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HelpTest Code A1AT Alpha-1-Antitrypsin
Performing Laboratory
| Memorial Hospital Laboratory- Automated Procedures | 304-388-5953 |
Specimen Requirements
Serum- SST gold top, red top
Allow SST or red top to completely clot
Spin and physically separate serum from contact with cells as soon as possible
4 mL of serum (minimum 2 mL)
Specimen Rejection
- Improperly labeled, collected, stored, and transported
- Quantity not sufficient
- Hemolyzed
- Moderate lipemic
Storage and Stability
| Room temperature 15-30oC | 8 hours |
| Refrigerated 2-8oC | 1 week |
| Frozen <-20oC | 2 months |
Reference Values
90 - 200 mg/dL
Methodology
Photometric assay
Days Test Set Up and Turnaround
Monday through Sunday, Continuously
| AM Collection | Expected by 9AM same day |
| Routine | Expected within 24 hrs |
| Stat | Expected within 1 hr |
| Timed | Expected results are test dependant |
CPT Coding
82103