Coccidioides Ab, Total, Serum, ID and CF

Test Code

LAB5210464

Quest Code

15240

CPT Codes
86635, 86317

Preferred Specimen

1 mL serum

Minimum Volume

0.3 mL

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 lipemic • Grossly icteric

Methodology
Complement Fixation (CF) • 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

Coccidioides Ab, CF, Serum	<1:2
Coccidioides Ab (IgG), ID, Serum	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

33608 Ortega Highway

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.