Washington HB2548: Health care market standards

What the bill says

An act Relating to strengthening health care market standards; amending RCW 19.390.020, 19.390.030, 19.390.040, 19.390.050, and 19.390.070; and adding new sections to chapter 19.390 RCW.

From the enrolled text:

AN ACT Relating to strengthening health care market standards; amending RCW 19.390.020, 19.390.030, 19.390.040, 19.390.050, and 19.390.070; and adding new sections to chapter 19.390 RCW. Sec. 1. RCW 19.390.020 and 2019 c 267 s 2 are each amended to read as follows: The definitions in this section apply throughout this chapter unless the context clearly requires otherwise. (1) "Acquisition" means an agreement, arrangement, or activity the consummation of which results in a person acquiring directly or indirectly the control of another person, and includes the acquisition of voting securities and noncorporate interests, such as assets, capital stock, membership interests, or equity interests. (2) "Affiliated with" means a person that directly, or indirectly through one or more intermediaries, controls or has ownership of, is controlled or owned by, or is under common control or ownership of a person. (3) "Carrier" means the same as in RCW 48.43.005. (((3)))(4) "Contracting affiliation" means the formation of a relationship between two or more entities that permits the entities to negotiate jointly with carriers or third-party administrators over rates for professional ((medical))health care services, or for one entity to negotiate on behalf of the other entity with carriers or third-party administrators over rates for professional ((medical))health care services. "Contracting affiliation" does not include arrangements among entities under common ownership. (((4)))(5) "Control" or "controlling interest" of …

Read the full official text

Sponsors

• Jamila Taylor (D) · primary sponsor
• Nicole Macri (D)
• Timm Ormsby (D)
• Gerry Pollet (D)
• Mary Fosse (D)
• Shaun Scott (D)

Latest actions

1. March 25, 2026: Effective date 6/11/2026.
2. March 25, 2026: Chapter 222, 2026 Laws.
3. March 25, 2026: Governor signed.
4. March 12, 2026: Delivered to Governor.
5. March 12, 2026: President signed.
6. March 11, 2026: Speaker signed.
7. March 11, 2026: Passed final passage; yeas, 55; nays, 41; absent, 0; excused, 2.
8. March 11, 2026: House concurred in Senate amendments.
9. March 5, 2026: Third reading, passed; yeas, 30; nays, 19; absent, 0; excused, 0.
10. March 5, 2026: Rules suspended. Placed on Third Reading.

Votes

• Final Passage as Amended by the Senate (March 11, 2026): 55 yea, 41 nay, passed
• 3rd Reading & Final Passage as Amended by the Senate (March 5, 2026): 30 yea, 19 nay, passed
• Senate Committee on Law & Justice: Do pass as amended (February 24, 2026): 5 yea, 1 nay, passed
• 3rd Reading & Final Passage (February 16, 2026): 53 yea, 38 nay, passed
• House Committee on Appropriations: The substitute bill by Committee on Civil Rights & Judiciary be substituted therefor and the substitute bill do pass (February 9, 2026): 18 yea, 12 nay, passed
• House Committee on Civil Rights & Judiciary: The substitute bill be substituted therefor and the substitute bill do pass (February 3, 2026): 7 yea, 5 nay, passed

Common questions

What is HB2548?

HB2548 is a bill in the Washington Legislature (2025-26 Regular Session): Health care market standards.

What does HB2548 do?

In its own words: An act Relating to strengthening health care market standards; amending RCW 19.390.020, 19.390.030, 19.390.040, 19.390.050, and 19.390.070; and adding new sections to chapter 19.390 RCW.

What is the status of HB2548?

Signed into law as of March 25, 2026. Latest action: Effective date 6/11/2026. (March 25, 2026).

Who sponsored HB2548?

Jamila Taylor (D), with 5 co-sponsors.

Where is the official record for HB2548?

On the Washington Legislature website: https://app.leg.wa.gov/billsummary?BillNumber=2548&Year=2025