Beta Thalassemia Screening [Prenatal] Test
Short Name: Beta Thalassemia Prenatal
Also known as: Beta Thalassemia Carrier Screening, Prenatal Thalassemia Test, Beta Thalassemia Mutation Analysis
Beta Thalassemia Screening [Prenatal] Test test available at DNA Labs India for ₹6,000. Uses End Point PCR, Gap-PCR, Reverse Dot Blot Hybridization on Amniotic fluid / Chorionic villi / Cord blood samples. Results in Reports are typically available within 3-4 days after the sample reaches the laboratory.. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr SULOCHANA HEMCHANDRA HOLLA
Consultant Medical Geneticist · Reg: 8532
Last reviewed: September 7, 2026
Overview
The purpose of this prenatal screening is to identify whether the fetus has inherited beta thalassemia mutations from carrier parents. It helps in early detection of the condition, allowing parents to make informed reproductive choices and plan for appropriate medical management. The test also aids in assessing the risk of severe forms of thalassemia, such as thalassemia major, which requires regular blood transfusions and chelation therapy. Early diagnosis can significantly improve the quality of life for affected children through timely intervention.
- Test Code
- 6049
- CPT Code
- 81405
- ICD Code
- Z13.0
- Price
- ₹6,000
- Sample Type
- Amniotic fluid / Chorionic villi / Cord blood
- Result Time
- Reports are typically available within 3-4 days after the sample reaches the laboratory.
- Fasting Required
- No
- Method
- End Point PCR, Gap-PCR, Reverse Dot Blot Hybridization
Sample Collection
No special preparation is required. However, a doctor's prescription is mandatory. Inform your healthcare provider about any medications or supplements you are taking.
Method: Amniocentesis / CVS / Cordocentesis
Laboratory Analysis
The sample is collected by a qualified obstetrician using an invasive procedure (amniocentesis, CVS, or cordocentesis). The procedure is performed under ultrasound guidance to ensure safety.
Report Delivery
After the procedure, rest is advised. Monitor for any signs of infection, bleeding, or fluid leakage. Contact your doctor immediately if you experience fever, abdominal pain, or unusual discharge.
Timeline: Reports are typically available within 3-4 days after the sample reaches the laboratory.
Patient Instructions
About This Test
Who Should Get This Test
The purpose of this prenatal screening is to identify whether the fetus has inherited beta thalassemia mutations from carrier parents. It helps in early detection of the condition, allowing parents to make informed reproductive choices and plan for appropriate medical management. The test also aids in assessing the risk of severe forms of thalassemia, such as thalassemia major, which requires regular blood transfusions and chelation therapy. Early diagnosis can significantly improve the quality of life for affected children through timely intervention.
How to Prepare
- Sample must be collected in a sterile container or EDTA vacutainer as specified
- Transport the sample to the laboratory within 24 hours
- Maintain the sample at cool pack/ambient temperature during transport
- Do not freeze the sample
Doctor's Notes
Reviewed by Dr SULOCHANA HEMCHANDRA HOLLA — MBBS, MD (Medical Genetics) · Reg. No. 8532
"Prenatal screening for beta thalassemia is crucial for at-risk couples to make informed reproductive decisions. Early detection allows for timely genetic counseling and management options."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Hemolyzed or clotted sample
- Insufficient sample volume
- Sample not labeled properly
- Sample received after prolonged delay
Understanding Your Results
Negative
No common beta thalassemia mutations detected. Low risk of beta thalassemia major.
Action: Continue routine prenatal care; consider repeat testing if clinical suspicion remains.
Positive (carrier)
Fetus has one beta thalassemia mutation (carrier). Usually asymptomatic or mild anemia.
Action: Genetic counseling; discuss implications for the child's future.
Positive (affected)
Fetus has two beta thalassemia mutations (thalassemia major). Will require lifelong management.
Action: Detailed counseling; discuss treatment options and postnatal care.
Consult your obstetrician or genetic counselor if you are a known carrier, have a family history, or if the test result is positive. Early consultation helps in planning appropriate management.
Limitations
- ⚠Test detects only common mutations; rare mutations may not be identified
- ⚠Results should be interpreted by a geneticist
- ⚠Invasive procedure carries a small risk of miscarriage
- ⚠Not a substitute for comprehensive genetic counseling
Risks & Considerations
- ●Miscarriage (less than 1% for amniocentesis, slightly higher for CVS)
- ●Infection
- ●Bleeding or amniotic fluid leakage
- ●Rh sensitization in Rh-negative mothers
Interfering Factors
- ●Maternal blood contamination in fetal sample
- ●Insufficient sample volume
- ●Improper sample handling or storage
- ●DNA degradation due to delayed processing
Compare With Similar Tests
| Test | Beta Thalassemia Screening [Prenatal] | Hemoglobin Electrophoresis | Complete Blood Count (CBC) | Serum Ferritin |
|---|---|---|---|---|
| Comparison | Beta Thalassemia Screening [Prenatal] |
Frequently Asked Questions
What is the cost of Beta Thalassemia Screening [Prenatal]?
Who should undergo prenatal beta thalassemia screening?
What sample is required for this test?
Is fasting required before the test?
How long does it take to get the results?
Is home sample collection available?
What is the accuracy of this test?
Are there any risks associated with the sample collection?
Can this test be done without a doctor's prescription?
What does a positive result mean?
Is genetic counseling included?
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