SPECIMEN COLLECTION

Cytogenetic Sample Collection

Peripheral Blood

• Collect 3-5ml of blood in a sodium heparin tube by routine venipuncture

•  Label the tube with the patient name and UH number

• Transport the specimen at room temperature or store in the refrigerator for delivery delays greater than 24 hours

• Samples must be accompanied by a completed Cytogenetics requisition form

Bone Marrow Aspirate

• Collect 2-5ml of bone marrow aspirate in a sodium heparin tube

• Label the tube with the patient name and UH number

• Transport the specimen at room temperature or store in the refrigerator for delivery delays greater than 24 hours

• Samples must be accompanied by a completed Cytogenetics requisition form

Products of Conception

• Collect  ~2-4mm2 of villi, placental tissue, umbilical tissue, fascia, or fetal organ tissue

• Place the sample in cytogenetic transport media (or sterile saline if media is not available) and label the container with the patient name and UH number

• Solutions containing formalin are not acceptable for collecting cytogenetic samples

• Deliver the sample with a completed Cytogenetics requisition form to the Cytogenetics lab as soon as possible

• Samples may be refrigerated for delivery delays greater than 24 hours

• Bone, fat tissue, and muscle tissue are not acceptable samples sources

Tissue Samples (Skin Biopsy, Solid Tumors, Lymph Nodes)

• Collect a 2mm punch or ~2-4mm2 tissue section

• Place the sample in cytogenetic transport media (or sterile saline if media is not available) and label the container with the patient name and UH number

• Solutions containing formalin are not acceptable for collecting cytogenetic samples

• Deliver the sample with a completed Cytogenetics requisition form to the Cytogenetics lab as soon as possible

• Samples may be refrigerated for delivery delays greater than 24 hours

Amniotic Fluid

• Collect 10-30ml of amniotic fluid into sterile syringes (needles removed) or tubes

• Label the sample with the patient name and UH number

• Deliver the sample with a completed Cytogenetics requisition form to the Cytogenetics lab as soon as possible

• Samples may be refrigerated for delivery delays greater than 24 hour

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