LOINCActiveObservation

LOINC Code 86926-3: Transmissible gastroenteritis virus Ab/Negative control IA (S) [Relative ratio]

86926-3 is a LOINC code used to identify Transmissible gastroenteritis virus Ab/Negative control IA (S) [Relative ratio] 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 Transmissible gastroenteritis virus Ab/Negative control. 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 Transmissible gastroenteritis virus Ab/Negative control. 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: IA

What it does not mean

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

Key facts

  • Transmissible gastroenteritis virus Ab/Negative control in Serum by Immunoassay
  • Transmissible gastroenteritis virus Ab/Negative control
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Coronavirus; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; Infectious Disease; InfectiousDisease; MEIA; Microbiology; NEG; Point in time; QNT; Quan; Quant; Quantitative; Random; Relative ratio; Serum; SR; SUDS; TGEV; Transmissible gastroenteritis; Vet; Veterinary

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

Transmissible gastroenteritis virus Ab/Negative control IA (S) [Relative ratio]Transmissible gastroenteritis virus Ab/Negative control in Serum by ImmunoassayTGEV Ab Ser IATransmissible gastroenteritis virus Ab/Negative controlMICROTransmissible Gastroenteritis virus/Negative Control, BloodRelRto

Frequently asked questions

Code details

Code86926-3
SystemLOINC
Display nameTransmissible gastroenteritis virus Ab/Negative control IA (S) [Relative ratio]
DescriptionTransmissible gastroenteritis virus Ab/Negative control
Short nameTGEV Ab Ser IA
ComponentTransmissible gastroenteritis virus Ab/Negative control
PropertyRelRto
TimingPt
System (specimen)Ser
ScaleQn
MethodIA
ClassMICRO
Example unitsratio
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.63
Last changed2.63

Consumer names

Transmissible Gastroenteritis virus/Negative Control, Blood

Part names

Transmissible gastroenteritis virus Ab/Negative controlRelRtoPtSerQnIARelative RatioPoint in time (spot)SerumImmunoassay

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.