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Test ID FHSAG MVista Histoplasma Ag Quantitative, Spinal Fluid

Method Name

Enzyme Immunoassay (EIA)

Reporting Name

MVista Histoplasma Ag, CSF

Specimen Type

CSF

2 mL of spinal fluid. Send specimen in a plastic, screw-capped vial refrigerated.

Specimen Minimum Volume

0.8 mL

Specimen Stability Information

Specimen Type Temperature Time
CSF Refrigerated (preferred) 14 days
  Ambient  14 days
  Frozen 

Reference Values

Reference interval:         None Detected

 

Results reported as ng/mL in 0.4 – 19 ng/mL range

 

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

 

Results above 19.0 ng/mL are reported as 'Positive, Above the Limit of Quantification'.

Cautions

Interfering Substances & Cross-Reactivities:

Sputolysin, sodium hydroxide and potassium hydroxide treatment degrade the analyte detected in the assay. Cross-reactions are seen with blastomycosis, paracoccidioidomycosis, penicilliosis, less frequently in coccidioidomycosis, rarely in aspergillosis, and possibly sporotrichosis.

Day(s) Performed

Monday through Friday

Report Available

2 days

Performing Laboratory

MiraVista Diagnostics

Test Classification

This test was developed and its performance characteristics determined by MiraVista Diagnostics. It has not been cleared or approved by the FDA; however, FDA clearance or approval is not currently required for clinical use. The results are intended to be used as the sole means for clinical diagnosis or patient management decisions.

CPT Code Information

87385

NY State Approved

Yes