Lipase/Amylase Ratio

The ratio of lipase to amylase, used to characterise pancreatic conditions.

Last reviewedJune 16, 2026

Calculated

sample type

Not applicable (calculated)

blood needed

~7 days

results in app

Same as its component tests

best timing

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On this page

Why test Reference ranges What you'll learn What affects it How testing works Sources FAQ

In short

The lipase to amylase ratio is a calculated value, not a separate blood test. It compares lipase and amylase, two enzymes made by the pancreas that both rise when it is inflamed.

The formula is: lipase ÷ amylase, using the units reported by the lab.

Comprehensive Health Check

Reviewed against DGKL reference practice.

Why test this?

Both enzymes increase in pancreatitis, but their balance has been studied as a clue to the cause. The ratio has been proposed to help distinguish alcohol-related from non-alcohol-related acute pancreatitis.

A higher ratio has been associated more with alcoholic pancreatitis, while a lower ratio is seen more with non-alcoholic causes. The evidence is mixed, so it is a supportive clue rather than a definitive test.

What is a normal result?

Aniva reads your result against research-backed ranges, not just the lab's wide normal. The reference shown below is specific to this biomarker.

There is no firmly established cutoff for the lipase to amylase ratio. Some studies suggest a higher ratio favours an alcoholic cause of pancreatitis, but findings are inconsistent. It should be read as a weak supportive clue alongside the clinical picture, not as a standalone threshold.

Ranges are guidance and vary by lab and assay, aligned with DGKL practice. Always read your result against your own lab's reference interval.

What insights will this test give you?

A supportive clue to the likely cause of pancreatitis.
Context that complements lipase and amylase read individually.
A pattern to interpret with a clinician and the clinical picture.

What can affect this result?

What can skew the result

Amylase comes from the salivary glands as well as the pancreas, which can affect the ratio. Both enzymes rise and fall on different timescales after symptoms begin, and kidney impairment raises both. Timing of the sample relative to symptom onset strongly affects the result.

Best interpreted with

Read with its components, lipase and amylase, and alongside the clinical history and imaging where relevant.

How is this tested?

Sample

Calculated

Blood needed

Not applicable (calculated)

Method

Calculated ratio

Best timing

Same as its component tests

Sources. The evidence behind this

StatPearls: Acute Pancreatitis

StatPearls: Lipase

Common questions

Which Aniva panels include this marker?

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