Turnaround times
The quoted turnaround time is from sample receipt in the laboratory, to results authorisation in the Laboratory Information Management system. The times do not include transport of specimen to the laboratory or the administrative process to print and post/email reports. Service users must allow for transport and reporting time when ordering tests.
Clinical background:
Smooth Muscle Antibody (SMA) are present in high titre in 50-70% of patients with autoimmune hepatitis.
Specimen container paediatric:
Serum-Plain tube
Specimen container adult:
Serum-SST
Minimum volume paediatric:
0.5 ml
Minimum volume adult:
1 ml
Special requirements:
None
Freq analysis:
Daily
Add on test:
All urgent add ons via telephone on 0191 2821890, and must be confirmed via email to [email protected]
Quality assurance:
UK NEQAS for General Autoimmune Serology
Interpretation:
None
Reference ranges:
Normal Adult Range: <1/80
Other info:
Smooth Muscle Antibody (SMA) are reported as part of the Liver Autoantibodies assay. They are reported either as Negative or as the titre (dilution) at which the SMA is last seen as positive.