HEPARIN, UNFRACTIONATED
| Synonyms: | Anti Xa level for unfractionated heparin |
| Computer Code: | UFH |
| Specimen Collection: | 2.7 mL blood (blue top tube) 90% full or 1.8 ml blood (blue top tube) 90% full. Transport to lab within 3 hours. |
| Minimum Volume: | blood to anticoagulant ratio must be met 90% full |
| Handling Instructions for Offsite Areas: | Maintain at room temperature. If specimen cannot be transported within 2 hours, centrifuge at 3,000 rpm for 20 minutes. Using a plastic pipette, transfer plasma to plastic tube and freeze plasma. |
| Reference Values: | Not applicable |
| Lab Code: | Hematology |
| Requisition: | SPEC H |
| Test Frequency: | Weekly |
| Routine TAT: | 4 hrs |
| Stat TAT: | contact lab |
| CPT Code(s): | 85520 |
| LCD or NCD: | |
| Methodology Used: |
See Addendum XVII |