LOINCActiveBoth

LOINC Code 6400-6: E. canis Ab IA Ql (S)

6400-6 is a LOINC code used to identify E. canis 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 Ehrlichia canis 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 Ehrlichia canis 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

  • Ehrlichia canis Ab [Presence] in Serum by Immunoassay
  • Ehrlichia canis Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; E canis; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR; SUDS; Tropical canine pancytopenia

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

E. canis Ab IA Ql (S)Ehrlichia canis Ab [Presence] in Serum by ImmunoassayE canis Ab Ser Ql IAEhrlichia canis AbMICROEhrlichia canis antibody, BloodPrThr

Frequently asked questions

Code details

Code6400-6
SystemLOINC
Display nameE. canis Ab IA Ql (S)
DescriptionEhrlichia canis Ab
Short nameE canis Ab Ser Ql IA
ComponentEhrlichia canis Ab
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIA
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0f
Last changed2.56

Consumer names

Ehrlichia canis antibody, Blood

Part names

Ehrlichia canis 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 6400-6 | HealthAssure