POST VON WILLEBRAND FACTOR ACTIVITY
Synonyms: | Post VWF Activity |
Computer Code: | (POVWAC) |
Specimen Collection: | 2.7 mL blood (blue top tube). Transport to lab within 3 hours. |
Minimum Volume: | 1.5 mL |
Handling Instructions for Offsite Areas: | Maintain at room temperature. If specimen cannot be transported within 4 hours, send platelet poor plasma frozen to -20C or less. To obtain platelet poor plasma: centrifuge and separate into a transport tube. |
Reference Values: | 40-163% |
Lab Code: | Diagnostic Hematology |
Requisition: | SPEC H |
Test Frequency: | weekly |
Routine TAT: | 7 days |
Stat TAT: | Must call Hematology lab for stat request. |
CPT Code(s): | 85245 |
LCD or NCD: | |
Methodology Used: |
See Addendum XVII |