---
type: "Bill"
title: "Controlled substances: opioids; distribution of opioid antagonists by community based-organizations under a standing order; allow and limit certain liability. Amends sec. 17744e of 1978 PA 368 (MCL 333.17744e)."
description: "Controlled substances: opioids; distribution of opioid antagonists by community based-organizations under a standing order; allow and limit certain liability. Amends sec. 17744e of 1978 PA 368 (MCL 333.17744e)."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2021-2022"
identifier: "HB 5166"
citation: "Michigan HB 5166 (2021-2022)"
classification: ["bill"]
subjects: ["Controlled substances: opioids", "Health: pharmaceuticals", "State agencies (existing): health and human services", "State agencies (existing): licensing and regulatory affairs"]
status: "enacted"
primary_sponsors: ["Mary Whiteford"]
version_count: 5
action_count: 26
vote_count: 2
first_action: "2021-06-29T04:00:00+00:00"
last_action: "2022-08-17T04:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/93f37490-1a1e-4d23-91b1-439cb0e9a7fd"
source_url: "http://legislature.mi.gov/doc.aspx?2021-HB-5166"
source_hash: "572232aa9aaa5c15d44274511a6835f62e33ec35f13728f6c0705fb4edc5b851"
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-mi"]
---

# Michigan HB 5166 (2021-2022) — Controlled substances: opioids; distribution of opioid antagonists by community based-organizations under a standing order; allow and limit certain liability. Amends sec. 17744e of 1978 PA 368 (MCL 333.17744e).

## Version chain

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

1. **As Passed by the House** (committee substitute) — [source](http://legislature.mi.gov/documents/2021-2022/billengrossed/House/htm/2021-HEBH-5166.htm)
2. **As Passed by the Senate** (committee substitute) — [source](http://legislature.mi.gov/documents/2021-2022/billengrossed/House/htm/2021-HEBS-5166.htm)
3. **House Concurred Bill** (committee substitute) — [source](http://legislature.mi.gov/documents/2021-2022/billconcurred/House/htm/2021-HCB-5166.htm)
4. **House Introduced Bill** (committee substitute) — [source](http://legislature.mi.gov/documents/2021-2022/billintroduced/House/htm/2021-HIB-5166.htm)
5. **Public Act** (committee substitute) — [source](http://legislature.mi.gov/documents/2021-2022/publicact/htm/2022-PA-0176.htm)

## Votes

- PASSED; GIVEN IMMEDIATE EFFECT ROLL CALL # 370 YEAS 38 NAYS 0 EXCUSED 0 NOT VOTING 0 — **38–0** (pass) · upper
- passed; given immediate effect Roll Call # 491 Yeas 100 Nays 4 Excused 0 Not Voting 5 — **100–4** (pass) · lower

## Sponsors

- Mary Whiteford — primary (person)

## Timeline

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

- **2021-06-29T04:00:00+00:00** introduced by Representative Mary Whiteford `introduction`
- **2021-06-29T04:00:00+00:00** read a first time `reading-1`
- **2021-06-29T04:00:00+00:00** referred to Committee on Health Policy `referral-committee`
- **2021-06-30T04:00:00+00:00** bill electronically reproduced 06/29/2021
- **2021-10-07T04:00:00+00:00** reported with recommendation without amendment `committee-passage`
- **2021-10-07T04:00:00+00:00** referred to second reading
- **2021-10-19T04:00:00+00:00** read a second time `reading-2`
- **2021-10-19T04:00:00+00:00** placed on third reading
- **2021-10-20T04:00:00+00:00** read a third time `reading-3`
- **2021-10-20T04:00:00+00:00** passed; given immediate effect Roll Call # 491 Yeas 100 Nays 4 Excused 0 Not Voting 5 `passage`
- **2021-10-20T04:00:00+00:00** transmitted
- **2021-10-21T04:00:00+00:00** REFERRED TO COMMITTEE ON HEALTH POLICY AND HUMAN SERVICES `referral-committee`
- **2022-06-23T04:00:00+00:00** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage`
- **2022-06-23T04:00:00+00:00** COMMITTEE RECOMMENDED IMMEDIATE EFFECT
- **2022-06-23T04:00:00+00:00** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
- **2022-06-23T04:00:00+00:00** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITHOUT AMENDMENT(S) `committee-passage`
- **2022-06-23T04:00:00+00:00** PLACED ON ORDER OF THIRD READING
- **2022-06-30T04:00:00+00:00** PASSED; GIVEN IMMEDIATE EFFECT ROLL CALL # 370 YEAS 38 NAYS 0 EXCUSED 0 NOT VOTING 0 `passage`
- **2022-06-30T04:00:00+00:00** INSERTED FULL TITLE
- **2022-06-30T04:00:00+00:00** returned from Senate without amendment with immediate effect and full title
- **2022-06-30T04:00:00+00:00** full title agreed to
- **2022-06-30T04:00:00+00:00** bill ordered enrolled
- **2022-07-20T04:00:00+00:00** presented to the Governor 07/11/2022 12:52 PM `executive-receipt`
- **2022-08-17T04:00:00+00:00** approved by the Governor 07/21/2022 10:04 AM `executive-signature`
- **2022-08-17T04:00:00+00:00** filed with Secretary of State 07/21/2022 11:28 AM
- **2022-08-17T04:00:00+00:00** assigned PA 176'22 with immediate effect

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/93f37490-1a1e-4d23-91b1-439cb0e9a7fd`. Confidence: reported (aggregated from official Michigan legislature records).