# Hawaii HB 2145: RELATING TO INSURANCE COVERAGE OF PROTON BEAM THERAPY.

Hawaii HB 2145, RELATING TO INSURANCE COVERAGE OF PROTON BEAM THERAPY., is a 2025–2026 Regular Session (Year 2) House bill sponsored by Gregg Takayama (Democratic); status failed, last action 2026-01-30 (Referred to HLT, CPC, referral sheet 5) (as of 2026-11-01).

- Canonical: https://policyrisk.com/state-bill/HI-HB2145-2026
- As of: 2026-11-01
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Hawaii HB 2145
- State: Hawaii
- Session: 2025–2026 Regular Session (Year 2)
- Title: RELATING TO INSURANCE COVERAGE OF PROTON BEAM THERAPY.
- Status: failed
- Chamber: House
- Introduced: 2026-01-26
- Last action: 2026-01-30, Referred to HLT, CPC, referral sheet 5
- Sponsor: Gregg Takayama (Democratic)
- Cosponsors: 0
- Subjects: Health Insurance, Cancer Treatment, Proton Beam Therapy, Mandatory Coverage, HLT, CPC
- Touches household money: no
- Economic provisions PRIA read: 0

## Summary

Beginning, 1/1/2027, requires health insurers, mutual benefit societies, and health maintenance organizations to provide coverage for medically necessary proton beam therapy for cancer treatment and prohibits imposing stricter clinical evidence standards on proton beam therapy than on other radiation treatments.

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Gregg Takayama (Democratic), House

## Actions (3)

- 2026-01-30: Referred to HLT, CPC, referral sheet 5 (House)
- 2026-01-28: Introduced and Pass First Reading. (House)
- 2026-01-26: Pending introduction. (House)

## Bill text

- Original: [HTML](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB2145_.HTM), [PDF](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB2145_.pdf)

## Related bills

- SB 847: RELATING TO PSYCHOLOGISTS. (became law)
- HB 2023: RELATING TO TRANSPORTATION. (signed)
- HB 2021: RELATING TO TRANSPORTATION. (signed)
- SB 2338: RELATING TO HOUSING. (signed)
- HB 2344: RELATING TO SCHOOL FACILITIES. (signed)
- HB 1973: RELATING TO HEALTH. (signed)

## Sources
- [Original (HTML)](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB2145_.HTM)
- [Original (PDF)](https://data.capitol.hawaii.gov/sessions/session2026/bills/HB2145_.pdf)

## Related
- [SB 847: RELATING TO PSYCHOLOGISTS.](https://policyrisk.com/state-bill/HI-SB847-2026)
- [HB 2023: RELATING TO TRANSPORTATION.](https://policyrisk.com/state-bill/HI-HB2023-2026)
- [HB 2021: RELATING TO TRANSPORTATION.](https://policyrisk.com/state-bill/HI-HB2021-2026)
- [SB 2338: RELATING TO HOUSING.](https://policyrisk.com/state-bill/HI-SB2338-2026)
- [HB 2344: RELATING TO SCHOOL FACILITIES.](https://policyrisk.com/state-bill/HI-HB2344-2026)
- [HB 1973: RELATING TO HEALTH.](https://policyrisk.com/state-bill/HI-HB1973-2026)
- [Hawaii bills](https://policyrisk.com/states/hawaii/bills)
- [Hawaii state hub](https://policyrisk.com/states/hawaii)
- [All state legislation](https://policyrisk.com/state-bills)

Source: PRIA, https://policyrisk.com/state-bill/HI-HB2145-2026 (as of 2026-11-01).