C3a desArg Fragment

Test Code

31192

CPT Codes
86161<br /> **Restricted use** This code is available for client #58705 only.

Preferred Specimen

1 mL plasma collected in an EDTA (lavender-top) tube [x2]

Minimum Volume

0.5 mL [x2]

Transport Temperature

Frozen

Specimen Stability

Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 21 days

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

Thawed Plasma

Methodology
Immunoassay

FDA Status
This test was performed using a kit that has not been cleared or approved by the FDA. The analytical performance characteristics of this test have been determined by Quest Diagnostics. This test should not be used for diagnosis without confirmation by other medically established means.

Setup Schedule

Night Sets up 1 day a week.

Report Available

Reports in 3 to 10 days.

Clinical Significance

C3a desArg is elevated in acute lyme disease due to tick bites infected with the spirochete B. bugdorferi. Elevated levels of C3a have also been reported in patients with acute pancreatitis, systemic lupus, and adult respiratory distress syndrome.

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.