Clinics and Departments

Laboratory Services

Lab Dept:

Serology

Test Name:

HISTOPLASMA ANTIGEN, URINE

General Information

Lab Order Codes:

UHIAG

Synonyms:

Histoplasma Ag, Urine; Histoplasma Polysaccharide Antigen

CPT Codes:

87385 - Infectious agent antigen detection by enzyme immunoassay technique. Qualitative or semiquantitatinve multiple step method; Histoplasma capsulatum

Test Includes:

Histoplasma antigen result reported in ng/mL.

Logistics

Test Indications:

Patients having lived in or visited an endemic area may indicate possible exposure.

Lab Testing Sections:

Serology - Sendouts

Referred to:

Mayo Medical Laboratories forward to Mira Vista Diagnostics, Indianapolis, IN (Test# 90019/FHSU)

Phone Numbers:

Minneapolis:

Saint Paul:

 

612-813-6280

651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

4 days, test set up Monday – Friday.

Special Instructions:

N/A

Specimen

Specimen Type:

Urine, random
(Note: The sensitivity of antigen detection is greater using urine over serum.)

Container:

Urine Cup or other leakproof container

Draw Volume:

Submit entire random urine specimen

Processed Volume:

2 mL (Minimum: 0.5 mL) urine from a random urine collection

Collection:

Random or catheterized urine collection

Special Processing:

Lab Staff: Refrigerate specimen and send refrigerated to reference lab. Do Not use preservatives for collection.

Patient Preparation:

None

Sample Rejection:

Specimens other than urine; mislabeled or unlabeled specimens

Interpretive

Reference Range:

Reference Interval: None detected
Results are reported as ng/mL in 0.4 – 19 ng/mL

Results above the limit of detection but below 0.4 ng/mL are reported as “Positive, Below the Limit of Quantification”.

Results above 19 ng/mL are resported as “Positive, Above the Limit of Quantification”.

Critical Values:

N/A

Limitations:

N/A

Methodology:

Enzyme Immunoassay (EIA)

References:

Mayo Medical Laboratories Web Page April 2012

Mira Vista Diagnostics Laboratories, Indianapolis, IN, 2012

Updates:

3/25/2004: Test moved from a direct referral to Mira Vista Diagnostics to a forward to the same laboratory through Mayo Medical Laboratories,
3/1/2007: Result changed units, previously reported at EIA Units. Note reference range changes.
4/1/2012: Reference range change.



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