Coccidioides Antibody (IgG), Immunodiffusion, Serum

Test Code

908

Alias/See Also

1230800018 | LAB1927: Coccidioides Antibody by ID | QUEST EAP: 908

CPT Codes
86635

Preferred Specimen

1 mL serum

Minimum Volume

0.2 mL

Transport Container

Transport tube

Transport Temperature

Room temperature

Specimen Stability

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

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Grossly icteric • Grossly lipemic

Methodology
Immunodiffusion (ID)

Setup Schedule

Set up: Mon, Wed, Fri, Sat; Report available: 3-6 days

Limitations

False-negatives may occur in patients with solitary pulmonary lesions. Patients with active histoplasmosis may generate cross reactions. Elevated serum antibodies may be present in patients with meningeal coccidiocomycosis.

Reference Range

Negative

Clinical Significance

Infection by Coccidioides immitis can produce a spectrum of disease with most patients being asymptomatic and some developing disseminated disease including pneumonia and meningitis.

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

Last Updated: April 21, 2023

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.