---
kind: "unit"
title: "42"
title_heading: "Public Health"
key: "chIV/subchB/part419"
level: "part"
label: "Part 419"
heading: "Prospective Payment Systems for Hospital Outpatient Department Services"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/42/chIV-subchB-part419"
sections_count: 36
---

# Part 419 — Prospective Payment Systems for Hospital Outpatient Department Services

Title 42 C.F.R. — Public Health › Chapter IV — Centers for Medicare & Medicaid Services, Department of Health and Human Services › Subchapter B — Medicare Program

## Contents

- [Subpart A — General Provisions](/cfr/42/chIV-subchB-part419-subpartA.md)
- [Subpart B — Categories of Hospitals and Services Subject to and Excluded From the Hospital Outpatient Prospective Payment System](/cfr/42/chIV-subchB-part419-subpartB.md)
- [Subpart C — Basic Methodology for Determining Prospective Payment Rates for Hospital Outpatient Services](/cfr/42/chIV-subchB-part419-subpartC.md)
- [Subpart D — Payments to Hospitals](/cfr/42/chIV-subchB-part419-subpartD.md)
- [Subpart E — Updates](/cfr/42/chIV-subchB-part419-subpartE.md)
- [Subpart F — Limitations on Review](/cfr/42/chIV-subchB-part419-subpartF.md)
- [Subpart G — Transitional Pass-through Payments](/cfr/42/chIV-subchB-part419-subpartG.md)
- [Subpart H — Transitional Corridors](/cfr/42/chIV-subchB-part419-subpartH.md)
- [Subpart I — Prior Authorization for Outpatient Department Services](/cfr/42/chIV-subchB-part419-subpartI.md)
- [Subpart J — Payments to Rural Emergency Hospitals (REHs)](/cfr/42/chIV-subchB-part419-subpartJ.md)