Alpha-1-Antitrypsin Phenotype (Includes Alpha-1-Antitrypsin)

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Example Reports
Abnormal
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Additional Technical Information

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.

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)

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

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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)