Amylases2cfrserpl

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

A blood test that measures the level of amylase, an enzyme mainly produced by the pancreas and salivary glands.

Quick summary

{"Amylase is a digestive enzyme that breaks down starch and carbohydrates","This test helps diagnose pancreatic disorders such as pancreatitis","Elevated levels may indicate pancreatic inflammation, blockage, or other conditions","The test is performed on a blood sample (serum)","Results are typically available within the same day"}

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

Key facts at a glance

LOINC: 15024-3
Short code: Amylase S2 CFr SerPl
Synonyms: Amylase S2 CFr SerPl
Category: chemistry
Sample: serum
Container: Red-top tube (SST)
Units: N/A
Critical range: — – 500 N/A
Fasting: false
Population: adult
Sex: all
Age range: 18–65 years
Specimen volume: 5 mL
Stability: Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max: 500
Lipemia max: 1000
Icterus max: 500
TAT: 4–24 hours
Order: routine

What is this test?

The serum amylase test measures the amount of amylase in your blood. Amylase is a digestive enzyme produced primarily by the pancreas (pancreatic amylase) and salivary glands (salivary amylase). This enzyme helps your body break down carbohydrates and starches into simpler sugars for digestion. When the pancreas or salivary glands are damaged or inflamed, amylase is released into the bloodstream in higher than normal amounts, which can be detected through this blood test.

Why is this test performed?

This test is primarily ordered to evaluate pancreatic function and diagnose conditions affecting the pancreas. It is commonly used when patients experience symptoms such as severe abdominal pain, nausea, vomiting, or loss of appetite, which may indicate pancreatic problems. The test can help confirm or rule out acute pancreatitis, chronic pancreatitis, pancreatic cancer, or pancreatic duct obstruction. It may also be used to monitor patients with known pancreatic conditions or to evaluate the effectiveness of treatment.

How is the test performed?

The test requires a simple blood draw. A healthcare professional will clean the injection site (usually on your arm), insert a needle to collect a blood sample, and then apply pressure to stop any bleeding. The sample is then sent to a laboratory for analysis. No special preparation is typically required, though your doctor may ask you to fast for a certain period before the test. The procedure takes only a few minutes and is generally well-tolerated with minimal discomfort.

Understanding your results

Normal amylase levels vary by laboratory, but typical reference ranges are between 23 and 85 U/L (units per liter). Elevated levels may indicate acute pancreatitis, chronic pancreatitis, pancreatic duct blockage, pancreatic cancer, gallbladder disease, or kidney problems. Low amylase levels are less common but can occur with pancreatic insufficiency, liver disease, or certain genetic conditions. Your doctor will interpret your results in the context of your symptoms, medical history, and other test results.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Frequently asked questions

Do I need to fast before the amylase test?

Fasting is not typically required for a serum amylase test, but your healthcare provider may instruct you to fast for 8-12 hours depending on other tests being performed simultaneously. Always follow your doctor's specific instructions.

How long does it take to get results?

Results are usually available within the same day or within 1-2 business days, depending on the laboratory. Your healthcare provider will contact you with the results or discuss them at your follow-up appointment.

Are there any risks associated with this test?

The risks are minimal and include slight pain or bruising at the injection site, lightheadedness, and in rare cases, infection. These risks are generally mild and temporary.

What can cause false-normal amylase levels in acute pancreatitis?

In some cases of acute pancreatitis, especially if the test is done more than 48-72 hours after symptom onset, amylase levels may have already returned to normal. Additionally, certain conditions like hypertriglyceridemia (high blood fat levels) can interfere with the test results. Your doctor may order additional tests such as lipase for confirmation.

Can medications affect amylase levels?

Yes, certain medications can affect amylase levels. Drugs that can increase amylase include corticosteroids, diuretics, birth control pills, and some pain medications. Always inform your doctor about all medications and supplements you are taking before the test.

Sources

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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