Fungal Antibodies by CF with Reflex to Blastomyces dermatitidis Antibodies by Immunodiffusion

Abbrev Code:FUNGAR   
Order Code:LAB8010Order Name:Fungal Antibodies
Synonyms:Fungus; Fungal Antibodies by CF
Methodology:Complement fixation, enzyme-linked immunosorbent assay, immunodiffusion.
CPT Codes: 86606 x1, 86612 x1, 86635 x1, 86698 x2, 86612 x1
Test Includes:Aspergillus Antibody, Coccidiodes Antibody, Histoplasma Mycelia Antibody, Histoplasma Yeast Antibody by CF. Blastomyces Antibody by EIA with reflex to immunodiffusion.
Turnaround Time:Specimens are sent to the reference laboratory Mon-Sat; results are reported within 3-7 days.
Special Instructions:Parallel testing is preferred. Label samples as acute or convalescent. Convalescent specimens must be received within 30 days from receipt of the acute specimens.

Collection Instructions

Optimal Volume:2 mL
Minimum\Peds Volume:1.4 mL
Container:Red or gold (gel)
Alternate Containers: Red (no gel)
Causes for Rejection:Hemolyzed, contaminated, or severely lipemic specimens.

Processing and Shipping

Specimen Processing:Within 2 hours of collection, centrifuge and aliquot 1 mL, 0.6 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:48 hours at room temperature; 2 weeks refrigerated; 1 year frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:3000235


Reference Range:
Aspergillus Ab Less than 1:8 titer
Coccidioides Ab Less than 1:2 titer
Histoplasma Mycelia By report
Histoplasma Yeast By report
Blastomyces dermatitidis
Antibodies by EIA
0.9 IV or less: Negative
1.0-1.4 IV: Equivocal
1.5 IV or greater: Positive
Blastomyces dermatitidis
Antibodies by Immunodiffusion
None detected
Negative fungal serology does not rule out the possibility of current infection. If Blastomyces antibodies are equivocal or positive by EIA, then Blastomyces Immunodiffusion will be added.

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