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Amylase/Creatinine ratio panel, urine
Test CodeAMYLASE/CREATININE RATIO PANEL, URINE
Alias/See Also
Chemistry
Includes
Urine amylase
Urine creatinine
Amylase/Creatinine ratio
Urine creatinine
Amylase/Creatinine ratio
Preferred Specimen
Random urine
Minimum Volume
5 mL
Instructions
The Provider should also order a SERUM AMYLASE and SERUM CREATININE to be collected simultaneously with the urine. All four test results are needed to calculate the Urine Amylase/Creatinine Clearance Ratio.
Transport Temperature
Refrigerate
Specimen Stability
Room temperature: 2 days
Refrigerated (2-8°C): 6 days
Frozen (-20°C or colder): >3 weeks, up to 6 months
Refrigerated (2-8°C): 6 days
Frozen (-20°C or colder): >3 weeks, up to 6 months
Methodology
Enzymatic-DS
Setup Schedule
Daily
Report Available
TAT 1 day
Reference Range
Test | Reference range | Units |
Amylase | 0 - 14 | Units/L |
Creatinine | Not established | mg/dL |
Amylase/Creatine ratio | 2 - 5 | % |
Clinical Significance
Urinary amylase is useful in the consideration of macroamylasemia and pseudocyst of the pancreas. With macroamylasemia, only the serum concentration is elevated. With pseudocysts, the urinary concentration remains elevated for weeks after an episode of acute pancreatitis.
Performing Laboratory
Test performed in these BACL Chemistry Labs
Contact: Jonathan Dryjowicz-Burek, West Roxbury 857-203-5973
Alternate contact Joseph A. Manzone, JP 857-364-5092
Last Updated: May 17, 2022