Name: Smooth Muscle Ab
Test Name: Smooth Muscle Ab
Health Link Test Code: XSMOO
LIS Test Code: ASMA
CPT Code(s): 86255
Methodology: Indirect Fluorescence
Associated with chronic active hepatitis. Note that many other chronic immune diseases or liver infections are associated with anti-smooth muscle antibodies, typically in low titer.
Days Performed: Mon-Fri, dayshift.
In-Lab Turnaround Time: 2 - 4 days.
Stat In-Lab Turnaround Time: Not available stat.
Collection Container: Red top
Also Acceptable: Red cap with yellow ring (SST)
Collection Volume: 3 mL
Pediatric Collection Volume: 1 mL
No limit at -20°C; avoid repeat freeze and thaw.
Sample Analyzed: Serum
Testing Volume: 1 mL
Pediatric Testing Volume: 0.2 mL
Centrifuge. Transfer cell-free serum to plastic vial. Refrigerate.
Transport specimen to Laboratory. Transport with coolant pack if coming from clinic location.
Grossly hemolyzed and lipemic specimens are not recommended.
Normal Smooth Muscle Ab (0 days and up): Negative