Posted Date
Effective Date
Test Name
Protein C Antigen
Update Type
Test Down or Delayed
CPT Code
85302
Order Code
PCAG
TEST DOWN
Protein C Antigen
Order Code: PCAG
Fee Code: 31112 (CPT 85302)
Effective July 1, 2026, Michigan Medicine Laboratories Coagulation lab test, Protein C Antigen, will be unavailable due to a manufacturer reagent supply issue. The current reagent lot expires June 30, 2026, and the manufacturer currently does not have replacement lots available. Specimens will be forwarded to Mayo Clinic Laboratories until further notice.