Fungal Serology

Message

The fungal immunodiffusion test is a simple and reliable tool for the evaluation of suspected mycoses.

Test Code

FUN

Alias/See Also

Fungal Immunodiffusion,

CPT Codes
86606-91; 86612; 86635; 86698

Includes

Histoplasma capsulatum antibody, Blastomyces dermatitis antibody, Coccidioides immitis antibody, Aspergillus fumigatus antibody

Preferred Specimen

SERUM

Minimum Volume

1 ml

Other Acceptable Specimens

none

Instructions

FUNGAL SEROLOGY - FASTING PATIENT

Transport Container

RED/1

Transport Temperature

Specimen may be stored at 2-8 degrees C for up to 72 hours.

Specimen Stability

2-8 C for 72 hours; Specimen may be stored up to 6 months at -20C or below.

Methodology
MAN

Setup Schedule

Tuesday and Friday

Report Available

Tuesday and Friday, Report available: 3 days

Limitations

Cross reacting antibodies may be present.

Reference Range

negative; A negative results does not rule out the presence of the fungal agent.

Clinical Significance

The Fungal Immunodiffusion System is an in vitro determination of precipitating antibodies to four systemic fungal pathogens: Histoplasma capsulatum (pulmonary disease associated with bird droppings), Blastomyces dermatitidis(pulmonary disease-cough, hemoptysis), Coccidioides immitis (San Joaquin Fever, valley fever) and Aspergillus fumigatus (pneumonitis or allergic bronchopulmonary disease).

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.