Placental tissue analysis for specific genetic or protein markers using a nucleic acid probe
This test examines placental tissue to detect certain genetic or protein markers using a specialized probe. It may be part of advanced prenatal diagnostics to assess fetal health or identify potential genetic conditions.
["This test helps evaluate placental function and genetic integrity during pregnancy."]
Key facts at a glance
- LOINC
- 87983-3
- Short code
- T gondii DNA Placenta Ql NAA+probe
- Synonyms
- T gondii DNA Placenta Ql NAA+probe
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- probe-amp-tar
- 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 placental DNA or proteins via a nucleic acid probe. It identifies specific sequences or markers that could indicate normal development, chromosomal abnormalities, or other genetic factors relevant to fetal health.
Why It Might Be Ordered
Your healthcare provider may recommend this test if you have a history of recurrent miscarriages, advanced maternal age, or if certain genetic risks are present in your family. It can also be used in cases of unexplained pregnancy complications.
Sample Collection and Preparation
A small amount of placental tissue is collected during delivery or via a procedure called chorionic villus sampling (CVS) or amniocentesis. The sample is then processed and tested for the targeted genetic or protein markers.
What to Expect Before the Test
No special preparation is typically required, but discuss any medications or supplements you’re taking with your provider. If the test involves a procedure like CVS or amniocentesis, follow your healthcare team’s instructions for fasting or other preparations.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test plays a critical role in identifying genetic risks early in pregnancy. It can help determine if there are abnormalities that may affect fetal development, allowing for informed decision-making about pregnancy management or potential interventions.
Short name
Prenatal genetic/placental probe test
Frequently asked questions
What does this test detect?
How is the sample collected?
Is this test covered by insurance?
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