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Quantitative Serum Amylase Level

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

This test measures the amount of amylase, an enzyme produced by your salivary glands and pancreas, in your blood serum. Amylase helps break down carbohydrates.

Quick summary

["Amylase levels can help diagnose conditions affecting digestion or inflammation."]

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

Key facts at a glance

LOINC
9961-4
Short code
QRS I-Amp L-AVF
Synonyms
QRS I-Amp L-AVF
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
ekg
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

Why Is This Test Done?

Your doctor may order this test to check for pancreatic or salivary gland issues, such as pancreatitis, pancreatic cancer, or swelling (inflammation) in these glands. It can also help identify conditions like acute viral hepatitis or certain types of kidney disease.

What to Expect Before the Test

No special preparation is usually needed. You may be asked to fast for 8–12 hours before the test if your doctor specifies it, but this is less common for amylase testing alone. Bring any medications you’re taking to your appointment.

How the Test Is Performed

A healthcare professional will draw blood from a vein in your arm using a small needle. You may feel a slight sting, but it usually doesn’t cause significant discomfort. The blood sample is then sent to a lab for analysis.

What the Results Mean

Higher-than-normal amylase levels may indicate acute pancreatitis, salivary gland disorders, or other digestive or inflammatory conditions. Lower-than-normal levels are less common but could suggest pancreatic or salivary gland damage.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Amylase plays a key role in carbohydrate digestion. Elevated levels are often a red flag for acute pancreatitis, which requires urgent medical attention. Chronic elevations may signal long-term pancreatic issues or other systemic conditions. Always discuss results with your doctor for personalized interpretation.

Short name

Serum Amylase Test

Frequently asked questions

What causes elevated amylase levels?
Elevated amylase levels can result from conditions like pancreatitis, gallbladder disease, kidney problems, or certain infections. Salivary gland disorders or trauma to the head or neck may also trigger temporary spikes.
How long does it take to get results?
Results are typically available within 1–2 days, depending on your lab’s processing time. Your doctor will contact you once they have the findings.
Can I take anything before or after the test?
Avoid alcohol or heavy meals 24 hours before the test if instructed by your doctor. After the draw, you can resume normal activities, but avoid strenuous exercise until you feel well.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

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