Phenotypic screening for multiple pregnancy-related conditions (e.g., metabolic, genetic, or biochemical markers)
This test evaluates certain substances or traits in your blood or other bodily fluids to help assess potential health risks or conditions related to pregnancy, such as genetic, metabolic, or biochemical factors.
["Helps identify possible genetic, metabolic, or biochemical concerns during pregnancy for early monitoring and support."]
Key facts at a glance
- LOINC
- 64724-8
- Short code
- Multiple pregnancy PhenX
- Synonyms
- Multiple pregnancy 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
This screening may include tests for a range of substances, such as specific proteins, enzymes, or metabolites that can provide insights into how your body is responding to pregnancy. Some tests may measure the concentration of certain substances in your blood, plasma, or urine to detect abnormalities early.
Why It’s Done During Pregnancy
Doctors may recommend this screening if you have a history of pregnancy complications, certain genetic conditions, or if you’re at higher risk for specific issues like metabolic disorders or genetic syndromes. It can also be part of routine prenatal care to monitor overall health and identify any potential concerns early.
Sample Collection and Preparation
A blood sample is most commonly collected for this test. You may also provide urine or other fluids depending on the specific tests included. The sample is typically processed in a lab to analyze the substances of interest.
Common Conditions Monitored
This screening may help identify conditions like certain metabolic disorders (e.g., phenylketonuria), genetic disorders, or biochemical imbalances that could affect your pregnancy. It can also assess markers for conditions that may impact fetal development or maternal health.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance
Short name
Pregnancy Phenotype Screen
Frequently asked questions
How soon will I get my results?
What does a positive result mean?
Can I eat or drink 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