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Bloodborne Pathogens · Clinical Reagents · Application Insights · Procurement & Buyer's Guide
NAT yield testing for mid-size blood banks: what actually drives the economics
Key takeaways
NAT economics for mid-size blood banks are decided at design time: pool size modelled against your own prevalence, window-period claims per marker pinned in the contract, and workflow integration costs priced before signing.
- Model cost per infectious-unit intercepted at several pool sizes using your own donor data.
- Require window-period reduction claims per marker, under your pool size, as a contract annex.
- Price workflow integration — tube handling, lookback mapping, downtime recovery — up front.
- Verify the regulatory status of the exact assay configuration in each market you serve.
Target audienceBlood Bank Director, Procurement, Finance
Review and references
Compiled from public manufacturer materials and regulatory sources. Not independently verified and not reviewed by a named clinician.
2026-10-06
2026-10-06
professional use
FAQ
Common questions
What is NAT yield testing?
Nucleic acid amplification testing of blood donations to detect HIV, HBV, or HCV during the window period before serological markers appear, intercepting infections that antibody or antigen tests miss.
Is individual-donation NAT always better than minipool NAT?
It is more sensitive, especially for HBV, but costs substantially more per donation. The right choice depends on local prevalence, budget, and how much window-period closure the programme needs to buy.
Which cost is most often underestimated?
Workflow integration: tube handling, pool-to-donation mapping for lookback, and downtime recovery. These rarely appear in unit-price comparisons yet dominate the real cost of ownership.
How do we verify a vendor’s window-period claim?
Ask for the claim per marker, under your intended pool size, in writing — and file it as a contract annex. Claims are configuration-specific, and configurations differ between vendors.