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 22473-3: Rickettsia (Proteus OXK) Ab (S) [Titer]

Name: LOINC Code 22473-3: Rickettsia (Proteus OXK) Ab (S) [Titer]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

22473-3 is a LOINC code used to identify Rickettsia (Proteus OXK) Ab (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 Rickettsia (Proteus OXK) 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 Rickettsia (Proteus OXK) 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

What it does not mean

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

Key facts

Rickettsia (Proteus OXK) Ab [Titer] in Serum
Rickettsia (Proteus OXK) Ab
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Dilution factor; Dilution Factor (Titer); ID; Infectious Disease; InfectiousDisease; Microbiology; Point in time; Random; Ricket; Rickettsial; Serum; SmQn; SR; Titer; Titered; Titre; Ttr; Weil felix agglutination test

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

705114005SNOMED CT mapping for Rickettsia (Proteus OXK) Ab (S) [Titer] (22473-3)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Rickettsia (Proteus OXK) Ab (S) [Titer]Rickettsia (Proteus OXK) Ab [Titer] in SerumProteus OXK Ab Titr SerRickettsia (Proteus OXK) AbMICRORickettsia (Proteus OXK) antibody, BloodTitr

Frequently asked questions

Code details

Code22473-3

SystemLOINC

Display nameRickettsia (Proteus OXK) Ab (S) [Titer]

DescriptionRickettsia (Proteus OXK) Ab

Short nameProteus OXK Ab Titr Ser

ComponentRickettsia (Proteus OXK) Ab

PropertyTitr

TimingPt

System (specimen)Ser

ScaleSemiQn

ClassMICRO

Example unitstiter

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0n

Last changed2.75

Consumer names

Rickettsia (Proteus OXK) antibody, Blood

Part names

Rickettsia (Proteus OXK) AbTitrPtSerSemiQnTiterPoint in time (spot)Serum

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.