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HelpOrderable Name AAT Alpha-1-Antitrypsin, Serum
Additional Codes
CNE Order Code: Antitrypsin
Useful For
Workup of individuals with suspected disorders such as familial chronic obstructive lung disease
Diagnosing alpha-1-antitrypsin deficiency
Testing Algorithm
For more information see Alpha-1-Antitrypsin-A Comprehensive Testing Algorithm.
Specimen Type
SerumSpecimen Required
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 28 days | |
| Ambient | 28 days | ||
| Frozen | 28 days |
Special Instructions
Reference Values
100-190 mg/dL
Day(s) Performed
Monday through Friday
CPT Code Information
82103
Report Available
1 to 3 daysReject Due To
| Gross hemolysis | OK |
| Gross lipemia | Reject |
| Gross icterus | OK |
Method Name
Nephelometry