X & Y Identification Test
Short Name: X & Y Identification Test
Also known as: Sex Determination Test, Chromosomal Sex Identification, XY Chromosome Analysis
X & Y Identification Test test available at DNA Labs India for ₹5,250. Uses FISH (Fluorescence In Situ Hybridization) on Peripheral blood samples. Results in 3-4 days. 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 the X & Y Identification Test is to accurately determine the chromosomal sex of an individual, which is essential for diagnosing sex-related disorders, guiding medical treatment, and addressing legal or personal inquiries. It helps in cases where sex determination is ambiguous due to genetic, hormonal, or developmental factors.
- Test Code
- 3239
- Price
- ₹5,250
- Sample Type
- Peripheral blood
- Result Time
- 3-4 days
- Fasting Required
- No
- Method
- FISH (Fluorescence In Situ Hybridization)
Sample Collection
X & Y Identification can be done with a Doctor’s prescription. Prescription is not applicable for surgery and pregnancy cases or people planning to travel abroad.
Method: Venipuncture
Laboratory Analysis
A blood sample is collected via venipuncture from a vein in the arm using a sterile needle and vacutainer.
Report Delivery
The sample is labeled and sent to the laboratory for DNA analysis. Results are typically available in 3-4 days.
Timeline: 3-4 days
Patient Instructions
About This Test
Who Should Get This Test
The purpose of the X & Y Identification Test is to accurately determine the chromosomal sex of an individual, which is essential for diagnosing sex-related disorders, guiding medical treatment, and addressing legal or personal inquiries. It helps in cases where sex determination is ambiguous due to genetic, hormonal, or developmental factors.
How to Prepare
- Use sodium heparin vacutainer (2ml)
- Maintain sample at ambient or cool temperature
- Avoid hemolysis during collection
Doctor's Notes
Reviewed by Dr SULOCHANA HEMCHANDRA HOLLA — MBBS, MD (Medical Genetics) · Reg. No. 8532
"This test is essential for diagnosing sex chromosome abnormalities and guiding clinical management in ambiguous cases."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Hemolyzed or clotted samples
- Insufficient sample volume
- Incorrect container or anticoagulant
- Unlabeled or mislabeled samples
Understanding Your Results
X and Y chromosomes detected
Male sex (46,XY)
Two X chromosomes detected, no Y chromosome
Female sex (46,XX)
Other chromosomal patterns
Possible sex chromosome abnormality; further testing recommended
Consult a doctor if results are inconclusive, abnormal, or if there are clinical signs of sex development disorders.
Limitations
- ⚠May not detect low-level mosaicism
- ⚠Cannot identify specific genetic mutations beyond sex chromosomes
- ⚠Results may be inconclusive in rare chromosomal abnormalities
Risks & Considerations
- ●Minor bruising or pain at the blood draw site
- ●Rare risk of infection
- ●Fainting or dizziness in some individuals
Interfering Factors
- ●Sample contamination
- ●Degraded DNA
- ●Hemolyzed blood sample
- ●Incorrect sample storage
Frequently Asked Questions
What is the X & Y Identification Test?
How is the test performed?
What is the cost of the test?
Is fasting required?
How long does it take to get results?
Is home collection available?
What are the indications for this test?
How accurate is the test?
Are there any risks?
Can the test be done during pregnancy?
What sample is needed?
How do I interpret the results?
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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
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✓ 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.
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