ARUP's Laboratory Test Directory

Histoplasma Antigen Detection EIA, Urine : 2006110

Mnemonic: HISTO AG U

Methodology: Qualitative Enzyme Immunoassay
Performed: Sun-Sat
Reported: 1-2 days
Specimen Required: Collect: Random urine.

Specimen Preparation: Transfer 2 mL urine to an ARUP Standard Transport Tube.

Storage/Transport Temperature: Refrigerated.

Stability (collection to initiation of testing): Ambient: Unacceptable; Refrigerated: 2 weeks; Frozen: 2 weeks (avoid repeated freeze/thaw cycles)
Reference Interval:
Negative - Less than 2.0 EIA Units

Positive -  greater than or equal to 2.0 EIA Units
Interpretive Data: This EIA test should be used in conjunction with other diagnostic procedures, including microbiological culture, histological examination of biopsy samples, and/or radiographic evidence, to aid in the diagnosis of histoplasmosis. The magnitude of the measured result above the cutoff is not indicative of the total amount of antigen present.
CPT Code(s): 87385