Obstetric Midwifery Data Collection Summarized Metrics (Urinary) – 24-Hour
This test involves collecting and analyzing urine samples over a 24-hour period to track specific substances related to pregnancy and maternal health.
["This test helps monitor key bodily functions during pregnancy by measuring urine levels over time."]
Key facts at a glance
- LOINC
- 99483-0
- Short code
- OB Midwife D/C sum
- Synonyms
- OB Midwife D/C sum
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- obstetrics-midwife
- 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 to assess hydration, kidney function, or the presence of certain substances like protein or glucose that could indicate pregnancy-related conditions, such as preeclampsia or gestational diabetes. It’s often part of routine prenatal care or when symptoms suggest an issue.
What to Expect Before the Test
You’ll need to collect all urine for a full 24-hour period in a special container. Drink enough fluids to produce about 60–80 ounces of urine, but avoid excessive caffeine or alcohol. Follow your provider’s instructions precisely to ensure accurate results.
What Happens During the Test
After completing the 24-hour urine collection, the sample is sent to a lab for analysis. The test measures the concentration of specific substances in your urine, which may include electrolytes, proteins, or other biomarkers relevant to pregnancy.
What the Results Mean
Results are interpreted by your healthcare provider based on your medical history and symptoms. Abnormal findings might signal conditions like kidney problems, fluid imbalances, or metabolic issues that require further evaluation or treatment.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test provides critical insights into maternal health during pregnancy, such as detecting early signs of preeclampsia (high blood pressure with protein in urine), gestational diabetes, or kidney function changes. It helps ensure both mother and baby stay healthy throughout the pregnancy.
Frequently asked questions
What does a '24-hour urine test' measure during pregnancy?
How long do I need to collect urine for this test?
Can I take medications or eat certain foods while collecting urine for 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 16, 2026. · Read our editorial policy