Obchecklist
A comprehensive blood test panel performed during pregnancy to assess maternal health and identify potential risks for both mother and baby.
{"Screens for blood type, anemia, infections, and gestational diabetes","Typically done during first prenatal visit and repeated as needed","Helps ensure a healthy pregnancy and guides prenatal care"}
Key facts at a glance
- LOINC
- 89444-4
- Short code
- OBS PANEL
- Synonyms
- OB Checklist
- Category
- cardiac
- Sample
- serum
- Container
- Red top serum separator tube (SST) for serology; lavender top (EDTA) for CBC; sterile container for urinalysis
- Units
- N/A
- Ref low
- 22
- Ref high
- 198
- Critical range
- — – 10000 N/A
- Fasting
- false
- Population
- adult
- Sex
- female
- Age range
- 12–55 years
- Method
- obstetrics
- CPT
- 80055
- SNOMED
- 171120006
- Specimen volume
- 5-10 mL serum; 2-3 mL whole blood for CBC; 10-15 mL urine
- Stability
- Serum: room temperature 8 hours, refrigerated 72 hours, frozen -20°C 30 days; Urine: refrigerated 24 hours
- Hemolysis max
- 50
- Lipemia max
- 100
- Icterus max
- 20
- TAT
- 24–72 hours
- Order
- routine
What is this test?
The Obstetric Panel, also known as a prenatal blood panel or obstetrics checklist, is a group of blood tests performed during pregnancy to evaluate the mother's health and detect conditions that could affect the pregnancy. This panel helps healthcare providers monitor and manage potential risks throughout the pregnancy.
What tests are included?
The obstetric panel typically includes: Blood type and Rh factor determination, complete blood count (CBC) to check for anemia and infection, antibody screening, rubella (German measles) immunity, hepatitis B, syphilis (RPR/VDRL), HIV screening, and sometimes glucose testing for gestational diabetes. Additional tests may be added based on individual risk factors.
How is the test performed?
A healthcare professional will draw a blood sample from a vein in your arm. The sample is then sent to a laboratory for analysis. The test is usually done during your first prenatal visit, and some tests may be repeated later in pregnancy.
Are there any risks?
The risks are minimal and include slight pain or bruising at the injection site, fainting, or very rarely, infection. These tests are considered safe during pregnancy and are routinely recommended for all pregnant women.
Reference range
Adult males: 22-198 U/L; Females: 22-198 U/LN/A
No fasting required. Patient should bring insurance information and obstetric history records. Inform laboratory of current medications and any known allergies.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings2
Frequently asked questions
Do I need to fast before this test?
When will I get my results?
What if my blood type is Rh negative?
Are all these tests mandatory?
Sources
- 1
- 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 17, 2026. · Read our editorial policy