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Fungal Antibodies, ID

Fungal Antibodies by Immunodiffusion 

Test Codes

EPIC: LAB6032, Beaker: XFGID, ARUP #50164

Department

Send Outs

Instructions

This assay includes: Aspergillus ssp Abs, Precipitin, Blastomyces dermatitidis Abs, Precipitin, Coccidioides by Immunodiffusion, serum, Histoplasma ssp Abs, Precipitin.

Specimen Collection Criteria

Collect: One Gold-top SST tube.
Also acceptable: One plain Red-top tube. 

Physician Office/Draw Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within two hours of collection. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Preparation for Courier Transport

Transport: 1.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.4 mL)

Rejection Criteria

• Other body fluids
• Contaminated specimens
• Hemolyzed specimens
• Icteric specimens
• Lipemic specimens
• Specimens not collected and processed as indicated.

In-Lab Processing

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within two hours of collection. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Transport: 1.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.4 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 48 hours
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 1 year

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to ARUP Laboratories, Salt Lake City, UT.

Performed

Sunday – Friday.
Results available in 3-5 days.

Reference Range

Components	Reference Range
Aspergillus ssp Abs, Precipitin	None detected
Blastomyces dermatitidis Abs, Precipitin	None detected
Coccidioides by Immunodiffusion, Serum	None detected
Histoplasma ssp Abs, Precipitin	None detected

Test Methodology

Immunodiffusion.

Interpretation

Negative fungal serology does not rule out the possibility of current infection.

Clinical Utility

This assay aids in the diagnosis of an infection with Aspergillus, Blastomyces, Coccidioides, and Histoplasma.

CPT Codes

86606, 86612, 86635, 86698.

Contacts

Last Updated

10/27/2022