---
type: "Bill"
title: "Public Health - Medications to Treat an Opioid Use Disorder - Preferred and Nonpreferred Medications"
description: "Public Health - Medications to Treat an Opioid Use Disorder - Preferred and Nonpreferred Medications"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2022"
identifier: "HB 578"
citation: "Maryland HB 578 (2022)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Bagnall", "Belcastro", "Bhandari", "Carr", "Charkoudian", "Chisholm", "Cullison", "Hill", "Johnson", "K. Young", "Kaiser", "Kelly", "Kerr", "Kipke", "Krebs", "Landis", "Lehman", "Moon", "Morgan", "P. Young", "Palakovich Carr", "Patterson", "Pena-Melnyk", "Pendergrass", "R. Lewis", "Reilly", "Rosenberg", "Saab", "Szeliga"]
version_count: 3
action_count: 12
vote_count: 1
first_action: "2022-01-31"
last_action: "2022-04-12"
source: "openstates"
source_identifier: "ocd-bill/3d1c5282-ded0-449f-bd2a-03120f06d12c"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0578?ys=2022RS&search=True"
source_hash: "1ceaa6e60ca319c1598c3e7130e2a5f1d591e92ee421db35c4ccc0b82b3cf42f"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-md"]
---

# Maryland HB 578 (2022) — Public Health - Medications to Treat an Opioid Use Disorder - Preferred and Nonpreferred Medications

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Chapter - Public Health - Medications to Treat an Opioid Use Disorder - Preferred and Nonpreferred Medications** (committee substitute) — [source](http://mgaleg.maryland.gov/2022RS/Chapters_noln/CH_83_hb0578t.pdf)
2. **First - Maryland Medical Assistance Programs - Prior Authorization for Drug Products to Treat an Opioid Use Disorder - Prohibition** (committee substitute) — [source](http://mgaleg.maryland.gov/2022RS/bills/hb/hb0578f.pdf)
3. **Third - Public Health - Medications to Treat an Opioid Use Disorder - Preferred and Nonpreferred Medications** (committee substitute) — [source](http://mgaleg.maryland.gov/2022RS/bills/hb/hb0578t.pdf)

## Votes

- On Third Reading — **139–0** (pass) · lower

## Sponsors

- Bagnall — primary (person)
- Belcastro — primary (person)
- Bhandari — primary (person)
- Carr — primary (person)
- Charkoudian — primary (person)
- Chisholm — primary (person)
- Cullison — primary (person)
- Hill — primary (person)
- Johnson — primary (person)
- K. Young — primary (person)
- Kaiser — primary (person)
- Kelly — primary (person)
- Kerr — primary (person)
- Kipke — primary (person)
- Krebs — primary (person)
- Landis — primary (person)
- Lehman — primary (person)
- Moon — primary (person)
- Morgan — primary (person)
- P. Young — primary (person)
- Palakovich Carr — primary (person)
- Patterson — primary (person)
- Pena-Melnyk — primary (person)
- Pendergrass — primary (person)
- R. Lewis — primary (person)
- Reilly — primary (person)
- Rosenberg — primary (person)
- Saab — primary (person)
- Szeliga — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2022-01-31** First Reading Health and Government Operations `referral-committee`
- **2022-02-03** Hearing 2/16 at 1:30 p.m.
- **2022-03-14** Favorable with Amendments Report by Health and Government Operations `committee-passage-favorable`
- **2022-03-15** Favorable with Amendments { `committee-passage-favorable`
- **2022-03-15** Second Reading Passed with Amendments
- **2022-03-16** Third Reading Passed `passage`
- **2022-03-16** Referred Finance `referral-committee`
- **2022-03-29** Favorable Report by Finance `committee-passage-favorable`
- **2022-03-29** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2022-03-31** Third Reading Passed `passage`
- **2022-03-31** Returned Passed
- **2022-04-12** Approved by the Governor - Chapter 83 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/3d1c5282-ded0-449f-bd2a-03120f06d12c`. Confidence: reported (aggregated from official Maryland legislature records).