LOINC Code 20574-0: H. capsulatum yeast phase Ab CF (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 Histoplasma capsulatum yeast phase 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: Comp fix

What it does not mean

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

Key facts

• Histoplasma capsulatum yeast phase Ab [Titer] in Serum by Complement fixation
• Histoplasma capsulatum yeast phase Ab
• ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; CF; Comp fixation; Compfix; Complement fixation; Dilution factor; Dilution Factor (Titer); H capsul; H capsul Yst; H capsulatum; H farciminosum; Histo; Histopl; Histoplasma farciminosum; Histoplasmos; Histoplasmosis; ID; Infectious Disease; InfectiousDisease; Microbiology; Point in time; Random; Serum; SmQn; SR; Titer; Titered; Titre; 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

Frequently asked questions