California historically has used many thousands of local (also known as interim) codes to cover services and supplies. National codes, such as Current Procedural Terminology (CPT) and Healthcare Common Procedural Coding System (HCPCS) typically are more general in nature compared to local codes. Local codes were used to describe services found in specialty programs such as the California Perinatal Services Program, 1115 Waiver, and Family Pact, but are found throughout Medi-Cal. OHC is employing a phased-in approach to complete work converting local codes to national codes.
Specific implementation dates for the remaining code categories are not available at this time.