LOINCActiveBoth

LOINC Code 20689-6: B. caballi Ab CF Ql (S)

20689-6 is a LOINC code used to identify B. caballi Ab CF 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 Babesia caballi Ab. It is commonly used with the system or sample type Ser.

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 Babesia caballi 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: Comp fix

What it does not mean

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

Key facts

  • Babesia caballi Ab [Presence] in Serum by Complement fixation
  • Babesia caballi Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; B caballi; Babesia cabellii; Babesiosis; CF; Comp fixation; Compfix; Complement fixation; ID; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Piroplasmosis; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR; 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

B. caballi Ab CF Ql (S)Babesia caballi Ab [Presence] in Serum by Complement fixationB caballi Ab Ser Ql CFBabesia caballi AbMICROBabesia caballi antibody, BloodPrThr

Frequently asked questions

Code details

Code20689-6
SystemLOINC
Display nameB. caballi Ab CF Ql (S)
DescriptionBabesia caballi Ab
Short nameB caballi Ab Ser Ql CF
ComponentBabesia caballi Ab
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodComp fix
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Babesia caballi antibody, Blood

Part names

Babesia caballi AbPrThrPtSerOrdComp fixPresence or ThresholdPoint in time (spot)SerumComplement fixation

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 20689-6 | HealthAssure