Pregnancy Prevention Method Severity Phenotyping (Serum)
This test evaluates specific biomarkers in your blood to assess the severity of methods used to prevent pregnancy, such as hormonal contraception or other interventions.
["This test helps healthcare providers understand how your body responds to pregnancy prevention methods."]
Key facts at a glance
- LOINC
- 66065-4
- Short code
- Prevent pregnancy methods ever PhenX
- Synonyms
- Prevent pregnancy methods ever PhenX
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Critical range
- 0.5 N/A – —
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- phenx
- 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
What This Test Measures
The test analyzes certain substances in your serum that may reflect how effectively your body manages hormonal or other interventions meant to prevent pregnancy. These substances could include markers related to hormone metabolism, immune response, or metabolic activity.
Why It’s Done
Your healthcare provider may order this test if you’re on a pregnancy prevention method and want to monitor how well it’s working or if you have concerns about side effects. It can also help assess how your body processes these substances over time.
Sample Collection and Preparation
A blood sample will be drawn from a vein in your arm. The blood is processed into serum (the liquid part after clotting) for testing. This sample is sent to a lab for analysis using immunoassay methods.
What to Expect Before the Test
No special preparation is needed, but you may want to avoid alcohol for 24 hours before the test to ensure accurate results. Wear comfortable clothing and bring any medications you’re currently taking.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Results from this test can help determine the effectiveness of pregnancy prevention methods, identify potential metabolic or hormonal imbalances, or guide adjustments in treatment. It may also be useful in research or clinical trials focused on pregnancy prevention strategies.
Short name
Pregnancy Prevention Severity Marker
Frequently asked questions
What does this test measure?
How long will I need to wait for results?
Can I drink alcohol before this test?
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 17, 2026. · Read our editorial policy