Specialty Obstetric Blood Test
A blood test used during specialized obstetric care. The code does not identify a single analyte, so the exact panel and purpose depend on the ordering clinician.
["This code refers to an obstetric blood test, but the specific substances measured must be confirmed with the ordering clinician or laboratory."]
Key facts at a glance
- LOINC
- 112546-7
- Short code
- Spclty Obst bds Fclty Unoccpd
- Synonyms
- Spclty Obst bds Fclty Unoccpd
- Category
- liver
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- unoccupied
- 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 is this test?
This appears to be a general code for blood testing used in obstetric care. The abbreviated name does not clearly identify one specific analyte or a defined panel, so check the test requisition or ask the ordering clinician which tests are included.
Why might I need this test?
Obstetric blood tests may be used to assess maternal health, establish blood group and Rh status, check for conditions that can affect pregnancy, or screen for infections. The reason for testing depends on the specific analyte or panel ordered.
How is the test performed?
A blood sample is usually collected from a vein in the arm and sent to the laboratory. Some obstetric tests may use a different sample or testing method, so the laboratory instructions should be followed for the exact test ordered.
How do I prepare for the test?
Follow the preparation instructions provided with the order. Unless specifically told otherwise, continue taking medications and eating normally; fasting is required only for certain individual tests. Bring identification and any relevant pregnancy or medical information.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
The meaning of an abnormal result depends on the substance being measured. Depending on the ordered test, findings could relate to blood group or Rh compatibility, anemia, infection, or another condition affecting pregnancy. The ordering clinician should interpret the result in the context of your health history and other prenatal tests.
Short name
Obstetric blood test
Frequently asked questions
What specific substances are measured?
Is fasting required for this test?
What does an abnormal result mean?
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