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HelpTest Code AAT Alpha-1-Antitrypsin
Additional Codes
| Epic Ordering Code | LAB810 |
| NBS code | LBC03823 |
| Service code | 31925 |
Specimen Requirements
Submit the following:
| Container: |
| Red Top |
Processing Requirements
Allow specimen to clot for 30 mins and centrifuge within 2 hrs
Specimen Type: Serum
Volume: 0.5 mL
Storage/transport requirements: Refrigerated
Specimen Stability
| Specimen Type | Serum |
|---|---|
| Ambient | Not available |
| Refrigerate | 5 days (Preferred) |
| 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
National University Hospital
Client Services, 67724912
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.
Update
Last updated 29/06/2026
LOINC Code Information
1825-9
Alias
Anti-Alpha-1-Trypsin
Prolastin