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Systemic Dopamine Concentration (Plasma) – Maximum Sustained Level

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

This test measures the highest sustained concentration of dopamine, a chemical messenger (neurotransmitter), in your blood plasma. Dopamine plays a role in regulating blood pressure, heart rate, and certain brain functions.

Quick summary

["Dopamine levels help assess how your body responds to medications or conditions affecting circulation and nerve signaling."]

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

Key facts at a glance

LOINC
11722-6
Short code
Fet Umb a.at plc Vmax sys DOP
Synonyms
Fet Umb a.at plc Vmax sys DOP
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
us-doppler
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 Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like low blood pressure, rapid heart rate, or suspected dopamine-related disorders. It could also be used to monitor treatment responses in conditions like shock, heart failure, or certain neurological conditions.

What to Expect Before the Test

No special preparation is needed. You may have a small needle inserted into your vein (venipuncture) to draw blood. If you’re on medications that affect dopamine, discuss them with your provider beforehand.

How the Test Works

Blood is collected and analyzed to detect dopamine levels. The test measures the highest sustained concentration after a controlled infusion or natural fluctuation, often using a specialized immunoassay method.

What the Results Mean

Results help determine if dopamine levels are within expected ranges for your condition. Abnormal results may indicate issues with blood pressure regulation, nerve function, or medication effectiveness.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Max Dopamine Level (Plasma)

Frequently asked questions

How might abnormal dopamine levels affect my health?
Elevated levels may suggest overstimulation of dopamine receptors or certain neurological disorders, while very low levels could indicate problems with blood pressure control or dopamine-producing cells in the brain. Your provider will interpret results in the context of your symptoms and medical history.
What does a normal result mean?
A normal result suggests your dopamine levels are consistent with healthy regulation of blood pressure and heart function, but it doesn’t rule out all conditions. Follow-up tests may be needed if you have ongoing symptoms.
Can I influence my dopamine levels before the test?
Avoid caffeine, nicotine, or certain medications that affect dopamine (like some antidepressants) for 24 hours before testing, as they may impact results. Hydration and rest can also help prepare your body for the test.
  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