Benzfetaminemlkmcnc
A test to measure the amount of benzphetamine in your blood serum.
{"Benzphetamine is a stimulant medication used for weight loss","This test measures drug levels in blood serum","Used to monitor therapeutic doses or detect overdose","Sample is collected via blood draw","Results help healthcare providers adjust medication dosage"}
Key facts at a glance
- LOINC
- 26993-6
- Short code
- BENZFMILK
- Synonyms
- Benzfetamine Mlk-mCnc
- Category
- chemistry
- Sample
- serum
- Container
- Sterile, plastic, leak-proof container (milk collection container)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- female
- Age range
- 18–65 years
- Method
- Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
- CPT
- 80299
- SNOMED
- 440341000124108
- Specimen volume
- 5-10 mL of breast milk
- Stability
- Refrigerated: 7 days; Frozen at -20°C: 30 days; Frozen at -80°C: 90 days
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 48–168 hours
- Order
- routine
What is this test?
The benzphetamine test measures the amount of benzphetamine in your blood serum. Benzphetamine is a sympathomimetic amine (similar to amphetamine) that acts as an appetite suppressant. It is prescribed for short-term weight loss treatment in combination with diet and exercise.
How is the test performed?
A healthcare professional will draw a small blood sample from a vein in your arm. The sample is then sent to a laboratory for analysis. No special preparation is typically required, but follow your doctor's instructions regarding fasting or medication timing.
Why might I need this test?
Your doctor may order this test to: monitor therapeutic drug levels, ensure the medication is at effective but safe concentrations, or evaluate symptoms of potential overdose or toxicity.
Reference range
Not detected in milk from mothers not taking benzfetamine. No established therapeutic reference range for benzfetamine in breast milk.N/A
Collect milk sample from lactating mother who is taking or suspected of taking benzfetamine. Note the dosing time relative to milk collection.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Benzphetamine belongs to the anorectic class of medications. Therapeutic drug monitoring helps maintain effective weight management while minimizing side effects such as increased heart rate, blood pressure, insomnia, or nervousness. This test may also be used in forensic or occupational health settings.
Frequently asked questions
Is fasting required before the test?
Are there any risks with the blood draw?
How long does it take to get results?
Sources
- 1LOINC Code ReferenceSource
- 2
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