---
type: "Bill"
title: "Treatment for Substance Use Disorders"
description: "The act prohibits an insurance carrier that provides coverage for a drug used to treat a substance use disorder under a health benefit plan from requiring prior authorization for the drug based solely on the dosage amount."
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2024A"
identifier: "HB 24-1045"
citation: "Colorado HB 24-1045 (2024A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Chris deGruy Kennedy", "Kyle Mullica", "Perry Will", "Ryan Armagost"]
version_count: 11
action_count: 16
vote_count: 4
first_action: "2024-01-10T07:00:00+00:00"
last_action: "2024-06-06T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/44186b62-1e69-48d7-b111-7b57d6643769"
source_url: "https://leg.colorado.gov/bills/hb24-1045"
source_hash: "40700078af15eb2f56cadb073f73f818ff7fdba2212adfa9e32dda2486c71c12"
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-co"]
---

# Colorado HB 24-1045 (2024A) — Treatment for Substance Use Disorders

The act prohibits an insurance carrier that provides coverage for a drug used to treat a substance use disorder under a health benefit plan from requiring prior authorization for the drug based solely on the dosage amount.

## Version chain

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

1. **Committee Amendment** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2024a_hb1045_s_app_003.pdf)
2. **Engrossed (04/26/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1045_eng.pdf)
3. **Final Act (05/28/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1045_enr.pdf)
4. **Introduced (01/10/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1045_01.pdf)
5. **PA1 (02/23/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1045_h_hhs_01.pdf)
6. **PA2 (03/08/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1045_h_hhs_fin_01.pdf)
7. **PA3 (04/25/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1045_h_hhs_fin_app_01.pdf)
8. **Reengrossed (04/29/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1045_ren.pdf)
9. **Rerevised (05/06/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1045_rer.pdf)
10. **Revised (05/04/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1045_rev.pdf)
11. **Signed Act (06/06/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2024a_1045_signed.pdf)

## Votes

- BILL — **26–7** (pass) · upper
- AMD — **63–0** (pass) · lower
- PERM — **60–3** (pass) · lower
- BILL — **52–11** (pass) · lower

## Sponsors

- Chris deGruy Kennedy — primary (person)
- Kyle Mullica — primary (person)
- Perry Will — primary (person)
- Ryan Armagost — primary (person)

## Timeline

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

- **2024-06-06T06:00:00+00:00** Governor Signed `executive-signature`
- **2024-05-28T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2024-05-28T06:00:00+00:00** Signed by the President of the Senate
- **2024-05-28T06:00:00+00:00** Signed by the Speaker of the House
- **2024-05-06T06:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2024-05-04T06:00:00+00:00** Senate Second Reading Special Order - Passed - No Amendments
- **2024-05-04T06:00:00+00:00** Senate Committee on Appropriations Refer Unamended - Consent Calendar to Senate Committee of the Whole `committee-passage`
- **2024-05-02T06:00:00+00:00** Senate Committee on Health & Human Services Refer Unamended to Appropriations `referral-committee`
- **2024-04-29T06:00:00+00:00** Introduced In Senate - Assigned to Health & Human Services `introduction`
- **2024-04-29T06:00:00+00:00** House Third Reading Passed with Amendments - Floor `passage, reading-3`
- **2024-04-26T06:00:00+00:00** House Second Reading Special Order - Passed with Amendments - Committee, Floor
- **2024-04-26T06:00:00+00:00** House Committee on Legislative Council Refer Unamended to House Committee of the Whole `committee-passage, referral-committee`
- **2024-04-25T06:00:00+00:00** House Committee on Appropriations Refer Amended to Legislative Council `referral-committee`
- **2024-03-07T07:00:00+00:00** House Committee on Finance Refer Amended to Appropriations `referral-committee`
- **2024-02-20T07:00:00+00:00** House Committee on Health & Human Services Refer Amended to Finance `referral-committee`
- **2024-01-10T07:00:00+00:00** Introduced In House - Assigned to Health & Human Services `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/44186b62-1e69-48d7-b111-7b57d6643769`. Confidence: reported (aggregated from official Colorado legislature records).