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:
Phenotyping is performed primarily: a) To detect neonates with liver disease due to PiZZ; this is clinically similar to that caused by biliary atresia, which may require urgent surgical intervention. b) To detect AAT deficiency in older patients with lung disease. c) Family studies with a view to pre-natal diagnosis (in conjunction with genotyping).
Specimen container paediatric:
EDTA plasma or serum SST
Specimen container adult:
EDTA plasma or serum SST
Minimum volume paediatric:
2 mL blood
Minimum volume adult:
2 mL blood
Special requirements:
Store sample at 4°C
Transport requirements:
Post at room temperature
Availability:
Sample sent to an external laboratory for analysis
Interpretation:
Provided on report