---
type: "Bill"
title: "Concerning licensure of anesthesiologist assistants."
description: "Concerning licensure of anesthesiologist assistants."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2023-2024"
identifier: "SB 5184"
citation: "Washington SB 5184 (2023-2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Rivers"]
version_count: 2
action_count: 31
vote_count: 3
first_action: "2023-01-06"
last_action: "2024-03-29"
source: "openstates"
source_identifier: "ocd-bill/120d5318-2ff9-45fa-94dc-7950edc7095f"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=5184&year=2023"
source_hash: "9f9b96c5fa96753f079bbd6e80609fd6a6910d7262ac56ad265ab58c5b11995a"
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-wa"]
---

# Washington SB 5184 (2023-2024) — Concerning licensure of anesthesiologist assistants.

## Version chain

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

1. **Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/Senate%20Bills/5184.htm)
2. **Passed Legislature** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/Senate%20Passed%20Legislature/5184.PL.htm)

## Votes

- Final Passage as Amended by the House (#12) — **40–9** (pass) · upper
- Final Passage as Amended by the House (#19) — **82–14** (pass) · lower
- 3rd Reading & Final Passage (#7) — **37–12** (pass) · upper

## Sponsors

- Rivers — primary (person)
- Braun — cosponsor (person)
- Cleveland — cosponsor (person)
- Dhingra — cosponsor (person)
- Mullet — cosponsor (person)
- Muzzall — cosponsor (person)
- Rolfes — cosponsor (person)

## Timeline

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

- **2023-01-06** Prefiled for introduction. `filing`
- **2023-01-09** First reading, referred to Health & Long Term Care. `reading-1`
- **2023-01-31** Public hearing in the Senate Committee on Health & Long Term Care at 8:00 AM.
- **2024-01-08** By resolution, reintroduced and retained in present status.
- **2024-01-12** Public hearing in the Senate Committee on Health & Long Term Care at 8:00 AM.
- **2024-01-18** Executive action taken in the Senate Committee on Health & Long Term Care at 10:30 AM.
- **2024-01-18** HLTC - Majority; do pass. `committee-passage-favorable`
- **2024-01-18** Minority; without recommendation. `committee-passage-unfavorable`
- **2024-01-22** Passed to Rules Committee for second reading.
- **2024-01-24** Placed on second reading by Rules Committee. `reading-2`
- **2024-02-07** Rules suspended. Placed on Third Reading. `reading-3`
- **2024-02-07** Third reading, passed; yeas, 37; nays, 12; absent, 0; excused, 0. `reading-3`
- **2024-02-09** First reading, referred to Health Care & Wellness. `reading-1`
- **2024-02-14** Public hearing in the House Committee on Health Care & Wellness at 1:30 PM.
- **2024-02-20** Executive session scheduled, but no action was taken in the House Committee on Health Care & Wellness at 1:30 PM.
- **2024-02-21** Executive action taken in the House Committee on Health Care & Wellness at 1:30 PM.
- **2024-02-21** HCW - Majority; do pass with amendment(s). `committee-passage-favorable`
- **2024-02-21** Minority; without recommendation. `committee-passage-unfavorable`
- **2024-02-21** Referred to Rules 2 Review. `referral-committee`
- **2024-02-24** Rules Committee relieved of further consideration. Placed on second reading. `reading-2`
- **2024-02-29** Committee amendment(s) adopted as amended.
- **2024-02-29** Rules suspended. Placed on Third Reading. `reading-3`
- **2024-02-29** Third reading, passed; yeas, 82; nays, 14; absent, 0; excused, 2. `reading-3`
- **2024-03-04** Senate concurred in House amendments.
- **2024-03-04** Passed final passage; yeas, 40; nays, 9; absent, 0; excused, 0. `passage`
- **2024-03-06** President signed. `passage`
- **2024-03-07** Speaker signed. `passage`
- **2024-03-08** Delivered to Governor. `executive-receipt`
- **2024-03-29** Governor signed. `executive-signature`
- **2024-03-29** Chapter 362, 2024 Laws. `became-law`
- **2024-03-29** Effective date 6/6/2024. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/120d5318-2ff9-45fa-94dc-7950edc7095f`. Confidence: reported (aggregated from official Washington legislature records).