LOINCActiveBoth
LOINC Code 29650-9: R. honei Ab IF (S) [Titer]
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 Rickettsia honei 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
- Rickettsia honei Ab [Titer] in Serum by Immunofluorescence
- Rickettsia honei Ab
- ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; Dilution factor; Dilution Factor (Titer); FA; FISF; Flinders island spotted fever; Fluorescent antibody; Fluoresent; ID; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Infectious Disease; InfectiousDisease; Microbiology; Point in time; R honei; Random; Ricket; Rickettsial; Serum; SmQn; Spotted fever; 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.
Related SNOMED CT concepts
Related observations and tests
Common synonyms
R. honei Ab IF (S) [Titer]Rickettsia honei Ab [Titer] in Serum by ImmunofluorescenceR honei Ab Titr Ser IFRickettsia honei AbMICRORickettsia honei antibody, BloodTitr
Frequently asked questions
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.