Posted Date
Effective Date
Test Name
Protein C Antigen
Update Type
Test Resumed
CPT Code
85302
Order Code
PCAG
TEST RESUME
Protein C Antigen
Order Code: PCAG
Fee Code: 31112 (CPT 85302)
Effective October 2, 2026, Michigan Medicine Laboratories Coagulation lab test, Protein C Antigen, will resume testing in-house.