Thalassemia Alpha Mutation Analysis Test
Short Name: Alpha Thalassemia Mutation Test
Also known as: Alpha Globin Gene Mutation Analysis, HBA1 HBA2 Mutation Test, Alpha Thalassemia DNA Analysis, Hemoglobin Bart's Detection Test, Alpha Globin Deletion Analysis
Thalassemia Alpha Mutation Analysis Test test available at DNA Labs India for ₹5,500. Uses Polymerase Chain Reaction (PCR), Multiplex Ligation-dependent Probe Amplification (MLPA) on Whole Blood samples. Results in Results are typically available within 4 to 5 working days from sample receipt.. 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 primary purpose of the Thalassemia Alpha Mutation Analysis Test is to detect specific mutations and deletions in the HBA1 and HBA2 genes that cause alpha thalassemia. This test is essential for confirming a diagnosis of alpha thalassemia, determining the exact genotype, classifying disease severity, identifying silent carriers who may be unaware of their carrier status, guiding genetic counseling for families, supporting prenatal and preconception planning, and informing treatment decisions such as the need for regular blood transfusions or iron chelation therapy.
- Test Code
- 1435
- CPT Code
- 81257
- ICD Code
- D56.0
- Price
- ₹5,500
- Sample Type
- Whole Blood
- Result Time
- Results are typically available within 4 to 5 working days from sample receipt.
- Fasting Required
- No
- Method
- Polymerase Chain Reaction (PCR), Multiplex Ligation-dependent Probe Amplification (MLPA)
Sample Collection
No fasting is required. Duly filled Genomics Clinical Information Requisition Form (Form 20) is mandatory. Inform the laboratory of any recent blood transfusions or ongoing treatments.
Method: Venipuncture
Laboratory Analysis
A venipuncture will be performed to collect 4 mL of whole blood into a Lavender Top (EDTA) tube. The procedure typically takes less than 5 minutes.
Report Delivery
Apply pressure to the puncture site with sterile gauze for 3 to 5 minutes. The blood sample will be shipped refrigerated. Do not freeze the sample.
Timeline: Results are typically available within 4 to 5 working days from sample receipt.
Patient Instructions
About This Test
Who Should Get This Test
The primary purpose of the Thalassemia Alpha Mutation Analysis Test is to detect specific mutations and deletions in the HBA1 and HBA2 genes that cause alpha thalassemia. This test is essential for confirming a diagnosis of alpha thalassemia, determining the exact genotype, classifying disease severity, identifying silent carriers who may be unaware of their carrier status, guiding genetic counseling for families, supporting prenatal and preconception planning, and informing treatment decisions such as the need for regular blood transfusions or iron chelation therapy.
How to Prepare
- Duly filled Genomics Clinical Information Requisition Form (Form 20) is mandatory
- Collect 4 mL (2 mL minimum) whole blood in 1 Lavender Top (EDTA) tube
- Ship the sample refrigerated; do not freeze
- Label the sample correctly with patient details
- Inform the lab of any recent blood transfusions
Doctor's Notes
Reviewed by Dr SULOCHANA HEMCHANDRA HOLLA — MBBS, MD (Medical Genetics) · Reg. No. 8532
"Alpha thalassemia carrier screening is highly recommended for couples planning pregnancy, especially in regions where the trait is prevalent such as India. Identifying carriers before conception allows informed reproductive decisions and significantly reduces the risk of having a child with a severe form of alpha thalassemia such as Hemoglobin Bart's hydrops fetalis or HbH disease. This molecular test provides definitive genotypic information that a routine CBC or hemoglobin electrophoresis alone may not confirm."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Sample received frozen
- Sample received without the mandatory Genomics Clinical Information Requisition Form (Form 20)
- Insufficient sample volume (less than 2 mL)
- Hemolyzed or clotted sample
- Incorrectly labeled or unlabeled sample
Understanding Your Results
Normal result. The patient has four functional alpha globin genes and does not carry alpha thalassemia.
No thalassemia-related hemoglobin disorder identified.
Silent carrier state. The patient has three functional alpha globin genes.
Usually asymptomatic with normal hemoglobin and red cell indices. May pass the mutation to offspring.
Alpha thalassemia minor or trait. The patient has two functional alpha globin genes.
Mild microcytic hypochromic anemia. Typically does not require treatment. Carrier screening recommended for the partner.
HbH disease. The patient has one functional alpha globin gene.
Moderate to severe hemolytic anemia. May require periodic blood transfusions. Regular hematological monitoring is advised.
Hb Bart's hydrops fetalis syndrome. No functional alpha globin genes.
Incompatible with life in most cases. Results in fatal hydrops fetalis in utero or shortly after birth. Genetic counseling is critical.
Consult a hematologist or your referring physician if your test results indicate any form of alpha thalassemia carrier state or disease. Early consultation is especially important for couples planning pregnancy where one or both partners are carriers, for children showing signs of anemia, or for pregnant women with a family history of thalassemia. Your doctor will guide you on the appropriate management plan, including the need for further testing or genetic counseling.
Limitations
- ⚠This test detects common deletions and point mutations but may not identify extremely rare or novel mutations
- ⚠Results should be correlated with clinical findings, CBC, and hemoglobin electrophoresis
- ⚠Does not detect beta thalassemia mutations; a separate beta thalassemia mutation analysis may be required
- ⚠Prenatal sample types require separate collection protocols
Risks & Considerations
- ●Minor bruising or discomfort at the blood draw site
- ●Very slight risk of infection at the puncture site
- ●No significant medical risks associated with the test itself
Interfering Factors
- ●Recent blood transfusion within the past 120 days may affect results
- ●Sample hemolysis or improper storage may compromise DNA quality
- ●Incomplete or incorrectly filled Genomics Clinical Information Requisition Form (Form 20)
Compare With Similar Tests
| Test | Thalassemia Alpha Mutation Analysis Test | Thalassemia Beta Mutation Analysis Test | Hemoglobin Electrophoresis | Complete Blood Count (CBC) |
|---|---|---|---|---|
| Comparison | Thalassemia Alpha Mutation Analysis Test | Beta thalassemia mutation analysis detects mutations in the HBB gene on chromosome 11, while alpha thalassemia analysis detects deletions/mutations in HBA1 and HBA2 genes on chromosome 16. Both are complementary genetic tests. | Hemoglobin electrophoresis is a screening test that identifies abnormal hemoglobin fractions. It may suggest alpha thalassemia but cannot confirm specific mutations. Molecular analysis provides definitive genotypic diagnosis. | A CBC can reveal microcytic hypochromic anemia suggestive of thalassemia but cannot differentiate between thalassemia types or identify carrier status. Genetic testing is required for confirmation. |
Frequently Asked Questions
What is the Thalassemia Alpha Mutation Analysis Test?
Who should get this test done?
What is the cost of the Thalassemia Alpha Mutation Analysis Test at DNA Labs India?
How is the sample collected for this test?
Is fasting required before this test?
How long does it take to get the results?
What does a positive result mean?
Can this test detect all types of alpha thalassemia mutations?
Is this test useful during pregnancy?
What is the difference between alpha thalassemia and beta thalassemia?
Does DNA Labs India offer home sample collection for this test?
Is this test covered under government health insurance schemes?
Related Tests
Reference Laboratory Services
We serve as a reference laboratory for hospitals and clinics across India. Send samples from your facility with same-day pickup, priority processing, and results delivered through our online portal. Competitive institutional pricing available.
Your Data Privacy
Your medical data is protected under Indian law.
✓ Stored in India: All patient records are stored on servers located in India. No data is transferred outside the country.
✓ DPDP Act Compliant: Under the Digital Personal Data Protection Act 2023, you can request deletion of your records at any time by contacting support.
Book Your Test
Enter your details and we'll connect you within 15 minutes.