Test Code AAT Alpha-1-Antitrypsin
Specimen Requirements
Specimen Type: Serum
Container/Tube: Red Top (Plain)
Volume: 5.0 mL
Minimum Volume: 0.5 mL serum
Collection Instructions: Allow specimen to clot for 30 mins and centrifuge within 2 hrs
Specimen Stability
| Specimen Type | Serum |
|---|---|
| Ambient | Not available |
| Refrigerate | 5 days |
| Frozen | 3 months |
Specimen Condition
| Gross Haemolysis | Alert / Reject |
|---|---|
| Icterus | OK |
| Lipaemia | OK |
| Others | Not applicable |
Methodology
Immunoturbidimetry
Days and Times Performed
Thursday, TAT 8 days
Reference Interval
0.9 - 2.0 g/L
Testing Laboratory
Department of Pathology
Singapore General Hospital
Outram Road
Singapore 169608
63214950
Useful For
Acute phase reactant. Detection of inherited AAT deficiency states, which can genetically predispose patients to chronic obstructive lung and liver disease.
Service Code
31925
Update
Last updated 01/10/2025
Laboratory Code
LAB810
LOINC Code Information
1825-9
Alias
Anti-Alpha-1-Trypsin
Prolastin