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Quinine Concentration (Serum/Plasma)

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

This test measures the amount of quinine, a medication used to treat certain types of malaria, in your blood. It helps doctors monitor your drug levels to ensure proper dosing.

Quick summary

["Check your quinine levels to avoid overdose or insufficient treatment for malaria."]

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

Key facts at a glance

LOINC
72963-2
Short code
quiNINE (neut) IgM SerPl Ql FC
Synonyms
quiNINE (neut) IgM SerPl Ql FC
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
flow-cytometry
CPT
82784
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 Is Done

Your healthcare provider may order this test if you’re taking quinine to treat or prevent malaria. It helps ensure the medication is working at the right amount in your body, preventing side effects or resistance issues.

What to Expect Before the Test

No special preparation is needed. You may have a small needle inserted into your arm or vein to draw a blood sample. If you’re on quinine, your provider may check levels at regular intervals.

What the Results Mean

Results are typically reported in micrograms per milliliter (µg/mL) or milligrams per liter (mg/L). Your doctor will compare these numbers to your specific dosing plan to guide treatment.

Possible Side Effects of Quinine

Quinine can cause side effects like nausea, dizziness, or low blood pressure. High levels may lead to more serious issues, so monitoring is important.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Quinine levels help prevent toxicity (e.g., seizures, heart rhythm problems) and ensure effective malaria treatment. Low levels may indicate poor absorption or drug resistance, requiring adjustments to your treatment plan.

Short name

Quinine Level

Frequently asked questions

How often should quinine levels be checked?
Your doctor will determine how often based on your treatment duration, dose, and medical history. Typically, levels are checked during active treatment or if you experience side effects.
What happens if my quinine level is too high?
If levels are dangerously high, your doctor may adjust your dose, switch medications, or monitor you closely for symptoms like confusion, irregular heartbeat, or vision changes.
Can I drink alcohol while taking quinine?
Avoid alcohol while on quinine, as it may increase side effects like dizziness or low blood pressure. Always follow your doctor’s instructions.
  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