) [Titer]

29821-6 is a LOINC code used to identify Trivittatus virus Ab (Specimen) [Titer] 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 Trivittatus virus Ab. It is commonly used with the system or sample type XXX.

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 Trivittatus virus Ab. It is commonly used with the system or sample type XXX.

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

What it does not mean

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

Key facts

  • Trivittatus virus Ab [Titer] in Specimen
  • Trivittatus virus Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Dilution factor; Dilution Factor (Titer); ID; Infectious Disease; InfectiousDisease; Microbiology; Misc; Miscellaneous; Other; Point in time; Random; SmQn; Spec; Titer; Titered; Titre; To be specified in another part of the message; Ttr; TVTV; Unspecified

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

Trivittatus virus Ab (Specimen) [Titer]Trivittatus virus Ab [Titer] in SpecimenTVTV Ab Titr SpecTrivittatus virus AbMICROTrivittatus virus antibody, SpecimenTitr

Frequently asked questions

Code details

Code29821-6
SystemLOINC
Display nameTrivittatus virus Ab (Specimen) [Titer]
DescriptionTrivittatus virus Ab
Short nameTVTV Ab Titr Spec
ComponentTrivittatus virus Ab
PropertyTitr
TimingPt
System (specimen)XXX
ScaleSemiQn
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.04
Last changed2.75

Consumer names

Trivittatus virus antibody, Specimen

Part names

Trivittatus virus AbTitrPtXXXSemiQnTiterPoint in time (spot)

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 29821-6 | HealthAssure