ASMA, SMA (Smooth Muscle Antibodies)
Up to 5 days
Indirect Immunofluorescence Assay (IFA)
Negative: <1:20
Please note that serum is the only acceptable sample type; any other sample type will be rejected.
Accredited NRL Laboratory
2 times per week
Anti-smooth muscle antibodies (ASMA) detected by indirect immunofluorescence (IFA) support the diagnosis of Autoimmune Hepatitis, particularly type 1. ASMA testing aids differentiation from other causes of chronic liver injury and is interpreted alongside liver enzymes, antinuclear antibodies (ANA; NRL Code: 43008), IgG levels (NRL Code: 1103215) and clinical findings to guide diagnosis and patient management.
Serum
1 mL
Serum (SST; Gold Top or plain serum; Red Top)
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Refrigerated | 2 days at 2 to 8°C |
| Frozen | 7 days at -20°C |