---
type: "Bill"
title: "INSURANCE/HEALTH: Provides relative to reimbursement rates for certain ventilation treatments"
description: "INSURANCE/HEALTH: Provides relative to reimbursement rates for certain ventilation treatments"
jurisdiction: "us/states/la"
legislature: "Louisiana Legislature"
session: "2021"
identifier: "HB 594"
citation: "Louisiana HB 594 (2021)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Dustin Miller"]
version_count: 9
action_count: 19
vote_count: 3
first_action: "2021-04-02"
last_action: "2021-06-16"
source: "openstates"
source_identifier: "ocd-bill/3eaf2574-6131-4f09-a71f-f7853dce7d94"
source_url: "http://www.legis.la.gov/Legis/BillInfo.aspx?i=240568"
source_hash: "5ad0666b4fcad5d33fd3bd19b577926026dca6fe1ae0b23c26ca9963788dac4c"
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-la"]
---

# Louisiana HB 594 (2021) — INSURANCE/HEALTH: Provides relative to reimbursement rates for certain ventilation treatments

## Version chain

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

1. **HB594 Original** (filed) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1212131)
2. **HB594 Act** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1235712)
3. **HB594 Engrossed** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1224289)
4. **HB594 Reengrossed** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1226416)
5. **House Committee Amendment, #2611, INS, Draft** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1222812)
6. **House Committee Amendment, #2797, INS, Adopted** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1224245)
7. **House Floor Amendment, #3217, Coussan, Adopted** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1226098)
8. **House Floor Amendment, #3250, Miller, D., Adopted** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1226231)
9. **HB594 Enrolled** (enrolled) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1232902)

## Votes

- AMENDMENT # 3217 BY COUSSAN, MOTION TO ADOPT (#533) — **72–25** (pass) · lower
- FINAL PASSAGE (#534) — **84–14** (pass) · lower
- FINAL PASSAGE (#827) — **37–0** (pass) · upper

## Sponsors

- Dustin Miller — primary (person)

## Timeline

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

- **2021-06-16** Effective date: 08/01/2021.
- **2021-06-16** Signed by the Governor. Becomes Act No. 379. `executive-signature`
- **2021-06-10** Sent to the Governor for executive approval. `executive-receipt`
- **2021-06-09** Signed by the President of the Senate.
- **2021-06-08** Enrolled and signed by the Speaker of the House.
- **2021-06-07** Received from the Senate without amendments.
- **2021-06-06** Rules suspended. Read by title, passed by a vote of 37 yeas and 0 nays, and ordered returned to the House. Motion to reconsider tabled. `passage`
- **2021-06-03** Reported without Legislative Bureau amendments. Read by title and passed to third reading and final passage.
- **2021-06-02** Rules suspended. Reported favorably. Rules suspended. Read by title and referred to the Legislative Bureau.
- **2021-05-24** Read second time by title and referred to the Committee on Health and Welfare. `referral-committee`
- **2021-05-20** Received in the Senate. Read first time by title and placed on the Calendar for a second reading.
- **2021-05-19** Read third time by title, amended, roll called on final passage, yeas 84, nays 14. Finally passed, title adopted, ordered to the Senate. `passage`
- **2021-05-18** Scheduled for floor debate on 05/19/2021.
- **2021-05-13** Read by title, amended, ordered engrossed, passed to 3rd reading.
- **2021-05-12** Reported with amendments (10-0).
- **2021-04-12** Read by title, under the rules, referred to the Committee on Insurance. `referral-committee`
- **2021-04-02** First appeared in the Interim Calendar on 4/2/2021.
- **2021-04-02** Under the rules, provisionally referred to the Committee on Insurance. `referral-committee`
- **2021-04-02** Prefiled. `filing`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/3eaf2574-6131-4f09-a71f-f7853dce7d94`. Confidence: reported (aggregated from official Louisiana legislature records).