LOINCActiveBoth

LOINC Code 27951-3: C. burnetii phase 1 Ab IF (S) [Titer]

27951-3 is a LOINC code used to identify C. burnetii phase 1 Ab IF (S) [Titer] 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 phase 1 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 Coxiella burnetii phase 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: IF

What it does not mean

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

Key facts

  • Coxiella burnetii phase 1 Ab [Titer] in Serum by Immunofluorescence
  • Coxiella burnetii phase 1 Ab
  • ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; C burnet; C burnet Ph1; C burnetii; Coxiella burnetii phase I; Coxiella burnettii; Dilution factor; Dilution Factor (Titer); FA; Fluorescent antibody; Fluoresent; i; ID; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Infectious Disease; InfectiousDisease; Microbiology; Point in time; Q fev; Q fever; Qfever; Random; Serum; SmQn; SR; Time Resolved Fluorescence; Titer; Titered; Titre; TRF; Ttr

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 phase 1 Ab IF (S) [Titer]Coxiella burnetii phase 1 Ab [Titer] in Serum by ImmunofluorescenceC burnet Ph1 Ab Titr Ser IFCoxiella burnetii phase 1 AbMICROCoxiella burnetii phase 1 antibody, BloodTitr

Frequently asked questions

Code details

Code27951-3
SystemLOINC
Display nameC. burnetii phase 1 Ab IF (S) [Titer]
DescriptionCoxiella burnetii phase 1 Ab
Short nameC burnet Ph1 Ab Titr Ser IF
ComponentCoxiella burnetii phase 1 Ab
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodIF
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.75

Consumer names

Coxiella burnetii phase 1 antibody, Blood

Part names

Coxiella burnetii phase 1 AbTitrPtSerSemiQnIFTiterPoint 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.

LOINC Code 27951-3 | HealthAssure