Inform your doctor if you are on any medications, have any allergies or underlying medical conditions before your Des-Gamma Carboxy Prothrombin (Dcp) Pivka Ii Serum Chemiluminescent Microparticle Immunoassay Blood Serum. Your doctor will give specific instructions depending on your condition on how to prepare for Des-Gamma Carboxy Prothrombin (Dcp) Pivka Ii Serum Chemiluminescent Microparticle Immunoassay Blood Serum.