Blood grouping, crossmatch and screening supplies

Identify liquid reagent requirements

ABO/Rh(D) products need the full reagent identity and intended method. Antiglobulin products need the required specificity and formulation. Include the current reference where continuity matters. Similar abbreviated labels should not be used to establish equivalence between products that the laboratory has not reviewed.

Gel cards need a defined configuration

State the card profile and compatible system, including the equipment used for processing or reading where relevant. Ask which accompanying cells, diluents and controls are required. An offer described only as grouping cards or crossmatch cards does not define the complete consumable requirement.

Separate patient diagnostic use from donor screening

For infection-screening products, ask for documentation confirming the exact intended use of the offered assay. A rapid test with a familiar target name is not automatically appropriate for screening donated blood. The responsible service should assess its fit with approved screening policy before purchase.

Compare usable quantities and supporting materials

Request vial volumes, tests or cards per pack and proposed expiry. Reagent cells, controls and supplementary solutions may be separate products with their own storage requirements. A small apparent saving on the main reagent may conceal missing components or a pack that exceeds realistic use.

Request documents before approving alternatives

Obtain instructions and relevant product specifications for the actual version offered. Keep substitute formulations and changed platform configurations visible. Purchasing can organise a complete commercial comparison, while the technical team establishes suitability for the service's approved methods and quality arrangements.

Common questions