---
type: "Bill"
title: "Concerning insurance coverage of tomosynthesis or three-dimensional mammography."
description: "Concerning insurance coverage of tomosynthesis or three-dimensional mammography."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2017-2018"
identifier: "SB 5912"
citation: "Washington SB 5912 (2017-2018)"
classification: ["bill"]
subjects: ["HEALTH CARE", "HEALTH AND SAFETY", "PUBLIC", "INSURANCE", "PUBLIC EMPLOYEES' BENEFITS BOARD", "WOMEN"]
status: "enacted"
primary_sponsors: ["Kuderer"]
version_count: 1
action_count: 28
vote_count: 2
first_action: "2017-03-29"
last_action: "2018-03-21"
source: "openstates"
source_identifier: "ocd-bill/33186e4d-f8c7-4037-a133-f5b9369b7721"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=5912&year=2017"
source_hash: "ce2d6bbd845ecc4795ac724a297b131a83dcf09e745061495aa636045ab1b6f8"
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 5912 (2017-2018) — Concerning insurance coverage of tomosynthesis or three-dimensional mammography.

## 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/2017-18/Htm/Bills/Senate%20Bills/5912.htm)

## Votes

- Final Passage (#1) — **95–2** (pass) · lower
- 3rd Reading & Final Passage (#5) — **44–4** (pass) · upper

## Sponsors

- Kuderer — primary (person)
- Cleveland — cosponsor (person)
- Conway — cosponsor (person)
- Hasegawa — cosponsor (person)
- Keiser — cosponsor (person)
- Mullet — cosponsor (person)
- Rivers — cosponsor (person)
- Walsh — cosponsor (person)

## Timeline

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

- **2017-03-29** First reading, referred to Health Care. `reading-1`
- **2017-04-24** By resolution, reintroduced and retained in present status.
- **2017-05-23** By resolution, reintroduced and retained in present status.
- **2017-06-21** By resolution, reintroduced and retained in present status.
- **2018-01-08** By resolution, reintroduced and retained in present status.
- **2018-01-08** Due to Senate committee reorganization, referred to Health & Long Term Care.
- **2018-01-25** HLTC - Majority; do pass.
- **2018-01-25** And refer to Ways & Means. `referral-committee`
- **2018-01-25** Minority; without recommendation.
- **2018-01-26** Referred to Ways & Means.
- **2018-01-29** WM - Majority; without recommendation.
- **2018-01-31** Passed to Rules Committee for second reading.
- **2018-01-31** Placed on second reading by Rules Committee.
- **2018-01-31** Rules suspended. Placed on Third Reading.
- **2018-01-31** Third reading, passed; yeas, 44; nays, 4; absent, 0; excused, 1. `reading-3`
- **2018-02-01** First reading, referred to Health Care & Wellness (Not Officially read and referred until adoption of Introduction report). `reading-1`
- **2018-02-16** HCW - Majority; do pass.
- **2018-02-16** Minority; do not pass.
- **2018-02-20** Referred to Rules 2 Review.
- **2018-02-21** Rules Committee relieved of further consideration. Placed on second reading.
- **2018-02-27** Rules suspended. Placed on Third Reading.
- **2018-02-27** Third reading, passed; yeas, 95; nays, 2; absent, 0; excused, 1. `reading-3`
- **2018-03-01** President signed. `passage`
- **2018-03-03** Speaker signed. `passage`
- **2018-03-05** Delivered to Governor.
- **2018-03-21** Governor signed. `executive-signature`
- **2018-03-21** Chapter 115, 2018 Laws. `became-law`
- **2018-03-21** Effective date 6/7/2018. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/33186e4d-f8c7-4037-a133-f5b9369b7721`. Confidence: reported (aggregated from official Washington legislature records).