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Dipeptidyl peptidase-4 (DPP-4) activity in serum/plasma

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

This test measures the activity of an enzyme called DPP-4, which plays a role in blood sugar regulation. It may be used in certain clinical contexts to assess metabolic function.

Quick summary

["DPP-4 activity helps evaluate how your body processes sugars, though it’s not a standard routine test."]

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

Key facts at a glance

LOINC
48236-4
Short code
D pteronyss LR-mCnc
Synonyms
D pteronyss LR-mCnc
Category
coagulation
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Ref low
0.8
Ref high
1.2
Critical range
— – 5 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
85610
SNOMED
396252006
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 Does This Test Measure?

Dipeptidyl peptidase-4 (DPP-4) is an enzyme that breaks down a hormone called glucagon-like peptide-1 (GLP-1), which helps control blood sugar levels. Measuring DPP-4 activity can give insight into how effectively your body processes glucose, though it is not a primary diagnostic test for diabetes or metabolic disorders.

Why Might You Need This Test?

This test may be considered in specialized situations, such as research studies or when evaluating rare metabolic conditions. It is not routinely ordered for most patients.

Sample Collection and Preparation

A blood sample is drawn from a vein, typically in the arm. The sample is processed to separate serum or plasma, which is then analyzed for DPP-4 enzyme activity.

What Does a Result Mean?

Interpretation of DPP-4 activity results depends on clinical context and may not have a widely established reference range. Higher or lower levels could be relevant in specific research or diagnostic scenarios, but they are not typically used alone for diagnosis.

Reference range

INR: 0.8-1.2 (warfarin: 2.0-3.0)N/A

Specimen: serum

Inform your healthcare provider if you are taking blood thinners. No special preparation required.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

DPP-4 Activity

Frequently asked questions

How is this test used in clinical practice?
This test is not a standard diagnostic tool for most medical conditions. It may be part of specialized studies or investigations into metabolic pathways, particularly in research settings or when evaluating rare enzyme deficiencies.
What are the typical reference ranges?
Reference ranges for DPP-4 activity are not universally standardized and may vary by lab or clinical context. Your healthcare provider will interpret results in relation to your specific health needs.
Are there any risks or side effects from this test?
The blood draw for this test involves minimal risks, such as mild bruising or discomfort at the injection site. No other significant side effects are expected from the enzyme activity measurement itself.
  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