For newborns, a minimum of 1 ml peripheral blood in 3 ml sterile, sodium-heparinizedvacutainer. Send another tissue for backup. Cancer Chromosome Analysis Obtain 1.5 ml bone marrow specimen from the first or second aspiration,using a sodium-heparinized syringe. Place the bone marrow in a 3 ml sodium-heparinized vacutainer. Specimen collection is as described for chromosome analysis.
Transport specimens by overnight express courier service.
Specimens must arrive within 24 hours of collection. Specimens should be collected under sterile conditions and transported at room temperature unless otherwise indicated. Protect against desiccation. Special arrangements are required if extremes in temperatures or extended transport times are anticipated. Send a completed cytogenetics patient information form with the specimen.