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Laboratory Test Directory

Smooth Muscle Antibody Titer

Components

Name Method Department Units
Anti-Smooth Muscle Titer Immunofluorescent assay
CMI, Immunology Titer

Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No Gel

3 mL 3 mL
Stability

Room temperature - 1 hour(s)
Refrigerated - 1 week(s)

Specimen Preparation

  • Ship entire specimen to laboratory refrigerated
  • Collect by venipuncture
  • Allow to clot completely at room temperature
  • Transport to laboratory as soon as possible

Serum Spun

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No Gel

3 mL 3 mL
Stability

Refrigerated - 1 week(s)
Frozen - 12 month(s)

Specimen Preparation

  • Collect by venipuncture
  • Allow to clot completely at room temperature
  • Transport to laboratory as soon as possible
  • Centrifuge within 1 hour, separate supernatant and refrigerate

Reasons for Rejection

  • Wrong collection tube
  • Capillary specimen
  • Bacterial contamination
  • Gross hemolysis
  • Gross lipemia

Comments

The reference range is less than 1:20 (TTL20)

Commonly ordered with Mitochondrial Antibody and Parietal Cell Antibody. Only 1 collection tube is required for all 3 tests. Positive screens will be titered.

CPT Code

  • 86256