Smooth Muscle Antibody with Reflex to Titer : 263

Test Code

SMUSAB or 263

Alias/See Also

Anti-Smooth Muscle Antibody, Muscle, Smooth Antibody , SM Muscle Antibody

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: 86015).

Transport Container

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

Setup Schedule

Monday - Friday

Report Available

1-4 days

Reference Range

Smooth Muscle Ab Screen: Negative
Smooth Muscle Ab Titer: <1:20

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
med fusion

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.