---
type: "Bill"
title: "Health Insurance - Pediatric Autoimmune Neuropsychiatric Disorders - Modification of Coverage Requirements"
description: "Health Insurance - Pediatric Autoimmune Neuropsychiatric Disorders - Modification of Coverage Requirements"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2022"
identifier: "HB 820"
citation: "Maryland HB 820 (2022)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Carr"]
version_count: 3
action_count: 13
vote_count: 2
first_action: "2022-02-03"
last_action: "2022-05-12"
source: "openstates"
source_identifier: "ocd-bill/8771715c-8c8e-48b8-8613-edfca80cf23b"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0820?ys=2022RS&search=True"
source_hash: "9521234a8e164de27c837519db593e570f541bd7a35c28c41936d2bc75dc6066"
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 820 (2022) — Health Insurance - Pediatric Autoimmune Neuropsychiatric Disorders - Modification of Coverage Requirements

## Version chain

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

1. **Chapter - Health Insurance - Pediatric Autoimmune Neuropsychiatric Disorders - Modification of Coverage Requirements** (committee substitute) — [source](http://mgaleg.maryland.gov/2022RS/Chapters_noln/CH_321_hb0820t.pdf)
2. **First - Health Insurance - Pediatric Autoimmune Neuropsychiatric Disorders - Modification of Coverage Requirements** (committee substitute) — [source](http://mgaleg.maryland.gov/2022RS/bills/hb/hb0820f.pdf)
3. **Third - Health Insurance - Pediatric Autoimmune Neuropsychiatric Disorders - Modification of Coverage Requirements** (committee substitute) — [source](http://mgaleg.maryland.gov/2022RS/bills/hb/hb0820t.pdf)

## Votes

- On Third Reading — **136–0** (pass) · lower
- On Third Reading — **46–0** (pass) · upper

## Sponsors

- Carr — primary (person)

## Timeline

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

- **2022-02-03** First Reading Health and Government Operations `referral-committee`
- **2022-02-14** Hearing 2/24 at 1:30 p.m.
- **2022-03-07** Favorable Report by Health and Government Operations `committee-passage-favorable`
- **2022-03-08** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2022-03-10** Third Reading Passed `passage`
- **2022-03-11** Referred Finance `referral-committee`
- **2022-03-18** Hearing 3/24 at 1:00 p.m.
- **2022-04-04** Favorable Report by Finance `committee-passage-favorable`
- **2022-04-05** Favorable Adopted `committee-passage-favorable`
- **2022-04-05** Second Reading Passed
- **2022-04-06** Third Reading Passed `passage`
- **2022-04-07** Returned Passed
- **2022-05-12** Approved by the Governor - Chapter 321 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/8771715c-8c8e-48b8-8613-edfca80cf23b`. Confidence: reported (aggregated from official Maryland legislature records).