# Michigan HB 4391: Crimes: intoxication or impairment; methods of testing intoxication or impairment in the Michigan vehicle code; expand to include other bodily fluid. Amends secs. 625a, 625c & 625g of 1949 PA 300 (MCL 257.625a et seq.). TIE BAR WITH: HB 4390'25Last Action: REFERRED TO COMMITTEE ON CIVIL RIGHTS, JUDICIARY, AND PUBLIC SAFETY

Michigan HB 4391, Crimes: intoxication or impairment; methods of testing intoxication or impairment in the Michigan vehicle code; expand to include other bodily fluid. Amends secs. 625a, 625c & 625g of 1949 PA 300 (MCL 257.625a et seq.). TIE BAR WITH: HB 4390'25Last Action: REFERRED TO COMMITTEE ON CIVIL RIGHTS, JUDICIARY, AND PUBLIC SAFETY, is a 2025-2026 Regular Session House bill sponsored by Julie Rogers (Democratic); status passed house, last action 2025-07-17 (REFERRED TO COMMITTEE ON CIVIL RIGHTS, JUDICIARY, AND PUBLIC SAFETY) (as of 2026-11-01).

- Canonical: https://policyrisk.com/state-bill/MI-HB4391-2025-2026
- As of: 2026-11-01
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Michigan HB 4391
- State: Michigan
- Session: 2025-2026 Regular Session
- Title: Crimes: intoxication or impairment; methods of testing intoxication or impairment in the Michigan vehicle code; expand to include other bodily fluid. Amends secs. 625a, 625c & 625g of 1949 PA 300 (MCL 257.625a et seq.). TIE BAR WITH: HB 4390'25Last Action: REFERRED TO COMMITTEE ON CIVIL RIGHTS, JUDICIARY, AND PUBLIC SAFETY
- Status: passed house
- Chamber: House
- Introduced: 2025-04-24
- Last action: 2025-07-17, REFERRED TO COMMITTEE ON CIVIL RIGHTS, JUDICIARY, AND PUBLIC SAFETY
- Sponsor: Julie Rogers (Democratic)
- Cosponsors: 29
- Subjects: Crimes: intoxication or impairment, Criminal procedure: evidence, Traffic control: traffic regulation
- Touches household money: no
- Roll calls: 1 (61 yes, 44 no in all)
- Economic provisions PRIA read: 0

## Summary

No summary available.

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Julie Rogers (Democratic), House
- Cosponsor: Alicia St. Germaine (Republican), House
- Cosponsor: Angela Rigas (Republican), House
- Cosponsor: Brian BeGole (Republican), House
- Cosponsor: Curtis VanderWall (Republican), House
- Cosponsor: David Prestin (Republican), House
- Cosponsor: Denise Mentzer (Democratic), House
- Cosponsor: Douglas Wozniak (Republican), House
- Cosponsor: Gregory Markkanen (Republican), House
- Cosponsor: Helena Scott (Democratic), House
- Cosponsor: Jaime Greene (Republican), House
- Cosponsor: Jason Woolford (Republican), House
- Cosponsor: Jay DeBoyer (Republican), House
- Cosponsor: Jennifer Wortz (Republican), House
- Cosponsor: Joseph Aragona (Republican), House
- Cosponsor: Kathy Schmaltz (Republican), House
- Cosponsor: Ken Borton (Republican), House
- Cosponsor: Luke Meerman (Republican), House
- Cosponsor: Matt Longjohn (Democratic), House
- Cosponsor: Mike Harris (Republican), House
- Cosponsor: Mike McFall (Democratic), House
- Cosponsor: Mike Mueller (Republican), House
- Cosponsor: Parker Fairbairn (Republican), House
- Cosponsor: Pat Outman (Republican), House
- Cosponsor: Reggie Miller (Democratic), House
- Cosponsor: Ron Robinson (Republican), House
- Cosponsor: Rylee Linting (Republican), House
- Cosponsor: Tom Kunse (Republican), House
- Cosponsor: Tyrone Carter (Democratic), House
- Cosponsor: William Bruck (Republican), House

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2025-07-01 | House | passed; given immediate effect | pass | 61 | 44 | 5 |

## Actions (17)

- 2025-07-17: REFERRED TO COMMITTEE ON CIVIL RIGHTS, JUDICIARY, AND PUBLIC SAFETY (Senate)
- 2025-07-17: PASSED BY HOUSE WITH IMMEDIATE EFFECT (House)
- 2025-07-01: transmitted (House)
- 2025-07-01: passed; given immediate effect Roll Call #168 Yeas 61 Nays 44 Excused 0 Not Voting 5 (House)
- 2025-07-01: amended (House)
- 2025-07-01: read a third time (House)
- 2025-06-26: placed on third reading (House)
- 2025-06-26: substitute (H-2) adopted (House)
- 2025-06-26: read a second time (House)
- 2025-06-26: referred to second reading (House)
- 2025-06-26: reported with recommendation with substitute (H-2) (House)
- 2025-05-22: recommendation concurred in (House)
- 2025-05-22: reported with recommendation for referral to Committee on Rules with substitute (H-2) (House)
- 2025-04-29: bill electronically reproduced 04/24/2025 (House)
- 2025-04-24: referred to Committee on Government Operations (House)
- 2025-04-24: read a first time (House)
- 2025-04-24: introduced by Representative Rep. Julie Rogers (House)

## Bill text

- As Passed by the House, 2025-07-01: [PDF](https://www.legislature.mi.gov/documents/2025-2026/billengrossed/House/pdf/2025-HEBH-4391.pdf)
- Introduced, 2025-04-24: [PDF](https://www.legislature.mi.gov/documents/2025-2026/billintroduced/House/pdf/2025-HIB-4391.pdf)

## Related bills

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## Sources
- [As Passed by the House (PDF)](https://www.legislature.mi.gov/documents/2025-2026/billengrossed/House/pdf/2025-HEBH-4391.pdf)
- [Introduced (PDF)](https://www.legislature.mi.gov/documents/2025-2026/billintroduced/House/pdf/2025-HIB-4391.pdf)

## Related
- [SB 0102: Counties: employees and officers; request for transcript and abstract of paper…](https://policyrisk.com/state-bill/MI-SB0102-2025-2026)
- [HB 6007: Food: service establishments; delegation of certain duties and exemption of cer…](https://policyrisk.com/state-bill/MI-HB6007-2025-2026)
- [HB 5485: Natural resources: inland lakes; dam safety regulations; provide for. Amends se…](https://policyrisk.com/state-bill/MI-HB5485-2025-2026)
- [HB 4599: Crimes: organized; certain definitions related to gift card fraud; provide for.…](https://policyrisk.com/state-bill/MI-HB4599-2025-2026)
- [HB 5120: Civil procedure: service of process; cost for service of process for personal p…](https://policyrisk.com/state-bill/MI-HB5120-2025-2026)
- [SB 0569: Health: funding; various fees under the public health code; transfer and deposi…](https://policyrisk.com/state-bill/MI-SB0569-2025-2026)
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Source: PRIA, https://policyrisk.com/state-bill/MI-HB4391-2025-2026 (as of 2026-11-01).