Amylase Isoenzymes
| Abbrev Code: | ARMISC | ||
| Order Code: | LAB4909 | Order Name: | Amylase Isoenzymes |
| Methodology: | Enzymatic | ||
| CPT Codes: | 82150 x2 | ||
| Test Includes: | Total amylase, pancreatic and salivary amylase | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Sat; results are reported within 1-2 days. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2 mL |
| Minimum\Peds Volume: | 1.2 mL |
| Container: | Red or gold (gel) Alternate Containers: Green (lithium heparin, gel), Green (sodium heparin, no gel), Red (no gel) |
| Causes for Rejection: | Hemolysis |
Processing and Shipping
| Specimen Processing: | Allow specimen to clot completely. Centrifuge and aliquot 1 mL, 0.5 mL minimum within 2 hours of collection. Store in freezer. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | After separation from cells: 1 week at room temperature; 1 month refrigerated or frozen. |
| Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
| Referral Lab number: | 20804 |
Interpretive
| Reference Range: |
** Reference range not provided by reference laboratory.
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| Use: | Fractionation of amylase is sometimes used to distinguish acute pancreatitis (p-amylase) from the other conditions which are characterized predominantly by salivary (s-amylase) elevations. Acute non-pancreatic conditions, which may also elevate amylase levels, include: parotitis, peritonitis, small intestine obstruction, perforated peptic ulcer, rupture of a tubal pregnancy, contraction of the sphincter of Oddi following morphine administration and mesenteric thrombosis. | ||||||||||
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