MarketplaceAssessment-and-plansGet Assessment And Plans Hcpcs Code Modifiers lookup valuesGet Assessment And Plans Hcpcs Code Modifiers lookup values GET /api/v1/lookups/assessment-and-plans/hcpcs-code-modifiers Retrieves all available assessment and plans hcpcs code modifiers lookup values from the practice management system. Request Responses200400SuccessBad Request