Hold Sample
| Specialty | Compatibility Testing |
| Test Information | Patient sample is held for 72 hours and then discarded. No testing is performed. Hold sample can be converted to a Type and Screen or a crossmatch via the telephone or fax. |
| Sample Requirements | EDTA |
| Requested Volume | 7 ml EDTA (purple top) tube |
| Minimum Volume or Pediatric vol | 1-5 years old, 3 ml EDTA; < 1 year old, 2 full 0.5 ml EDTA microtainers |
| Requisition Form | Request for Blood and Transfusion Testing |