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Test Code SMMUS Smooth Muscle Antibodies

Important Note

If positive, results are titered

Performing Laboratory

Memorial Hospital- Virology Laboratory                304-388-9618

Specimen Requirements

Serum-Plain Red Top Tube

Draw 4 ml (minimum 2 mL) blood 

Allow sample to clot naturally before centrifugation

Centrifuge and remove serum within 8 hours of collection    

Specimen Rejection

  • Improperly labeled, collected, stored, and transported
  • Quantity not sufficient
  • Hemolyzed serum
  • Serum subject to repeat freeze thaw cycles

Storage and Stability

Room Temperature               Up to 8 hours
Refrigerate > 8 hours prior to testing                      
Frozen > 5 days before testing

Reference Values

<20

 

Interpretation

Titers < 80 may be seen in patients with primary biliary cirrhosis or chronic hepatitis from viral infections or alcohol intake.

Titers > 80 are most commonly found in patients with autoimmume chronic active hepatitis.

Methodology

Indirect Immunofluorescence

Days Test Set Up and Turnaround

Monday, Wednesday, Friday, 8:00AM Start Time

Results available same day as testing performed

CPT Coding

86256