---
type: "Bill"
title: "A bill for an act relating to medical malpractice claims, including noneconomic damage awards and expert witnesses, and including applicability provisions. (Formerly SSB 1087.) Effective 7-1-17."
description: "A bill for an act relating to medical malpractice claims, including noneconomic damage awards and expert witnesses, and including applicability provisions. (Formerly SSB 1087.) Effective 7-1-17."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2017-2018"
identifier: "SF 465"
citation: "Iowa SF 465 (2017-2018)"
classification: ["bill"]
subjects: ["chiropractic", "dental care", "health", "medical care", "medical malpractice", "nursing", "optometry", "osteopathic medicine", "pharmacy", "physician assisting", "professions"]
status: "enacted"
primary_sponsors: []
version_count: 12
action_count: 29
vote_count: 10
first_action: "2017-03-06"
last_action: "2017-05-05"
source: "openstates"
source_identifier: "ocd-bill/bd885e7a-05cc-4f5f-aa49-31d1f0f4c205"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=SF 465&ga=87"
source_hash: "a048cea1cd3108f29cc981e99dff60e2fc87ce84bc46c8500446e301bd188160"
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-ia"]
---

# Iowa SF 465 (2017-2018) — A bill for an act relating to medical malpractice claims, including noneconomic damage awards and expert witnesses, and including applicability provisions. (Formerly SSB 1087.) Effective 7-1-17.

## Version chain

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

1. **Introduced** (filed) — [source](https://www.legis.iowa.gov/docs/publications/LGI/87/attachments/SF465.html)
2. **Amendment H-1329** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/H1329.pdf)
3. **Amendment H-1331** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/H1331.pdf)
4. **Amendment H-1332** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/H1332.pdf)
5. **Amendment S-3161** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/S3161.pdf)
6. **Amendment S-3166** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/S3166.pdf)
7. **Amendment S-3167** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/S3167.pdf)
8. **Amendment S-3168** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/S3168.pdf)
9. **Amendment S-3169** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/S3169.pdf)
10. **Amendment S-3316** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/S3316.pdf)
11. **Reprinted** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGR/87/attachments/SF465.html)
12. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/87/attachments/SF465.html)

## Votes

- Shall division S-3161A be adopted? — **49–0** (pass) · upper
- Shall the bill pass? — **65–32** (pass) · lower
- Shall amendment S-3166 to amendment S-3161 be adopted? — **21–28** (fail) · upper
- Shall amendment S-3169 to amendment S-3161 be adopted? — **21–28** (fail) · upper
- Shall amendment S-3168 to amendment S-3161 be adopted? — **21–28** (fail) · upper
- Shall amendment S-3167 to amendment S-3161 be adopted? — **21–28** (fail) · upper
- Shall the bill pass? — **28–21** (pass) · upper
- Shall division S-3161B be adopted? — **28–21** (pass) · upper
- Shall amendment H-1329 be adopted? — **97–0** (pass) · lower
- Shall the bill pass? — **37–12** (pass) · upper

## Timeline

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

- **2017-03-06** Introduced, placed on calendar. `introduction`
- **2017-03-06** Committee report, approving bill.
- **2017-03-16** Amendments S-3161, S-3166, S-3167, S-3168, and S-3169 filed.
- **2017-03-20** Amendment S-3166 lost. `amendment-failure`
- **2017-03-20** Amendment S-3169 lost. `amendment-failure`
- **2017-03-20** Amendment S-3168 lost. `amendment-failure`
- **2017-03-20** Amendment S-3167 lost. `amendment-failure`
- **2017-03-20** Amendment S-3161A adopted.
- **2017-03-20** Amendment S-3161B adopted.
- **2017-03-20** Passed Senate, ayes 28, nays 21. `passage`
- **2017-03-27** Explanation of vote.
- **2017-03-20** Immediate message.
- **2017-03-21** Message from Senate.
- **2017-03-21** Read first time, passed on file. `reading-1`
- **2017-04-06** Placed on calendar under unfinished business.
- **2017-04-12** Substituted for HF 487.
- **2017-04-12** Amendment H-1329 filed, adopted. `amendment-introduction, amendment-passage`
- **2017-04-12** Amendment H-1331 filed, withdrawn. `amendment-introduction`
- **2017-04-12** Amendment H-1332 filed, adopted. `amendment-introduction, amendment-passage`
- **2017-04-12** Passed House, ayes 65, nays 32. `passage`
- **2017-04-12** Immediate message.
- **2017-04-12** Message from House, with amendment S-3316.
- **2017-04-17** Senate concurred with S-3316.
- **2017-04-17** Passed Senate, ayes 37, nays 12. `passage`
- **2017-04-17** Immediate message.
- **2017-04-17** Message from Senate.
- **2017-04-25** Reported correctly enrolled, signed by President and Speaker.
- **2017-04-25** Sent to Governor. `executive-receipt`
- **2017-05-05** Signed by Governor. `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/bd885e7a-05cc-4f5f-aa49-31d1f0f4c205`. Confidence: reported (aggregated from official Iowa legislature records).