Laboratory Medicine
Test catalogue
Alpha-1-Antitrypsin Clearance, Feces + Serum | |
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Test nameAlpha-1-Antitrypsin Clearance, Feces + Serum |
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Specimen Type / RequirementsContainer Type = Collection kit from Core Lab Minimum Testing Volume = Entire Collection |
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Specimen HandlingCollection Instructions: Obtain fecal collection kit from Core Lab and submit entire 24-hour collection. If no specimen is obtained in 24 hours, extend collection to 48 to 72 hours. Ensure both collection container and requisition are correctly labelled. Note: Blood sample for Alpha-1-Antitrypsin must be drawn during the fecal collection period. Write your "start" and "end" date and time of collection on the collection label or requisition. Laboratory Staff Instructions: Feces and serum must be submitted together. Do not use A1ATR code for serum if clearance (serum & faeces) is ordered. Use MISCS for both serum and faeces and send samples together. Store and send frozen. No approval required. Stability: Faeces Stability: Room Temperature: 14 days. Refrigerated: 14 days. Frozen: 14 days. Sample Rejection Criteria: Leaking or unlabeled specimen will be rejected. Transportation: Send sample to SMH core lab as soon as possible. |
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Required Documentation |
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Turnaround Time (TAT)6 Days |
Test Utilization |
Reference ValueClearance: ≤27 mL/24 h Fecal A1AT: ≤54 mg/dL Serum A1AT: 100 - 190 mg/dL |
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Test CodeUse MISCS for both faeces and serum |
MethodologyNephelometry |
Testing LocationReferred Out – ON, Canada (ROICL02) |
Other InformationLast Updated: February 12, 2020
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