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HelpTest Code LAB4074 AMYLASE/CREATININE RATIO
Additional Codes
Test Code - Blood: 469
Test Code - Urine: 470
PERFORMED AT
SBH LABORATORY
HDH LABORATORY
Specimen Requirements
Container Type: Lithium Heparin (Green Top) or
Serum Separator (Gold Top) AND Sterile Urine Container
Specimen Type: Plasma or Serum AND Urine,
random
Preferred Volume: 1 mL plasma or serum; 5 mL
random urine
Emergency Minimum Volume: 0.3 mL plasma or serum;
1 mL random urine
Collection Procedure: Collect a blood sample
AND Collect a random urine specimen in leakproof plastic urine
container with no additives.
Specimen Processing: Separate serum or plasma from
cells as soon as possible by centrifugation. Store and transport
refrigerated. Aliquot a random urine specimen. Store and
transport refrigerated. Centrifuge aliquots before testing.
Unacceptable Conditions: Urine specimens contaminated with fecal material
Stability:
| Temperature | Time |
|---|---|
| Room Temp | Blood: 7 days; Urine: 2 days |
| Refrigerated | Blood: 7 days; Urine: 6 days |
| Frozen (-20 øC) | Blood and Urine: Unacceptable |
Method
Enzymatic colorimetric
Synonyms
Urine Amylase/Creat Ratio, Blood Amylase/Creat Ratio
CPT Codes
82150, 82565, 82570
Department
Chemistry
Test Schedule
Daily & STAT
Test Includes
Amylase, Urine, U/L; Creatinine, Urine, mg/dL; Amylase,blood mg/dL; Creatinine mg/dL. Amylase/Creatinine, Ratio.
Reference Lab
SCHS