---
type: "Bill"
title: "Health Insurance - Mental Health Benefits and Substance Use Disorder Benefits - Reports on Nonquantitative Treatment Limitations and Data"
description: "Health Insurance - Mental Health Benefits and Substance Use Disorder Benefits - Reports on Nonquantitative Treatment Limitations and Data"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2020"
identifier: "HB 455"
citation: "Maryland HB 455 (2020)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Bagnall", "Belcastro", "Bhandari", "Carr", "Charles", "Chisholm", "Cullison", "Hill", "Johnson", "K. Young", "Kelly", "Kerr", "Kipke", "Krebs", "Morgan", "Pena-Melnyk", "Pendergrass", "R. Lewis", "Reilly", "Rosenberg", "Saab", "Szeliga"]
version_count: 3
action_count: 12
vote_count: 2
first_action: "2020-01-24"
last_action: "2020-05-08"
source: "openstates"
source_identifier: "ocd-bill/1f99aa02-2fb9-4225-ac5c-247adadbf8a2"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0455?ys=2020RS&search=True"
source_hash: "c1237c1528faa62f344e206c58401e9bc3b238e8d42450c19c831fe318b4e012"
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 455 (2020) — Health Insurance - Mental Health Benefits and Substance Use Disorder Benefits - Reports on Nonquantitative Treatment Limitations and Data

## Version chain

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

1. **Chapter - Health Insurance - Mental Health Benefits and Substance Use Disorder Benefits - Reports on Nonquantitative Treatment Limitations and Data** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/Chapters_noln/CH_211_hb0455t.pdf)
2. **First - Health Insurance - Coverage for Mental Health Benefits and Substance Use Disorder Benefits - Treatment Criteria** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/bills/hb/hb0455f.pdf)
3. **Third - Health Insurance - Mental Health Benefits and Substance Use Disorder Benefits - Reports on Nonquantitative Treatment Limitations and Data** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/bills/hb/hb0455t.pdf)

## Votes

- On Third Reading — **134–0** (pass) · lower
- HB 455 HB 557 HB 652 HB 935 HB 1229 — **46–0** (pass) · upper

## Sponsors

- Bagnall — primary (person)
- Belcastro — primary (person)
- Bhandari — primary (person)
- Carr — primary (person)
- Charles — primary (person)
- Chisholm — primary (person)
- Cullison — primary (person)
- Hill — primary (person)
- Johnson — primary (person)
- K. Young — primary (person)
- Kelly — primary (person)
- Kerr — primary (person)
- Kipke — primary (person)
- Krebs — primary (person)
- Morgan — 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.

- **2020-01-24** First Reading Health and Government Operations `referral-committee`
- **2020-02-06** Hearing 2/20 at 1:00 p.m.
- **2020-03-12** Favorable with Amendments Report by Health and Government Operations `committee-passage-favorable`
- **2020-03-12** Favorable with Amendments { `committee-passage-favorable`
- **2020-03-12** Second Reading Passed with Amendments
- **2020-03-13** Third Reading Passed `passage`
- **2020-03-14** Referred Finance `referral-committee`
- **2020-03-15** Favorable Report by Finance `committee-passage-favorable`
- **2020-03-15** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2020-03-16** Third Reading Passed `passage`
- **2020-03-17** Returned Passed
- **2020-05-08** Enacted under Article II, Section 17(c) of the Maryland Constitution - Chapter 211 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/1f99aa02-2fb9-4225-ac5c-247adadbf8a2`. Confidence: reported (aggregated from official Maryland legislature records).