Histoplasma Antibody, Complement Fixation, CSF [5297X]

Test Code

CPT Codes
86698 (x2)

Yeast Phase Antibody and Mycelial Phase Antibody

Preferred Specimen
1 mL CSF collected in a sterile leak-proof container

Minimum Volume
0.5 mL

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days

Complement Fixation (CF)

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
Set up: Tues-Sat a.m.; Report available: 3-6 days

Reference Range
Yeast Phase Antibody <1:1
Mycelial Phase Antibody <1:1

Clinical Significance
Central nervous system infection occurs in up to 25% of patients with subacute progressive disseminated histoplasmosis. Detection of antibodies in CSF can serve as a useful tool for identifying these patients.

Performing Laboratory
Quest Diagnostics Infectious Disease, Inc.
33608 Ortega Highway, Bldg B-West Wing
San Juan Capistrano, CA 92675-2042

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.