CYTOGENETICS
LABORATORY
SUBOPTIMAL OR UNACCEPTABLE SPECIMENS
Blood and Bone Marrow
1. Clotted specimen
2. Collected in inappropriate anticoagulant
3. Received more than 48 hours after
collection
4. Inappropriate or leaky container
5. Inadequate volume (QNS)
6. Unlabeled or mislabeled specimen
Solid Tissue and Tumor
1. Collected under non-sterile conditions
2. Transported in non-sterile, leaky, or
dry container
3. Inadequate size sample
4. Received more than 24 hours after
collection if not refrigerated,
or 48 hours after
collection if refrigerated
5. Unlabeled or mislabeled specimen