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HelpTest Code LAB1234622 Smooth Muscle Antibody Screen, Serum
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Specimen Volume: 0.8 mL
Collection Instructions: Centrifuge and aliquot serum into plastic vial
Forms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
-General Request (T239)
Useful For
Evaluation of patients with hepatitis of unknown origin associated with hypergammaglobulinemia and/or abnormal liver enzymes
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| SMAT | Smooth Muscle Ab Titer, S | No | No |
Testing Algorithm
If smooth muscle antibody (SMA) screen is positive, then the SMA titer will be performed at an additional charge.
Reporting Name
Smooth Muscle Ab Screen, SSpecimen Type
SerumSpecimen Minimum Volume
0.4 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 21 days | |
| Frozen | 21 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | OK |
| Heat-Treated | Reject |
Reference Values
Negative
Reference values apply to all ages.
Specimen Retention Time
14 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
86015
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| SMAS | Smooth Muscle Ab Screen, S | 26971-2 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 609515 | Smooth Muscle Ab Screen, S | 26971-2 |
Day(s) Performed
Monday through Saturday