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Serum or plasma mass fraction of dopamine

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

This test measures the amount of dopamine, a natural chemical in your blood, which helps regulate mood, behavior, and other bodily functions.

Quick summary

["Dopamine levels can help diagnose or monitor conditions affecting brain chemistry or blood flow."]

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

Key facts at a glance

LOINC
31025-0
Short code
D-amphet MFr Ur
Synonyms
D-amphet MFr Ur
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

Why This Test Might Be Ordered

Your doctor may order this test to check for conditions like Parkinson’s disease, certain brain tumors, or to evaluate symptoms such as mood swings, high blood pressure, or unusual movements.

What to Expect Before the Test

No special preparation is usually needed. You may have a small needle inserted into a vein in your arm to draw blood. If you’re taking medications that affect dopamine, let your doctor know.

What the Results Mean

Results can vary widely based on health, medications, and other factors. Abnormal levels may suggest underlying medical issues that need further evaluation.

Common Conditions Monitored

High dopamine levels might be linked to conditions like pheochromocytoma (a tumor affecting hormone release), while low levels could relate to Parkinson’s disease or other neurological disorders.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Dopamine Level

Frequently asked questions

What causes dopamine levels to change?
Dopamine levels can fluctuate due to genetics, medications (such as antipsychotics or antidepressants), certain medical conditions, or even stress. If you notice unusual mood changes or symptoms, discuss them with your doctor.
How often should I get this test?
Frequency depends on your health needs. Your doctor will determine how often to check based on your symptoms, diagnosis, or treatment plan.
Can diet or lifestyle affect dopamine levels?
Yes, diet, exercise, and stress levels can influence dopamine production. Eating foods rich in tyrosine (like eggs or nuts) or maintaining a balanced lifestyle may support normal dopamine function, but this test is for medical evaluation only.
  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