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Test Code UHSTGM Histoplasma Antigen, Urine

Additional Codes

 

MAYO Test ID

UHIST

EPIC Test ID

LAB4488

 

Useful For

Aids in the diagnosis of Histoplasma capsulatum infection

 

Monitoring Histoplasma antigen titers in urine

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
FMVHU MVista Histoplasma Ag, U No No

Testing Algorithm

If antigen test is indeterminate, the specimen will be sent to Mira Vista Laboratories and histoplasma antigen will be performed at an additional charge.

Reporting Name

Histoplasma Ag, U

Specimen Type

Urine


Specimen Required


Supplies: Aliquot tube, 5-mL (T465)

Container/Tube: Plastic, 5-mL aliquot tube (T465)

Specimen Volume: 3 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.

3. Excessively bloody or very turbid specimens containing protein, cells, or particulates will be cancelled as they can inhibit the function of the test.

4. Centrifuging to remove particulates is not approved.

5. Specimens with any dyes or unnatural color are not acceptable and will be cancelled.


Specimen Minimum Volume

2.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Urine Refrigerated (preferred) 14 days
  Frozen  14 days

Reject Due To

Hemolysis

Mild reject; Gross reject

Lipemia

NA

Icterus

NA

Other

Turbid reject, colored reject

Reference Values

HISTOPLASMA ANTIGEN RESULT

Negative

 

HISTOPLASMA ANTIGEN VALUE

Negative: 0.00-0.10

Indeterminate: 0.11-0.49

Positive: ≥0.50

Day(s) and Time(s) Performed

Monday through Saturday, 9 a.m

Analytic Time

Same day/1 day

Performing Laboratory

Mayo Medical Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

87385-X 2 (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
UHIST Histoplasma Ag, U 44524-7

 

Result ID Test Result Name Result LOINC Value
HISTQ Histoplasma Ag Result 44524-7
DEXHU Histoplasma Ag Value 13971-7

Method Name

Enzyme Immunoassay (EIA)