---
type: "Bill"
title: "Insurance: health insurers; coverage and benefits prescription eye drops; provide for. Amends 1956 PA 218 (MCL 500.100 - 500.8302) by adding sec. 3406u."
description: "Insurance: health insurers; coverage and benefits prescription eye drops; provide for. Amends 1956 PA 218 (MCL 500.100 - 500.8302) by adding sec. 3406u."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2019-2020"
identifier: "HB 4451"
citation: "Michigan HB 4451 (2019-2020)"
classification: ["bill"]
subjects: ["Insurance: health insurers", "Insurance: health benefits", "Health: pharmaceuticals"]
status: "enacted"
primary_sponsors: []
version_count: 5
action_count: 28
vote_count: 2
first_action: "2019-04-16T04:00:00+00:00"
last_action: "2019-12-05T05:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/df59d372-28ea-48a4-9eb4-32c36f14bddd"
source_url: "http://legislature.mi.gov/doc.aspx?2019-HB-4451"
source_hash: "2608148049fffbff7dee1ca2806dfc73dd7a874d7e5de87057a969f12505c62f"
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 4451 (2019-2020) — Insurance: health insurers; coverage and benefits prescription eye drops; provide for. Amends 1956 PA 218 (MCL 500.100 - 500.8302) by adding sec. 3406u.

## 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/2019-2020/billengrossed/House/htm/2019-HEBH-4451.htm)
2. **As Passed by the Senate** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/billengrossed/House/htm/2019-HEBS-4451.htm)
3. **House Concurred Bill** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/billconcurred/House/htm/2019-HCB-4451.htm)
4. **House Introduced Bill** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/billintroduced/House/htm/2019-HIB-4451.htm)
5. **Public Act** (committee substitute) — [source](http://legislature.mi.gov/documents/2019-2020/publicact/htm/2019-PA-0139.htm)

## Votes

- PASSED; GIVEN IMMEDIATE EFFECT ROLL CALL # 305 YEAS 36 NAYS 0 EXCUSED 2 NOT VOTING 0 — **36–0** (pass) · upper
- passed; given immediate effect Roll Call # 150 Yeas 105 Nays 4 Excused 0 Not Voting 1 — **105–4** (pass) · lower

## Sponsors

- Gregory Markkanen — cosponsor (person)
- Julie Brixie — cosponsor (person)
- Julie Calley — cosponsor (person)
- Padma Kuppa — cosponsor (person)
- Tenisha Yancey — cosponsor (person)
- Terry Sabo — cosponsor (person)

## Timeline

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

- **2019-04-16T04:00:00+00:00** introduced by Representative Julie Calley `introduction`
- **2019-04-16T04:00:00+00:00** read a first time `reading-1`
- **2019-04-16T04:00:00+00:00** referred to Committee on Health Policy `referral-committee`
- **2019-04-17T04:00:00+00:00** bill electronically reproduced 04/17/2019
- **2019-05-16T04:00:00+00:00** referred to Committee on Ways and Means, with substitute (H-1) `referral-committee`
- **2019-06-04T04:00:00+00:00** reported with recommendation with substitute (H-1) `committee-passage`
- **2019-06-04T04:00:00+00:00** referred to second reading
- **2019-06-18T04:00:00+00:00** read a second time `reading-2`
- **2019-06-18T04:00:00+00:00** substitute (H-1) adopted
- **2019-06-18T04:00:00+00:00** placed on third reading
- **2019-06-19T04:00:00+00:00** read a third time `reading-3`
- **2019-06-19T04:00:00+00:00** passed; given immediate effect Roll Call # 150 Yeas 105 Nays 4 Excused 0 Not Voting 1 `passage`
- **2019-06-19T04:00:00+00:00** transmitted
- **2019-06-20T04:00:00+00:00** REFERRED TO COMMITTEE ON HEALTH POLICY AND HUMAN SERVICES `referral-committee`
- **2019-10-29T04:00:00+00:00** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage`
- **2019-10-29T04:00:00+00:00** COMMITTEE RECOMMENDED IMMEDIATE EFFECT
- **2019-10-29T04:00:00+00:00** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
- **2019-11-07T05:00:00+00:00** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITHOUT AMENDMENT(S) `committee-passage`
- **2019-11-07T05:00:00+00:00** PLACED ON ORDER OF THIRD READING
- **2019-11-13T05:00:00+00:00** PASSED; GIVEN IMMEDIATE EFFECT ROLL CALL # 305 YEAS 36 NAYS 0 EXCUSED 2 NOT VOTING 0 `passage`
- **2019-11-13T05:00:00+00:00** INSERTED FULL TITLE
- **2019-11-20T05:00:00+00:00** returned from Senate without amendment with immediate effect and full title
- **2019-11-20T05:00:00+00:00** full title agreed to
- **2019-11-20T05:00:00+00:00** bill ordered enrolled
- **2019-12-03T05:00:00+00:00** presented to the Governor 11/25/2019 03:01 PM `executive-receipt`
- **2019-12-05T05:00:00+00:00** approved by the Governor 12/04/2019 02:13 PM `executive-signature`
- **2019-12-05T05:00:00+00:00** filed with Secretary of State 12/05/2019 09:26 AM
- **2019-12-05T05:00:00+00:00** assigned PA 139'19 with immediate effect

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/df59d372-28ea-48a4-9eb4-32c36f14bddd`. Confidence: reported (aggregated from official Michigan legislature records).