GAD-65 (Glutamic Acid Decarboxylase-65) IgG Test
Short Name: GAD-65 IgG Test
Also known as: Glutamic Acid Decarboxylase Antibody Test, GAD Antibody Test, Anti-GAD65 Test
GAD-65 (Glutamic Acid Decarboxylase-65) IgG Test test available at DNA Labs India for ₹8,500. Uses Enzyme Immunoassay on Serum samples. Results in Same day for samples received by Wednesday or Saturday by 9 am at DNA Labs India.. Free home collection in 300+ cities across India.
Overview
To diagnose autoimmune disorders such as type 1 diabetes and stiff person syndrome, assess risk for insulin-dependent diabetes mellitus (IDDM), predict onset of IDDM, and monitor autoimmune responses.
- Test Code
- 632
- Price
- ₹8,500
- Sample Type
- Serum
- Result Time
- Same day for samples received by Wednesday or Saturday by 9 am at DNA Labs India.
- Fasting Required
- No
- Method
- Enzyme Immunoassay
Sample Collection
No special preparation required. Inform your doctor about any medications or health conditions.
Method: Venipuncture
Laboratory Analysis
A healthcare professional will draw a blood sample from a vein in your arm using standard venipuncture procedure.
Report Delivery
Apply gentle pressure to the puncture site with a bandage. Mild bruising may occur.
Timeline: Same day for samples received by Wednesday or Saturday by 9 am at DNA Labs India.
Patient Instructions
About This Test
Who Should Get This Test
To diagnose autoimmune disorders such as type 1 diabetes and stiff person syndrome, assess risk for insulin-dependent diabetes mellitus (IDDM), predict onset of IDDM, and monitor autoimmune responses.
How to Prepare
- Collect 2 mL serum in a Serum Separator Tube (SST).
- Ship samples refrigerated (2-8°C) or frozen (-20°C) for stability.
Doctor's Notes
"This test is crucial for early diagnosis of autoimmune diabetes and assessing risk for related endocrine disorders, aiding in timely management."
Test Parameters & Specifications
Sample Stability
- Hemolyzed or lipemic samples may be rejected.
- Insufficient sample volume.
- Improperly labeled or contaminated specimens.
Understanding Your Results
Positive
Elevated GAD-65 IgG antibodies indicate an autoimmune condition such as type 1 diabetes or stiff person syndrome. Further evaluation is needed.
Negative
No significant GAD-65 IgG antibodies detected, suggesting absence of associated autoimmune disorders. Clinical correlation is recommended.
Equivocal
Borderline results may require repeat testing or additional diagnostic workup for confirmation.
If you experience symptoms like high blood sugar, frequent urination, muscle stiffness, or neurological issues, or if test results are positive, consult an endocrinologist or immunologist for diagnosis and management.
Limitations
- ⚠Results may vary based on laboratory methods.
- ⚠False positives or negatives can occur in rare cases.
- ⚠Test should be interpreted in conjunction with clinical symptoms and other diagnostic tests.
Risks & Considerations
- ●Minor bruising at puncture site
- ●Rare infection or dizziness
- ●Slight discomfort during blood draw
Compare With Similar Tests
| Test | GAD-65 (Glutamic Acid Decarboxylase-65) IgG Test | HbA1c Test | Insulin Antibody Test | Islet Cell Antibody Test | C-Peptide Test |
|---|---|---|---|---|---|
| Comparison | GAD-65 (Glutamic Acid Decarboxylase-65) IgG Test | Measures average blood sugar over 3 months; complementary for diabetes monitoring. | Detects antibodies against insulin; used alongside GAD-65 for autoimmune diabetes diagnosis. | Identifies antibodies against pancreatic islet cells; similar diagnostic role in type 1 diabetes. | Assesses insulin production; helps differentiate between type 1 and type 2 diabetes. |
Frequently Asked Questions
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