LOINC Code 53931-2: H. capsulatum Ag IA Qn (CSF)

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 Ag. It is commonly used with the system or sample type CSF.

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

• Histoplasma capsulatum Ag [Units/volume] in Cerebral spinal fluid by Immunoassay
• Histoplasma capsulatum Ag
• Antigen; Antigens; Arbitrary concentration; Cerebral spinal fluid; Cerebrospinal Fl; EIA; ELFA; ELISA; Enzyme immunoassay; H capsul; H capsulatum; H farciminosum; Histo; Histopl; Histoplasma farciminosum; Histoplasmos; Histoplasmosis; IAA; ID; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Neuro; Neurology; Point in time; QNT; Quan; Quant; Quantitative; Random; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; SUDS

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