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HelpTest Code AAT Alpha-1-Antitrypsin
Laboratory Code
LAB810
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 | 2 days |
| Frozen | 3 months |
Methodology
Immunoturbidimetry
Days and Times Performed
Thursday, TAT 8 days
Specimen Condition
| Gross Haemolysis | Alert/Reject |
|---|---|
| Icterus | OK |
| Lipaemia | OK |
| Others | Not applicable |
Reference Interval
90 – 200 mg/dL
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
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
LOINC Code Information
1825-9
Alias
Anti-Alpha-1-Trypsin
Prolastin
Update
Last updated 10/03/2025