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| 82070:ALPHA-1-ANTITRYPSIN, STOOL | |||||||||
| Alias Names: | Soft-A1AF / Antitrypsin, Feces | ||||||||
| Methodology: | Nephelometry (NEPH) | ||||||||
| Edit Date: | 8/18/2010 | ||||||||
| Performed: | Monday-Saturday | ||||||||
| Released: | 48 hours after setup at PeaceHealth Laboratories’ reference lab | ||||||||
| CPT Code: | 82103-90 | ||||||||
| Specimen Collection Details | |||||||||
| Collection: | Entire 24-hour stool collection in a pre-weighed Mayo stool collection container. If no specimen obtained in 24 hours, extend collection to 48-72 hours and note time frame. | ||||||||
| Handling: | Freeze. | ||||||||
| Standard Volume: | Random specimen will be accepted for testing, but the reference values will not apply. | ||||||||
| Transport: | Frozen on dry ice. | ||||||||
| Comments: | Useful for diagnosing protein-losing enteropathies, especially when used in conjunction with serum A1A levels as a part of A1A clearance studies. See also: Antitrypsin Clearance, Stool and Serum (80450). | ||||||||
| Reference Range: | |||||||||||||||||||
| ≤ 54 mg/mL
Patients with protein-losing enteropathies generally A1A stool concentrations >100 mg/mL. |
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