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HelpTest ID SMAT Smooth Muscle Antibody Titer, Serum
Specimen Required
Only orderable as part of a reflex. For more information see SMAS / Smooth Muscle Antibody Screen, Serum.
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.8 mL
Collection Instructions: Centrifuge and aliquot serum into plastic vial
Useful For
Antibody titer testing as a part of evaluating patients with chronic liver disease in whom the diagnosis of chronic active autoimmune hepatitis is suspected
Method Name
Only orderable as part of a reflex. For more information see SMAS / Smooth Muscle Antibody Screen, Serum.
Indirect Immunofluorescence
Reporting Name
Smooth Muscle Ab Titer, SSpecimen Type
SerumSpecimen Minimum Volume
0.4 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 21 days |
| Frozen | 21 days |
Reference Values
Only orderable as part of a reflex. For more information see SMAS / Smooth Muscle Antibody Screen, Serum.
Negative
Reference values apply to all ages.
Day(s) Performed
Monday through Saturday
Report Available
2 to 4 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| SMAT | Smooth Muscle Ab Titer, S | 5358-7 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 608956 | Smooth Muscle Ab Titer, S | 5358-7 |
CPT Code Information
86015
Testing Algorithm
If the smooth muscle antibody (SMA) screen is equivocal or positive, then the SMA titer will be performed at an additional charge.