LOINC Code 104444-5: R. prowazekii IgG spec 2 IA (S) [Titer]

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.IgG^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: IA

What it does not mean

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

Key facts

• Rickettsia prowazekii IgG Ab [Titer] in Serum by Immunoassay --2nd specimen
• Rickettsia prowazekii Ab.IgG^2nd specimen
• ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Brill-zinsser disease; Convalescent; Dilution factor; Dilution Factor (Titer); EIA; ELFA; ELISA; Enzyme immunoassay; Epidemic typhus; IAA; Immune globulin G; Immunoglobulin G; MEIA; Microbiology; Point in time; Post immunization; R prowazek; R prowazekii; Random; Recrudescent typhus; Ricket; Rickettsial; Second; Serum; SmQn; sp2; Spec; Sporadic typhus; SR; SUDS; Titer; Titered; Titre; Ttr; 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

Frequently asked questions