Add 0.5 mL of filtered deionized/distilled water. The plasma contains 20 mM HEPES buffer.
Store at +2°/+8°C.
Reconstituted plasma should be held on melting ice for the duration of the testing.
The material should be used within 4 hours of reconstitution.

The lyophilized presentation allows greater stability until the expiration date.

- Screw-capped glass vial containing the equivalent of 0.5 mg plasma.