Laboratory: Clinical Immunology
Test Name:
ALPHA-1-ANTITRYPSIN - (S)
Test Code: AATD
Clinical Information:
Request under "Additional Tests". 
Measurement of alpha1-antitrypsin aids in the diagnosis of juvenile and adult cirrhosis of the liver.  Alpha1-antitrypsin deficiency has been associated with neonatal respiratory distress syndrome, severe protein-losing disorders, and pulmonary emphysema.
Collection Devices:
Specimen Required:
Serum: 0.5 mL


Serum: 0.5 mL

DO NOT FREEZE SPECIMENS.  Frozen specimens will be rejected.
Referral:
Requisition:
Reference Values:
0.900 - 2.00 g/L 
 
Availability:
Weekdays
TAT - 2 days
See Also:
More Information:
If sample requirements are met, patients with quantitative results below 0.900 g/L will be sent to In-Common Laboratories for Proteotype testing.  If the mass spectrometry proteotype and quantitative serum levels are discordant, phenotyping will be added and reported.
DO NOT FREEZE SPECIMENS.  Frozen specimens will be rejected.