STT3A Gene Congenital disorder of glycosylation, type Iw NGS Genetic Test
Short Name: STT3A CDG Type Iw NGS Test
Also known as: CDG Type Iw, STT3A-CDG, Congenital Glycosylation Disorder Type Iw
STT3A Gene Congenital disorder of glycosylation, type Iw NGS Genetic Test test available at DNA Labs India for ₹20,000. Uses Next-Generation Sequencing (NGS) on Blood or Extracted DNA or One drop Blood on FTA Card samples. Results in 3-4 weeks. 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 STT3A Gene CDG Type Iw NGS Genetic Test is to confirm a diagnosis of Congenital Disorder of Glycosylation Type Iw by detecting pathogenic variants in the STT3A gene. This helps in understanding the genetic basis of symptoms, guiding treatment plans, and providing information for family planning and genetic counseling.
- Test Code
- 1952
- Price
- ₹20,000
- Sample Type
- Blood or Extracted DNA or One drop Blood on FTA Card
- Result Time
- 3-4 weeks
- Fasting Required
- No
- Method
- Next-Generation Sequencing (NGS)
Sample Collection
No special preparation required. Ensure genetic counseling session is scheduled for family history assessment.
Method: Venipuncture
Laboratory Analysis
A blood sample will be drawn from a vein in the arm, or a finger prick for FTA card collection.
Report Delivery
Apply pressure to the puncture site to prevent bleeding. Resume normal activities unless otherwise advised.
Timeline: 3-4 weeks
Patient Instructions
About This Test
Who Should Get This Test
The purpose of the STT3A Gene CDG Type Iw NGS Genetic Test is to confirm a diagnosis of Congenital Disorder of Glycosylation Type Iw by detecting pathogenic variants in the STT3A gene. This helps in understanding the genetic basis of symptoms, guiding treatment plans, and providing information for family planning and genetic counseling.
How to Prepare
- Schedule appointment for sample collection
- Provide clinical history and family pedigree chart
- For blood sample, avoid excessive physical activity before collection
- Ensure proper labeling of samples
Doctor's Notes
Reviewed by Dr SULOCHANA HEMCHANDRA HOLLA — MBBS, MD (Medical Genetics) · Reg. No. 8532
"This test is vital for early diagnosis of rare metabolic disorders in children, enabling timely management and family counseling."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Sample hemolyzed or clotted
- Insufficient volume
- Improperly labeled or stored samples
Understanding Your Results
No pathogenic variants detected
Negative result; does not completely rule out CDG but suggests low genetic risk
Pathogenic variant detected
Positive result confirming diagnosis of CDG Type Iw; implications for management and family counseling
Variant of uncertain significance
Further testing or family studies may be needed for clarification
Consult a doctor or genetic specialist if the test is positive, if symptoms persist, or for guidance on management and family planning.
Limitations
- ⚠May not detect all possible genetic variants or mutations
- ⚠Cannot predict disease severity or progression accurately
- ⚠Results require interpretation by a qualified geneticist
Risks & Considerations
- ●Minor bruising at puncture site
- ●Rare risk of infection
- ●Emotional impact of genetic results
Interfering Factors
- ●Poor sample quality or contamination
- ●Insufficient DNA quantity
- ●Previous blood transfusions affecting DNA integrity
Compare With Similar Tests
| Test | STT3A Gene Congenital disorder of glycosylation, type Iw NGS Genetic Test | PMM2 Gene CDG Type Ia NGS Test | Metabolic Disorder Gene Panel |
|---|---|---|---|
| Comparison | STT3A Gene Congenital disorder of glycosylation, type Iw NGS Genetic Test | Focuses on a different gene for CDG Type Ia; similar cost and technology | Broader panel including multiple genes for various metabolic disorders |
Frequently Asked Questions
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