Protein C, Functional
CMH Lab Section
2.7 ml in a Sodium Citrate blue top tube
Turn Around Time
Batched: once/wk Thursdays
If activity is less than 60%, antigenic testing will automatically be performed. Indicate if patient is on coumadin as this will affect the result. All patients < 6 months will not be tested for functional Protein C. They will automatically be sent to St. Lukes for a Protein C Antigen.
Send Specimen to Hematology ASAP
Mechanical clot detection
>6 months= 60-130%
No reference range established for patients <6 months of age.