A1AT

Test investigation

A1AT

Laboratory offering test

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

1.10 – 2.10 g/L