Smooth Muscle Antibody with Reflex to Titer

Test Code

SMATR

Alias/See Also

Epic: LAB8846
Quest: 263

CPT Codes
86015

Includes

If Smooth Muscle Antibody Screen is positive, then Smooth Muscle Antibody Titer will be performed at an additional charge (CPT code(s): 86015).

Preferred Specimen

0.5 mL serum

Minimum Volume

0.1 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

Methodology
Immunofluorescent Assay (IFA)

Setup Schedule

Set up: Mon, Tues, Thurs-Sat; Report available: 3-4 days

Reference Range

Negative

Clinical Significance

Smooth muscle antibodies are detected in 85% of patients with chronic active hepatitis and in less than 50% of patients with primary biliary cirrhosis. Smooth muscle antibodies are usually negative in extrahepatic biliary obstruction, drug induced liver disease, viral hepatitis and hepatoma.

Performing Laboratory
Quest Diagnostics Nichols Inst San Juan Capistrano
33608 Ortega Highway
San Juan Capistrano, CA 92690-6130

Last Updated: April 7, 2023
Last Review: N. Wolford, April 7, 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.