LOINCActiveBoth

LOINC Code 20845-4: Bovine herpesvirus 1 Ab IA Ql (S)

20845-4 is a LOINC code used to identify Bovine herpesvirus 1 Ab IA Ql (S) 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 Bovine herpesvirus 1 Ab. 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 Bovine herpesvirus 1 Ab. 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: Both
  • Method: IA

What it does not mean

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

Key facts

  • Bovine herpesvirus 1 Ab [Presence] in Serum by Immunoassay
  • Bovine herpesvirus 1 Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Beef; BHV1; BoHV; BoHV1; BOHV-1; Bovine herpes virus; EIA; ELFA; ELISA; Enzyme immunoassay; Herpes virus; i; IAA; IBR; ID; Infectious bovine rhinotracheitis; Infectious Disease; Infectious pustular vulvovaginitis; InfectiousDisease; MEIA; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR; SUDS; 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

Bovine herpesvirus 1 Ab IA Ql (S)Bovine herpesvirus 1 Ab [Presence] in Serum by ImmunoassayBoHV1 Ab Ser Ql IABovine herpesvirus 1 AbMICROBovine Herpesvirus 1 antibody, BloodPrThr

Frequently asked questions

Code details

Code20845-4
SystemLOINC
Display nameBovine herpesvirus 1 Ab IA Ql (S)
DescriptionBovine herpesvirus 1 Ab
Short nameBoHV1 Ab Ser Ql IA
ComponentBovine herpesvirus 1 Ab
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIA
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.67

Consumer names

Bovine Herpesvirus 1 antibody, Blood

Part names

Bovine herpesvirus 1 AbPrThrPtSerOrdIAPresence or ThresholdPoint 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.

LOINC Code 20845-4 | HealthAssure