SMOOTH MUSCLE AB

Test Code
LAB8037


Alias/See Also
  • F-ACTIN
  • f actin


CPT Codes
86256

Includes
Test includes titer


Preferred Specimen
Gold Tube (SST)


Patient Preparation
None

Minimum Volume
1 mL
 


Instructions
Centrifuge for complete separation of serum from red cells. Refrigerate until tested. 


Transport Container
Gold Tube


Transport Temperature
Refrigerate


Specimen Stability
  • 15-30°C up to 8 hours
  • 2-8°C up to 2 days; otherwise freeze


Methodology
IFA

Setup Schedule
M, W, F

Batched; once per day run


Report Available
Same day tested unless repeat testing is needed. 


Reference Range
<1:20


Clinical Significance
Smooth muscle antibodies are detected in 85% of chronic active hepatitis cases and in < 50% of primary biliary cirrhosis cases. They are usually negative in extrahepatic biliary obstruction, drug induced liver disease, viral hepatitis and hepatoma.


Performing Laboratory
Alverno Central Lab



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.