SKU:DGNSER-01
Meril Diagnostics
MERISERA® Anti-D (IgG+IgM) Blood Grouping Reagent — Dual Antibody for Weak D Detection (10ml)
MERISERA® Anti-D (IgG+IgM) Blood Grouping Reagent — Dual Antibody for Weak D Detection (10ml)
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MERISERA® Anti-D (IgG+IgM) — Dual Antibody Reagent for Rh(D) Typing and Weak D Detection
MERISERA® Anti-D (IgG+IgM) is a blend of monoclonal IgM and IgG anti-D antibodies for comprehensive Rh(D) blood group typing. The IgM component provides immediate spin/slide agglutination for routine Rh typing, while the IgG component enables detection of weak D (Du) variants via the indirect antiglobulin test (IAT/Coombs test). This dual-antibody format is the blood bank gold standard for complete Rh(D) determination.
Why IgG+IgM Matters
Standard IgM-only Anti-D detects most Rh(D) positive samples but can miss weak D (Du) variants — individuals with reduced D antigen expression. If mistyped as Rh-negative, these patients may receive Rh-negative blood unnecessarily (wasting a scarce resource) or, if donors, their Rh-positive units may be transfused to Rh-negative recipients causing alloimmunization. The IgG+IgM blend ensures no weak D is missed — IgG antibodies sensitize weak D cells for detection by AHG in the Coombs phase.
Key Features
- Dual Antibody Blend: IgM for direct agglutination (routine typing) + IgG for IAT/Coombs phase (weak D detection)
- Weak D (Du) Detection: Detects partial and weak D variants that IgM-only reagents miss — critical for blood bank safety
- High Avidity: Strong immediate agglutination on slide/tube for routine Rh typing
- High Titre: ≥1:128 — reliable in both direct and indirect phases
- AABB/DGHS Compliant: Meets blood bank regulatory requirements for complete Rh(D) determination
- Free from TTI: Negative for HIV-1/2, anti-HCV, and HBsAg
- 10ml Pack: Dropper bottle for routine use
Clinical Applications
- Complete Rh(D) typing including weak D (Du) detection in blood banks
- Donor Rh typing — ensures weak D donors are correctly classified as Rh-positive
- Antenatal Rh determination — accurate typing guides anti-D immunoprophylaxis decisions
- Newborn Rh typing in HDFN investigation
- Resolution of Rh typing discrepancies
- Quality control for Rh(D) testing in transfusion services
Testing Protocol
| Phase | Method | Detects |
| Immediate Spin / Slide | Direct agglutination (IgM) | Standard Rh(D) positive |
| IAT / Coombs Phase | Indirect antiglobulin test (IgG) | Weak D (Du) variants |
Product Specifications
| SKU | DGMSER-01 |
| Product | Anti-D (IgG+IgM) Blood Grouping Reagent |
| Volume | 10 ml |
| Antibody Type | Monoclonal blend — IgM (direct) + IgG (IAT/Coombs) |
| Specificity | Anti-D (Rh₀) — routine Rh typing + weak D (Du) detection |
| Titre | ≥1:128 |
| Method | Slide, Tube (immediate spin) + IAT (Coombs) |
| Storage | 2–8°C |
| HSN Code | 3002 |
| GST | 5% (inclusive in listed price) |
| Manufacturer | Meril Diagnostics Pvt. Ltd., India |
Anti-D IgM vs. Anti-D IgG+IgM — Which Do You Need?
| Anti-D IgM only (ANDSER-01) | Anti-D IgG+IgM (this product) | |
| Routine Rh typing | ✅ Yes | ✅ Yes |
| Weak D (Du) detection | ❌ No | ✅ Yes (via IAT) |
| Best for | Pathology labs, rapid screening | Blood banks, antenatal, HDFN |
| Price | ₹300 | ₹550 |
Why Buy From Agile Healthcare?
- Authorized Meril Diagnostics master distributor — genuine stock with batch traceability
- GST-inclusive pricing — no hidden charges
- Volume discounts: 10% off at 5+, 18% off at 10+, 25% off at 25+
- Cold-chain compliant packaging for temperature-sensitive reagents
- Pan-India delivery within 3–5 business days
- Complete MeriSera range: Anti-A | Anti-B | Anti-D (IgM) | Anti-ABD Kit
