Medi-Cal Aid Codes Master Chart

The Aid Codes Master Chart was developed for use in conjunction with the Medi-Cal Eligibility Verification System (EVS). Providers must submit an inquiry to the EVS to verify a recipient’s eligibility for services. The eligibility response returns a message indicating whether the recipient is eligible, and for what services. The message includes an aid code if the recipient is eligible. If a recipient has an unmet Share of Cost (SOC), an aid code is not returned, since the recipient is not considered eligible until the Share of Cost is met. A recipient may have more than one aid code, and may be eligible for multiple programs and services.

The aid codes in this chart are meant to assist providers in identifying the types of services for which Medi-Cal and Public Health Program recipients are eligible. The chart includes only aid codes used to bill for services through the Medi-Cal claims processing systems and for other non Medi-Cal programs that need to verify eligibility through EVS.

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