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0080500
Alpha-1-Antitrypsin Phenotype (Includes Alpha-1-Antitrypsin)
A1A PHENO
Ordering Recommendation
Determine specific AAT protein variant(s) in individual with decreased concentration of AAT (<90mg/dL).
New York DOH Approval Status
This test is New York state approved.
Specimen Required
Patient Preparation
Collect
Serum Separator Tube (SST) or Plain Red.
Specimen Preparation
Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.3 mL)
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Grossly hemolyzed specimens.
Remarks
Stability
After separation from cells: Ambient: 1 week; Refrigerated: 3 months; Frozen: 3 months (avoid repeated freeze/thaw cycles)
Methodology
Qualitative Isoelectric Focusing/Immunoturbidimetry
Performed
Sun-Sat
Reported
2-4 days
Reference Interval
| Test Number |
Components |
Reference Interval |
|---|---|---|
| Alpha-1-Antitrypsin | 90-200 mg/dL |
Interpretive Data
Compliance Category
FDA
Note
Interpret with caution if the patient has been transfused within the previous 21 days.
Hotline History
N/A
CPT Codes
82104; 82103
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0050001 | Alpha-1-Antitrypsin | 1825-9 |
| 0099005 | A1A Phenotype | 32769-2 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- a-1-Antitrypsin, Phenotype
- A1A Phenotype
- A1A Phenotyping
- A1A reflex
- AAT deficiency
- AAT Phenotype
- AAT Phenotyping
- AAT Reflex
- Alpha 1 Antitrypsin
- Antitrypsin
- Antitrypsin, Phenotype
- Pi Typing
- Protease Inhibitor Allo Typing
- Protease Inhibitor Typing
Alpha-1-Antitrypsin Phenotype (Includes Alpha-1-Antitrypsin)
