---
kind: "unit"
title: "45"
title_heading: "Public Welfare"
key: "subtA/subchB"
level: "subchap"
label: "Subchapter B"
heading: "Requirements Relating to Health Care Access"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/45/subtA-subchB"
sections_count: 550
---

# Subchapter B — Requirements Relating to Health Care Access

Title 45 C.F.R. — Public Welfare › Subtitle A — Department of Health and Human Services

## Contents

- [Part 140-143 — Parts 140-143 [reserved]](/cfr/45/subtA-subchB-part140-143.md)
- [Part 144 — Requirements Relating to Health Insurance Coverage](/cfr/45/subtA-subchB-part144.md)
- [Part 145 — Part 145 [reserved]](/cfr/45/subtA-subchB-part145.md)
- [Part 146 — Requirements for the Group Health Insurance Market](/cfr/45/subtA-subchB-part146.md)
- [Part 147 — Health Insurance Reform Requirements for the Group and Individual Health Insurance Markets](/cfr/45/subtA-subchB-part147.md)
- [Part 148 — Requirements for the Individual Health Insurance Market](/cfr/45/subtA-subchB-part148.md)
- [Part 149 — Surprise Billing and Transparency Requirements](/cfr/45/subtA-subchB-part149.md)
- [Part 150 — Cms Enforcement in Group and Individual Insurance Markets](/cfr/45/subtA-subchB-part150.md)
- [Part 151 — Part 151 [reserved]](/cfr/45/subtA-subchB-part151.md)
- [Part 152 — Pre-Existing Condition Insurance Plan Program](/cfr/45/subtA-subchB-part152.md)
- [Part 153 — Standards Related to Reinsurance, Risk Corridors, and Hhs Risk Adjustment under the Affordable Care Act](/cfr/45/subtA-subchB-part153.md)
- [Part 154 — Health Insurance Issuer Rate Increases: Disclosure and Review Requirements](/cfr/45/subtA-subchB-part154.md)
- [Part 155 — Exchange Establishment Standards and Other Related Standards under the Affordable Care Act](/cfr/45/subtA-subchB-part155.md)
- [Part 156 — Health Insurance Issuer Standards under the Affordable Care Act, Including Standards Related to Exchanges](/cfr/45/subtA-subchB-part156.md)
- [Part 157 — Employer Interactions with Exchanges and Shop Participation](/cfr/45/subtA-subchB-part157.md)
- [Part 158 — Issuer Use of Premium Revenue: Reporting and Rebate Requirements](/cfr/45/subtA-subchB-part158.md)
- [Part 159 — Health Care Reform Insurance Web Portal](/cfr/45/subtA-subchB-part159.md)