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Epic Code LAB848 MVista Histoplasma Ag Quantitative, Spinal Fluid

Important Note

Order as Reference Miscellaneous #LAB848; indicate complete test name when ordering.

Additional Codes

Mayo Code: FHSAG

Reporting Name

MVista Histoplasma Ag, CSF

Performing Laboratory

MiraVista Diagnostics

Specimen Type

Laboratory Test Directory Note:

Lab Central Staff: All CSF specimens to Hematology first.

Specimen Required

Specimen Type: Spinal Fluid

Sources: CSF

Container/Tube: Sterile container

Specimen Volume: 2 mL

Collection Instructions:  Collect 2 mL of spinal fluid (CSF). Ship refrigerated. 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 Special Container
CSF Refrigerated (preferred) 14 days
  Ambient  14 days

Reject Due To

Hemolysis NA
Lipemia NA
Icterus NA
Other Specimen that is too viscous to pipette. Tissue, biopsy, sputum, bronchial brush, tracheal aspirate, FNA, bone marrow aspirate, stool or samples in transport media, fixative or Isolator tubes

Day(s) Performed

Monday through Saturday



Reference Values

Reference interval:        None Detected


Reportable Range: Positive Results reported in ng/mL from 0.20 ng/mL to 20.00 ng/mL.


Positive Results above 20.00 ng/mL are reported as “Above the Limit of Quantification”.


 Interfering Substances & Cross-Reactivities:

Sodium hydroxide and sputolysin. Cross-reactivity occurs between blastomycosis and histoplasmosis and in paracoccidioidomycosis, penicillosis, coccidioidomycosis, aspergillosis and porotrichosis.


Method Name

Enzyme Immunoassay (EIA)

Report Available

1 to 8 days

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


LOINC Code Information

Test ID Test Order Name Order LOINC Value
FHSAG MVista Histoplasma Ag, CSF 51754-0


Result ID Test Result Name Result LOINC Value
Z1722 Result: 51754-0
Z1034 Interpretation Not Provided