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Test Code WHEAT MVista Histoplasma Antigen Quantitative, Urine

Clinical Indications

310

Additional Test Codes

Epic Order Name: HISTOPLASMA AG-URINE RANDOM (aka WHEAT)
Sunquest Order Code: WHEAT
Epic Px Code: LAB6058

Specimen Collection Type

Random urine submitted in a sterile screw cap container (e.g. culture cup)

Minimum Collection Volume

0.5 mL

Reference Range

Reference interval: None Detected

•Positive Below the Limit of Quantification: Results above the cutoff for positivity, but below 0.4 ng/mL fall outside the linear range of the assay. These results are positive, but not accurately quantifiable.
•Positive: 0.4-19.0 ng/mL
•Positive Above the Limit of Quantification: Results greater than 19.0 ng/mL fall outside the linear range of the assay. These results are positive, but not accurately quantifiable.

Critical Value

N/A

Interpretation

The MVista® histoplasma quantitative antigen test aids the diagnosis of histoplasmosis. Monitoring the histoplasmosis helps determine when treatment can be stopped and to diagnose relapse.

Rejection Criteria

If specimen is too viscous to pipette
Stored in Transport Media, Fixative or Isolator Tubes

Specimen Availability for Add-on Testing

1 day

Specimen Stability

Room temperature: 2 weeks
Refrigerated: 2 weeks
Frozen: Indefinitely

Day(s) Performed

Monday-Friday

Performing Lab - Department

TUKHS-BH-Mail Outs

CPT Code

87385

LOINC Code

N/A

Test Alias

Histoplasma capsulatum Antigen, Urine

Additional Information / Notes

The result is not intended to be used as the sole means for the clinical diagnosis or patient management decisions.
•Cross-reactions are seen with blastomycosis, paracoccidioidomycosis, penicilliosis, less frequently in coccidioidomycosis, rarely in aspergillosis and possibly sporotrichosis.
•Sputolysin, sodium hydroxide and potassium hydroxide treatment degrade the analyte detected in the assay.