Tramadol in Serum or Plasma (Mass Concentration)
This test measures the amount of tramadol, a pain medication, in your blood. It helps doctors assess your current dose and monitor for potential side effects.
["This test helps track how your body processes tramadol and ensures safe dosing."]
Key facts at a glance
- LOINC
- 12437-0
- Short code
- traMADol SerPl-mCnc
- Synonyms
- traMADol SerPl-mCnc
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- 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 tramadol for pain relief and want to check your blood levels. It’s also used in cases of suspected overdose, drug interactions, or if you’re experiencing unusual side effects like dizziness, confusion, or breathing difficulties.
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. If you’re on blood thinners, let your provider know before the test.
What the Test Results Mean
Results are typically reported in micrograms per milliliter (µg/mL) or milligrams per liter (mg/L). Higher-than-expected levels may indicate improper dosing or drug interactions, while very low levels could mean the medication isn’t working as intended.
Possible Side Effects and Risks
Tramadol is generally safe when used as prescribed, but high blood levels can cause serious issues like seizures, respiratory depression, or overdose symptoms. Always follow your doctor’s instructions for dosage and avoid mixing with other central nervous system depressants.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance
Short name
Tramadol Level
Frequently asked questions
How long does it take to get tramadol test results?
Can I drink alcohol before this test?
Will this test affect my medication?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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