---
type: "Bill"
title: "Venous thromboembolism; creating the Blake Burgess Act; requiring certain hospital policies and training; establishing certain registry and reporting requirements; imposing certain requirements on assisted living centers; effective date; emergency."
description: "Venous thromboembolism; creating the Blake Burgess Act; requiring certain hospital policies and training; establishing certain registry and reporting requirements; imposing certain requirements on assisted living centers; effective date; emergency."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2026"
identifier: "HB 3644"
citation: "Oklahoma HB 3644 (2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Hines", "Stinson"]
version_count: 13
action_count: 35
vote_count: 6
first_action: "2026-02-02"
last_action: "2026-05-12"
source: "openstates"
source_identifier: "ocd-bill/1ba74a32-bc52-4632-8258-422464ee4cac"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=HB3644&session=2600"
source_hash: "63a6c9218d24ea2f54a6aa557c8a958d508e0bd34c697483df0fb8f18e976e4c"
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-ok"]
---

# Oklahoma HB 3644 (2026) — Venous thromboembolism; creating the Blake Burgess Act; requiring certain hospital policies and training; establishing certain registry and reporting requirements; imposing certain requirements on assisted living centers; effective date; emergency.

## Version chain

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

1. **Introduced** (filed) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 INT/hB/HB3644 INT.PDF)
2. **1 Floor Amendment by STINSON (UNTIMELY FILED)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLOOR AMENDMENTS/House/HB3644 FA1 STINSONPR-TJ(UNTIMELY FILED).PDF)
3. **Amended And Engrossed** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 AMENDMENTS/Amendment and Engr/HB3644 SAHB AND ENGR.PDF)
4. **Engrossed** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 ENGR/hB/HB3644 ENGR.PDF)
5. **Enrolled (final version)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 ENR/hB/HB3644 ENR.PDF)
6. **Floor (House)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLR/HFLR/HB3644 HFLR.PDF)
7. **Floor (Senate)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLR/SFLR/HB3644 SFLR.PDF)
8. **HB3644 (4-27-26) (HINES) FS FA1.PDF** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLOOR AMENDMENTS/Senate/HB3644 (4-27-26) (HINES) FS FA1.PDF)
9. **HB3644 (4-27-26) (HINES) RT FA2.PDF** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLOOR AMENDMENTS/Senate/HB3644 (4-27-26) (HINES) RT FA2.PDF)
10. **House Committee Substitute** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE SUBS/HCS/HB3644 CS.PDF)
11. **Proposed Committee Substitute (full committee) 1** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE AMENDMENTS/House/HB3644 FULLPCS1 PRESTON STINSON-TJ.PDF)
12. **Proposed Committee Substitute (sub committee) 1** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE AMENDMENTS/House/HB3644 SUBPCS1 PRESTON STINSON-TJ.PDF)
13. **Sub Committee Recommendation** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE SUBS/HCS/HB3644 SUBREC.PDF)

## Votes

- Third Reading — **71–24** (pass) · lower
- Health & Human Services — **9–0** (pass) · upper
- Third Reading — **36–11** (pass) · upper
- Appropriations And Budget Committee: Do Pass As Amended By Cs — **26–1** (pass) · lower
- Fourth Reading — **68–21** (pass) · lower
- Appropriations And Budget Health Subcommittee: Do Pass As Amended By Cs — **6–0** (pass) · lower

## Sponsors

- Hines — primary (person)
- Stinson — primary (person)

## Timeline

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

- **2026-02-02** First Reading `introduction, reading-1`
- **2026-02-02** Authored by Representative Stinson
- **2026-02-03** Second Reading referred to Appropriations and Budget `reading-2, referral-committee`
- **2026-02-03** Referred to Appropriations and Budget Health Subcommittee `referral-committee`
- **2026-02-17** Recommendation to the full committee; Do Pass, amended by committee substitute Appropriations and Budget Health Subcommittee `committee-passage`
- **2026-02-25** CR; Do Pass, amended by committee substitute Appropriations and Budget Committee `committee-passage`
- **2026-02-25** Coauthored by Representative(s) Archer
- **2026-02-25** Authored by Senator Hines (principal Senate author)
- **2026-02-25** Title stricken
- **2026-03-04** General Order
- **2026-03-04** Third Reading, Measure and Emergency passed: Ayes: 71 Nays: 24 `passage, reading-3`
- **2026-03-04** Referred for engrossment
- **2026-03-05** Engrossed, signed, to Senate `passage`
- **2026-03-05** First Reading `introduction, reading-1`
- **2026-03-17** Coauthored by Senator Mann
- **2026-04-01** Second Reading referred to Health and Human Services Committee then to Appropriations Committee `reading-2, referral-committee`
- **2026-04-08** Reported Do Pass as amended Health and Human Services committee; CR filed `committee-passage`
- **2026-04-08** Enacting clause stricken
- **2026-04-08** Referred to Appropriations `referral-committee`
- **2026-04-13** Withdrawn from Appropriations committee
- **2026-04-13** Placed on General Order
- **2026-04-28** General Order, Amended by Floor Substitute
- **2026-04-28** Title restored
- **2026-04-28** Enacting clause restored
- **2026-04-28** Measure and Emergency passed: Ayes: 36 Nays: 11 `passage`
- **2026-04-28** Referred for engrossment
- **2026-04-28** Engrossed to House `passage`
- **2026-04-28** SA's received
- **2026-05-05** SA's read, adopted
- **2026-05-05** Fourth Reading, Measure and Emergency Passed: Ayes: 68 Nays: 21 `passage`
- **2026-05-05** Referred for enrollment
- **2026-05-06** Enrolled, signed, to Senate
- **2026-05-06** Enrolled measure signed, returned to House
- **2026-05-06** Sent to Governor `executive-receipt`
- **2026-05-12** Approved by Governor 05/12/2026 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/1ba74a32-bc52-4632-8258-422464ee4cac`. Confidence: reported (aggregated from official Oklahoma legislature records).