Single Donor Human Pediatric Whole Blood Ages 15-17 1 Sample - Single Donor Human Pediatric Whole Blood from Innovative Research is generally 0.25 mL in sample size, with each sample collected from a unique donor. Available as unspecified (any age up to 18 years) or in age ranges of 0-3 years, 4-7 years, 8-10 years, 11-14 years and 15-17 years. Anticoagulant used is K2 EDTA. Custom collections, demographic requests, and additional anticoagulants may be available upon request.