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HelpTest Code LAB810 Alpha-1-Antitrypsin (AAT), Serum/Plasma
Additional Codes
45043
Reporting Title
A1AT
Methodology
Immunoturbidimetric Assay
Measurement of AAT aids in the diagnosis of juvenile and adult cirrhosis of the liver. AAT deficiency has been associated with neonatal respiratory distress syndrome, severe protein-losing disorder, and pulmonary emphysema.
Note: This assay is not intended to detect carrier status or distinguish genotypes associated with AAT deficiency.
Performing Laboratory
OhioHealth Laboratory Services-RMH Special Testing
Specimen Requirements
Draw blood in a gold-top serum gel tube(s). (Green-top [heparin] tube or lavender-top [EDTA] tube is also acceptable.) Spin down and send 1 mL of specimen refrigerated.
Note: A speckled-top serum gel tube (s) or a plain, red-top tube(s) is also acceptable.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum or plasma | Refrigerated | 3 months |
| Ambient | 7 days | |
| Frozen | 3 months |
Specimen Transport Temperature
Refrigerate/Ambient OK/Frozen OK
Reference Values
76-190 mg/dL
Day(s) Test Set Up
Monday through Friday day and evening shift
Saturday day shift only
Test Classification and CPT Coding
82103