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Amylase24hurcrate

Published: August 9, 2026Updated: August 16, 2026

This test measures the amount of amylase enzyme in your urine collected over 24 hours to help evaluate pancreatic function.

Quick summary

{"Amylase is an enzyme that helps digest carbohydrates, produced by the pancreas and salivary glands","The 24-hour urine collection measures how much amylase your kidneys filter out","Elevated levels may indicate pancreatitis, pancreatic obstruction, or other pancreatic disorders","You will need to collect all urine in a special container for 24 hours","Results help doctors diagnose and monitor pancreatic conditions"}

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
1800-2
Short code
Amylase 24h Ur-cRate
Synonyms
Amylase 24h Ur-cRate
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Ref low
20
Ref high
400
Critical range
— – 500 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
82670
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

What is this test?

The 24-hour urine amylase test measures the amount of amylase enzyme in your urine over a 24-hour period. Amylase is produced primarily by the pancreas and salivary glands, and it plays a crucial role in breaking down carbohydrates in your food. This test helps doctors evaluate how well your pancreas is functioning and whether there are any abnormalities in enzyme production or excretion.

Why is it important?

The pancreas is a vital organ that produces digestive enzymes, including amylase. When the pancreas becomes inflamed or damaged, it releases more amylase into the bloodstream, which then gets filtered by the kidneys and appears in urine. By measuring amylase in urine collected over 24 hours, doctors can get a more accurate picture of pancreatic function than they would from a single urine sample.

How to collect your urine sample

For this test, you will need to collect all urine you produce over a 24-hour period. Your healthcare provider will give you a special container. Start by urinating into the toilet at the beginning of the collection period, noting the exact time. For the next 24 hours, collect all urine in the provided container. Store the container as directed (usually in a cool place or refrigerator). At the end of 24 hours, urinate one last time and add that sample to the container. Return the container to your lab as instructed.

Are there any risks?

This test involves no physical risks. It is simply a urine collection process. The main challenge is remembering to collect every urine sample during the 24-hour period. If you miss a sample or forget to start on time, inform your healthcare provider, as the test may need to be repeated for accurate results.

Reference range

Premenopausal: 20-400 pg/mL; Postmenopausal: <30 pg/mLN/A

Specimen: urine

No special preparation usually required. Stay well hydrated. Inform your healthcare provider of all medications and supplements you are taking.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Frequently asked questions

Do I need to fast before the test?
Typically, no fasting is required for a urine amylase test. However, follow any specific instructions given by your healthcare provider. You should drink normal amounts of fluids unless otherwise directed.
What happens if I forget to collect a urine sample during the 24-hour period?
If you miss a sample, note the time and try to collect the next one. Do not try to make up for missed samples by collecting extra at the end. Contact your healthcare provider or lab to discuss whether you need to restart the collection process.
How long will it take to get results?
Results are usually available within a few days, but this may vary by laboratory. Your healthcare provider will contact you with results or discuss them at your follow-up appointment.
Can medications affect the test results?
Certain medications can affect amylase levels, including some diuretics (water pills), aspirin, and certain blood pressure medications. Inform your doctor about all medications and supplements you are taking before the test.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy