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ALPHA 1 ANTITRYPSIN

Message

This is a SERUM only test; cannot use anticoagulated plasma.



Test Code
AAT


CPT Codes
82103

Preferred Specimen
1 Gold tube (gel separator)


Minimum Volume
0.5 mL serum


Instructions

Centrifuge for complete separation of serum and red cells. Separate and refrigerate until tested.



Transport Temperature

Refrigerate or frozen



Specimen Stability

2-8°C up to 7 days; Frozen up to 2 months



Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Hemolyzed or lipemic samples interfere



Methodology

Immunoturbidimetric



Setup Schedule
M, T, W, Th, F, Sa, Sun


Reference Range

84 - 218 mg/dL



Clinical Significance

Measures the proteinase inhibitor that inhibits particularly the serine proteases. This is a SERUM only test; cannot use anticoagulated plasma.



Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab  
NCHB1 (Chemistry, Beckman AU)


Last Updated: April 25, 2023


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.