Test/Investigation
A1AT
Site(s) or Laboratory offering Test/Investigation
NNUH
Units
g/L
Indications
Measurement of AAT is indicated in the investigation of chronic obstructive airway disease, emphysema and in neonatal and adult liver disease where low concentrations may have diagnostic importance. Note: A1AT is an acute phase protein and may rise during infection and mask an underlying deficiency.
Comments/Precautions
Low alpha-1 regions on electrophoresis will prompt a request for an A1AT level.
Sample type
Serum
Turnaround times (TAT) Urgent/Routine/GP or OPD
2 working days
Reference intervals (adult unless stated)
0.9 – 2.0 g/L
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