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Serum or plasma concentration of prochlorperazine

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

This test measures the amount of prochlorperazine, a medication used to treat nausea, vomiting, and certain mental health conditions, in your blood.

Quick summary

["Understanding your prochlorperazine levels helps your healthcare provider monitor your dose and adjust it as needed."]

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

Key facts at a glance

LOINC
61103-8
Short code
Prochlorperazine Ur-sCnc
Synonyms
Prochlorperazine Ur-sCnc
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 Is Done

Your doctor may order this test if you’re taking prochlorperazine to check for proper dosing, detect side effects, or assess how well your body is processing the medication.

What to Expect Before the Test

No special preparation is needed. You may have blood drawn from a vein in your arm, similar to other blood tests.

What the Test Results Mean

Results are compared to a general reference range for prochlorperazine in blood, but exact values can vary by lab. High levels may indicate overdose or poor metabolism, while low levels might suggest insufficient medication.

Common Reasons for Testing

This test is often used in cases of suspected drug toxicity, monitoring long-term therapy, or evaluating symptoms like dizziness, confusion, or unusual movements that could relate to medication levels.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Prochlorperazine Levels

Short name

Prochlorperazine level

Frequently asked questions

What questions might you have about this test?
This test helps ensure your medication is working safely. If you experience unusual symptoms while taking prochlorperazine, discuss them with your doctor—even if test results seem normal.
How is this test different from other blood tests?
Unlike general blood panels, this test specifically measures prochlorperazine concentration, which requires specialized lab methods (e.g., immunoassay) to detect the drug’s presence.
Do I need to fast before this test?
No fasting is required for this test, as it measures medication levels in your blood rather than substances like glucose or lipids.
  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