The University of Iowa (UIHC)
Department of Pathology
LABORATORY SERVICES HANDBOOK

Alpha-1-Antitrypsin Phenotyping
Order Code: A1AP
Epic Lab Code: LAB2564
Order Form: A-1a Miscellaneous Request or Epic Req 		  Commercial "Mail-out" Laboratory
6240 RCP
356-3527 
Specimen:
 
Serum
Collection Medium:
Red top tube 


Minimum:


Adult Minimum:  1 mL serum required
Absolute Minimum:  0.3 mL
Pediatric Minimum:  0.3 mL


Rejection Criteria:


Hemolyzed specimens


Analytic Time:


1 week


Reference Range:


Components              Reference Interval
Alpha-1-Antitrypsin     100-200 mg/dL
Phenotype               by report


Comments:


Alpha-1-Antitripysin total will also be performed.


Test
Limitations:


Interpret with caution if the patient has been transfused within the 
previous 21 days.


Methodology:


Isoelectric Focusing/Immunoturbidimetric


CPT Code:


82103 Alpha-1-Antitrypsin, Total; 82104 Alpha-1-Antitrypsin, Phenotype




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Updated: 02/18/2009

Note: The information contained in this handbook is  
            for use by personnel of University of Iowa Health Care. 
            No other use is implied or intended.