---
type: "Bill"
title: "Hyperbaric oxygen treatment pilot program."
description: "Extends the expiration date of the hyperbaric oxygen treatment pilot program for veterans from June 30, 2021, to June 30, 2025. Provides that certain: (1) billing documentation; or (2) attendance documentation; may be used to authenticate the receipt of hyperbaric oxygen treatments for the purpose of payment approval by the department of veterans' affairs. Removes a provision that requires the state department of health to request proposals concerning hyperbaric oxygen treatment from certain geographic areas of Indiana. Specifies that a certain appropriation does not revert to the state general fund until July 1, 2025."
jurisdiction: "us/states/in"
legislature: "Indiana General Assembly"
session: "2021"
identifier: "SB 91"
citation: "Indiana SB 91 (2021)"
classification: ["bill"]
subjects: ["HEALTH generally", "HEALTH", "State Department and Agencies", "VETERANS"]
status: "enacted"
primary_sponsors: ["Chris Garten", "James Tomes", "Philip Boots", "Randall Frye"]
version_count: 5
action_count: 25
vote_count: 0
first_action: "2021-01-05"
last_action: "2021-04-08"
source: "openstates"
source_identifier: "ocd-bill/b1a70da0-2def-4828-aaa7-2ec5bf9cb46f"
source_url: "http://iga.in.gov/legislative/2021/bills/senate/91"
source_hash: "5db99d4dabad0cb0d6ef7fcfdb2a1ca0f82b0915000b0b626ba91c73159b437b"
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-in"]
---

# Indiana SB 91 (2021) — Hyperbaric oxygen treatment pilot program.

Extends the expiration date of the hyperbaric oxygen treatment pilot program for veterans from June 30, 2021, to June 30, 2025. Provides that certain: (1) billing documentation; or (2) attendance documentation; may be used to authenticate the receipt of hyperbaric oxygen treatments for the purpose of payment approval by the department of veterans' affairs. Removes a provision that requires the state department of health to request proposals concerning hyperbaric oxygen treatment from certain geographic areas of Indiana. Specifies that a certain appropriation does not revert to the state general fund until July 1, 2025.

## Version chain

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

1. **Enrolled Senate Bill (S)** (committee substitute) — [source](http://in-proxy.openstates.org/2021/bills/SB0091/versions/SB0091.05.ENRH)
2. **Introduced Senate Bill (S)** (committee substitute) — [source](http://in-proxy.openstates.org/2021/bills/SB0091/versions/SB0091.01.INTR)
3. **Senate Bill (H)** (committee substitute) — [source](http://in-proxy.openstates.org/2021/bills/SB0091/versions/SB0091.04.COMH)
4. **Senate Bill (S)** (committee substitute) — [source](http://in-proxy.openstates.org/2021/bills/SB0091/versions/SB0091.02.COMS)
5. **Senate Bill (S)** (committee substitute) — [source](http://in-proxy.openstates.org/2021/bills/SB0091/versions/SB0091.03.COMS)

## Sponsors

- Chris Garten — primary (person)
- James Tomes — primary (person)
- Philip Boots — primary (person)
- Randall Frye — primary (person)
- Blake Doriot — coauthor (person)
- Carolyn Jackson — cosponsor (person)
- Dennis Zent — cosponsor (person)
- Erin Houchin — coauthor (person)
- Fady Qaddoura — coauthor (person)
- J.D. Ford — coauthor (person)
- John Crane — coauthor (person)
- Peggy Mayfield — cosponsor (person)

## Timeline

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

- **2021-01-05** Authored by Senators Tomes, Boots and Garten
- **2021-01-05** First reading: referred to Committee on Veterans Affairs and The Military `reading-1, referral-committee`
- **2021-01-25** Senator Doriot added as coauthor
- **2021-02-02** Committee report: do pass adopted; reassigned to Committee on Appropriations `committee-passage, referral-committee`
- **2021-02-04** Senators Houchin and Crane added as coauthors
- **2021-02-08** Senator Ford J.D. added as coauthor
- **2021-02-18** Committee report: do pass, adopted `committee-passage`
- **2021-02-22** Senator Qaddoura added as coauthor
- **2021-02-22** Second reading: ordered engrossed `reading-2`
- **2021-02-23** Third reading: passed; Roll Call 171: yeas 49, nays 0 `passage, reading-3`
- **2021-02-23** House sponsor: Representative Frye R
- **2021-02-23** Cosponsor: Representative Zent
- **2021-02-24** Referred to the House
- **2021-03-04** First reading: referred to Committee on Ways and Means `reading-1, referral-committee`
- **2021-03-15** Representative Mayfield added as cosponsor
- **2021-03-16** Committee report: do pass, adopted `committee-passage`
- **2021-03-18** Second reading: ordered engrossed `reading-2`
- **2021-03-22** Representative Jackson added as cosponsor
- **2021-03-22** Third reading: passed; Roll Call 280: yeas 90, nays 0 `passage, reading-3`
- **2021-03-23** Signed by the President Pro Tempore
- **2021-03-23** Returned to the Senate without amendments
- **2021-03-29** Signed by the Speaker
- **2021-04-07** Signed by the President of the Senate
- **2021-04-08** Signed by the Governor `executive-signature`
- **2021-04-08** Public Law 23

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/b1a70da0-2def-4828-aaa7-2ec5bf9cb46f`. Confidence: reported (aggregated from official Indiana legislature records).