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Serum or plasma concentration of digestive enzymes (specifically, amylase and lipase combined or individually measured)

Published: August 9, 2026Updated: August 17, 2026

This test measures levels of digestive enzymes in your blood, often used to check for problems with your pancreas or other digestive organs.

Quick summary

["Digestive enzyme levels can signal potential pancreatic or gastrointestinal issues early on."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 17, 2026Editorial policy

Key facts at a glance

LOINC
102910-7
Short code
S aureus Etx D IgE RAST
Synonyms
S aureus Etx D IgE RAST
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Ref low
10
Ref high
40
Critical range
— – 500 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
rast
CPT
84484
SNOMED
302774002
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 This Test Is Done

Your doctor may order this test if you have symptoms like abdominal pain, nausea, vomiting, or unexplained weight loss. It can also be part of routine checks for conditions like pancreatitis, cystic fibrosis, or other digestive disorders. Sometimes, it’s used to monitor treatment progress or detect early signs of organ damage.

What to Expect Before the Test

No special preparation is usually needed, but you may be asked to fast for 8–12 hours before the test if it involves blood drawn from a vein. If you’re taking certain medications, let your doctor know. Avoid heavy meals or alcohol before the test to get more accurate results.

What Happens During the Test

A healthcare professional will draw blood from a vein in your arm using a small needle. You may feel a slight pinch, but it’s usually over quickly. The blood sample is then sent to a lab for analysis. If this test involves urine or saliva, you’ll collect a sample at home or in a clinic.

What the Results Mean

High levels of digestive enzymes may indicate inflammation, infection, or damage to the pancreas or other organs. Low levels could suggest a blockage or other digestive issues. Your doctor will interpret results in the context of your symptoms and medical history.

Reference range

Adult: 10-40 U/LN/A

Specimen: serum

No special preparation required. Avoid fatty meals before the test if possible.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

None

Frequently asked questions

How often should I get this test?
This test is typically ordered as needed, depending on your symptoms or medical condition. Routine checks for conditions like pancreatitis or cystic fibrosis may require periodic testing, but your doctor will guide you on frequency.
Can I eat or drink before this test?
If fasting is required, follow your doctor’s instructions carefully. For non-fasting tests, avoid heavy meals or alcohol to ensure accurate results. Always confirm with your healthcare provider.
What are the most common causes of abnormal results?
Abnormal results can stem from pancreatitis, gallstones, infections, or certain medications. Other causes may include autoimmune diseases or metabolic disorders. Your doctor will discuss possible explanations based on your symptoms and test results.
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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 17, 2026. · Read our editorial policy