amylase in urine
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Reference interval
- Urine: 32- 641 U/L (2 hr specimens)
Principle
- see amylase in serum & urine
Clinical significance
- macroamylasemia may result in fluctuating serum amylase levels from normal to grossly elevated, while urine amylase is normal
Increases
- pancreatitis
- pancreatic pseudocyst
- parotitis
- intestinal obstruction
- intestinal infarction
- other causes of hyperamylasemia
Decreases
Specimen
No special patient preparation is necessary.
Urine: Collect timed or random specimens by standard laboratory procedures. Timed specimens are preferred: DO NOT USE URINE CONTAINING CHELATING AGENTS. (e.g. Citrates, Oxalates, or EDTA)
Special Precautions:
Urine: Refrigerate specimen during collection & keep refrigerated until analysis. Do not freeze urine specimen. Analyze as soon as possible after collection.
Do not use urine specimens that contain glacial acetic acid, concentrated hydrochloric acid, or urine preservative tablets containing hexamethylenetetramine & mercuric oxide.
Minimum sample size 0.5 milliliters with an optimum size of 1.0 milliliter or larger.
More general terms
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Additional terms
Component of
References
- ↑ Kodak Ektachem 700 Analyzer Operator's Manual, Kodak Clinical Products, Rochester, New York.
- ↑ Kodak Ektachem Slide Package Inserts, Kodak Clinical Products Rochester, New York.
- ↑ Kodak Ektachem Training Manual, Kodak Clinical Products, Rochester, New York.
- ↑ Clinical Diagnosis & Management by Laboratory Methods, 19th edition, J.B. Henry (ed), W.B. Saunders Co., Philadelphia, PA. 1996, pg 10.
- ↑ Panel of 7 tests Laboratory Test Directory ARUP: http://www.aruplab.com/guides/ug/tests/0020471.jsp