42 CFR § 600.510 - Cost-sharing.

---
identifier: "/us/cfr/t42/s600.510"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "42 CFR § 600.510 - Cost-sharing."
title_number: 42
title_name: "Public Health"
section_number: "600.510"
section_name: "Cost-sharing."
chapter_name: "CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "I"
subchapter_name: "BASIC HEALTH PROGRAM"
part_number: "600"
part_name: "ADMINISTRATION, ELIGIBILITY, ESSENTIAL HEALTH BENEFITS, PERFORMANCE STANDARDS, SERVICE DELIVERY REQUIREMENTS, PREMIUM AND COST SHARING, ALLOTMENTS, AND RECONCILATION"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Section 1331 of the Patient Protection and Affordable Care Act of 2010 (Pub. L. 111-148, 124 Stat. 119), as amended by the Health Care and Education Reconciliation Act of 2010 (Pub. L. 111-152, 124 Stat 1029)."
regulatory_source: "79 FR 14140, Mar. 12, 2014, unless otherwise noted."
cfr_part: "600"
---


# 600.510 Cost-sharing.

(a) *Cost-sharing requirements.* (1) For cost sharing imposed on enrollees, the State must assure the following:

(i) The cost sharing imposed on enrollees meet the standards detailed in § 600.520(c).

(ii) The establishment of an effective system to monitor and track the cost-sharing standards consistent with § 600.520(b) through (d).

(2) This assurance must be reflected in the BHP Blueprint, which shall also include the group or groups of enrollees subject to the cost sharing.

(b) *Cost sharing for preventive health services.* A State may not impose cost sharing with respect to the preventive health services or items, as defined in, and in accordance with 45 CFR 147.130.