Alpha-1-Antitrypsin Phenotype (Includes Alpha-1-Antitrypsin)
0080500
Ordering Recommendation
Determine specific AAT protein variant(s) in individual with decreased concentration of AAT (<90mg/dL).
Mnemonic
A1A PHENO
Methodology
Qualitative Isoelectric Focusing/Immunoturbidimetry
Performed
Sun-Sat
Reported
2-4 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
- Patient Preparation
- Collect
- Serum separator tube 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
- Remarks
- Stability
- After separation from cells: Ambient: 1 week; Refrigerated: 3 months; Frozen: 3 months (avoid repeated freeze/thaw cycles)
Reference Interval
Test Number | Components | Reference Interval |
---|---|---|
0050001 | Alpha-1-Antitrypsin | Effective November 17, 2014 90-200 mg/dL |
  | A1A Phenotype | By report |
Interpretive Data
Note
Interpret with caution if the patient has been transfused within the previous 21 days.
Hotline History
N/A
CPT Code(s)
82104; 82103
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0050001 | Alpha-1-Antitrypsin | 1825-9 |
0099005 | A1A Phenotype | 32769-2 |
Aliases
- a-1-Antitrypsin, Phenotype
- A1A genotyping/phenotyping reflex
- 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