What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 56916-0: C. burnetii IgM spec 2 IF Qn (S)

Name: LOINC Code 56916-0: C. burnetii IgM spec 2 IF Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:38.264Z

56916-0 is a LOINC code used to identify C. burnetii IgM spec 2 IF Qn (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 Coxiella burnetii Ab.IgM^2nd specimen. 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 Coxiella burnetii Ab.IgM^2nd specimen. 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: IF

What it does not mean

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

Key facts

Coxiella burnetii IgM Ab [Units/volume] in Serum by Immunofluorescence --2nd specimen
Coxiella burnetii Ab.IgM^2nd specimen
ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Arbitrary concentration; Autoantibodies; Autoantibody; C burnet; C burnetii; Convalescent; Coxiella burnettii; FA; Fluorescent antibody; Fluoresent; ID; IFA; Immune fluorescence; Immune globulin M; Immunoflour; Immunofluor; Immunofluorescence; Immunoglobulin M; Infectious Disease; InfectiousDisease; Microbiology; Point in time; Post immunization; Q fev; Q fever; Qfever; QNT; Quan; Quant; Quantitative; Random; Second; Serum; sp2; Spec; SR; Time Resolved Fluorescence; TRF

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

C. burnetii IgM spec 2 IF Qn (S)Coxiella burnetii IgM Ab [Units/volume] in Serum by Immunofluorescence --2nd specimenC burnet IgM sp2 Ser IF-aCncCoxiella burnetii Ab.IgM^2nd specimenMICROCoxiella burnetii IgM antibody specimen 2, BloodACnc

Frequently asked questions

Code details

Code56916-0

SystemLOINC

Display nameC. burnetii IgM spec 2 IF Qn (S)

DescriptionCoxiella burnetii Ab.IgM^2nd specimen

Short nameC burnet IgM sp2 Ser IF-aCnc

ComponentCoxiella burnetii Ab.IgM^2nd specimen

PropertyACnc

TimingPt

System (specimen)Ser

ScaleQn

MethodIF

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.29

Last changed2.69

Consumer names

Coxiella burnetii IgM antibody specimen 2, Blood

Part names

Coxiella burnetii Ab.IgM^2nd specimenACncPtSerQnIFArbitrary ConcentrationPoint in time (spot)SerumImmunofluorescence (IF)

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.