LOINCActiveBoth

LOINC Code 29683-0: R. prowazekii Ab Ql (S)

29683-0 is a LOINC code used to identify R. prowazekii Ab 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 Rickettsia prowazekii 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 prowazekii 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 prowazekii Ab [Presence] in Serum
  • Rickettsia prowazekii Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Brill-zinsser disease; Epidemic typhus; ID; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; R prowazek; R prowazekii; Random; Recrudescent typhus; Ricket; Rickettsial; Screen; Serum; Sporadic typhus; SR; Typhus

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

R. prowazekii Ab Ql (S)Rickettsia prowazekii Ab [Presence] in SerumR prowazek Ab Ser QlRickettsia prowazekii AbMICRORickettsia prowazekii antibody, BloodPrThr

Frequently asked questions

Code details

Code29683-0
SystemLOINC
Display nameR. prowazekii Ab Ql (S)
DescriptionRickettsia prowazekii Ab
Short nameR prowazek Ab Ser Ql
ComponentRickettsia prowazekii Ab
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.03
Last changed2.56

Consumer names

Rickettsia prowazekii antibody, Blood

Part names

Rickettsia prowazekii AbPrThrPtSerOrdPresence or ThresholdPoint 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.

LOINC Code 29683-0 | HealthAssure