California Encephalitis Virus Antibody (IgG, IgM), IFA, Serum

Test Code

37310

CPT Codes
86651 (x2)

Preferred Specimen

1 mL serum

Minimum Volume

0.1 mL

Transport Container

Transport tube

Transport Temperature

Room temperature

Specimen Stability

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

Methodology
Immunofluorescence Assay (IFA)

Setup Schedule

Mon-fri

Report Available

2-5 days

Limitations

May be negative in early stages of infection.

Reference Range

See Laboratory Report

Clinical Significance

IgG titers ≥1:16 suggest exposure (either past or recent), while the presence of IgM indicated recent infection.

Performing Laboratory

Quest Diagnostics Nichols Institute-San Juan Capistrano, CA

33608 Ortega Highway

San Juan Capistrano, CA 92675-2042

Last Updated: November 6, 2024

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.