---
type: "Bill"
title: "Newborn screening program."
description: "Existing law requires the State Department of Public Health to establish a program for the development, provision, and evaluation of genetic disease testing."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20132014"
identifier: "AB 1559"
citation: "California AB 1559 (20132014)"
classification: ["bill", "appropriation"]
subjects: ["Newborn screening program."]
status: "enacted"
primary_sponsors: ["Pan"]
version_count: 8
action_count: 26
vote_count: 8
first_action: "2014-01-28"
last_action: "2014-09-25"
source: "openstates"
source_identifier: "ocd-bill/99ab3d74-8d4c-4a19-a14b-e93c50870522"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201320140AB1559"
source_hash: "3c0d085294d67d8c5ea6b8b7e5c441c06d928d419b551909d2db2a2fa80f0008"
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-ca"]
---

# California AB 1559 (20132014) — Newborn screening program.

Existing law requires the State Department of Public Health to establish a program for the development, provision, and evaluation of genetic disease testing.

## Version chain

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

1. **01/28/14 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201320140AB1559&version=20130AB155999INT)
2. **03/19/14 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201320140AB1559&version=20130AB155998AMD)
3. **05/23/14 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201320140AB1559&version=20130AB155997AMD)
4. **08/19/14 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201320140AB1559&version=20130AB155996AMD)
5. **08/21/14 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201320140AB1559&version=20130AB155995AMD)
6. **09/25/14 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201320140AB1559&version=20130AB155993CHP)
7. **AB1559** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201320140AB1559)
8. **08/29/14 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201320140AB1559&version=20130AB155994ENR)

## Votes

- Placed on Appropriations Suspense file. — **6–0** (pass) · upper
- 3rd Reading AB1559 Pan By Nielsen — **34–0** (pass) · upper
- AB 1559 PAN Concurrence in Senate Amendments — **79–0** (pass) · lower
- AB 1559 PAN Assembly Third Reading — **79–0** (pass) · lower
- Do pass as amended. — **17–0** (pass) · lower
- Do pass, but re-refer to the Committee on Appropriations. — **8–0** (pass) · upper
- Do pass as amended. — **5–0** (pass) · upper
- Do pass and be re-referred to the Committee on Appropriations. — **19–0** (pass) · lower

## Sponsors

- Pan — primary (person)
- Bloom — coauthor (person)
- Brown — coauthor (person)
- Chesbro — coauthor (person)
- Fox — principal coauthor (person)
- Fuller — coauthor (person)
- Gatto — principal coauthor (person)
- Hill — coauthor (person)
- Maienschein — coauthor (person)
- Nazarian — coauthor (person)
- Nielsen — coauthor (person)
- Vidak — coauthor (person)
- Wieckowski — coauthor (person)
- Wyland — coauthor (person)

## Timeline

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

- **2014-01-28** Read first time. To print. `reading-1`
- **2014-01-29** From printer. May be heard in committee February 28.
- **2014-02-06** Referred to Com. on HEALTH. `referral-committee`
- **2014-03-19** From committee chair, with author's amendments: Amend, and re-refer to Com. on HEALTH. Read second time and amended. `amendment-introduction, amendment-passage, reading-2, reading-1`
- **2014-03-20** Re-referred to Com. on HEALTH. `referral-committee`
- **2014-04-02** From committee: Do pass and re-refer to Com. on APPR. (Ayes 19. Noes 0.) (April 1). Re-referred to Com. on APPR. `committee-passage-favorable, referral-committee, committee-passage`
- **2014-04-09** In committee: Set, first hearing. Referred to APPR. suspense file. `referral-committee`
- **2014-05-23** From committee: Do pass as amended. (Ayes 17. Noes 0.) . `committee-passage-favorable, committee-passage, amendment-passage`
- **2014-05-23** Read second time and amended. Ordered to second reading. `reading-2, reading-1, amendment-passage`
- **2014-05-27** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2014-05-28** Read third time. Passed. Ordered to the Senate. (Ayes 79. Noes 0. Page 5238.) `reading-3, reading-1, passage`
- **2014-05-28** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2014-06-05** Referred to Com. on HEALTH. `referral-committee`
- **2014-06-19** From committee: Do pass and re-refer to Com. on APPR. (Ayes 8. Noes 0.) (June 18). Re-referred to Com. on APPR. `committee-passage-favorable, referral-committee, committee-passage`
- **2014-06-30** In committee: Placed on APPR. suspense file.
- **2014-08-18** From committee: Do pass as amended. (Ayes 5. Noes 0.) (August 14). `committee-passage-favorable, committee-passage, amendment-passage`
- **2014-08-19** Read second time and amended. Ordered to third reading. `reading-2, reading-1, amendment-passage`
- **2014-08-21** Read third time and amended. Ordered to second reading. `reading-3, reading-1, amendment-passage`
- **2014-08-22** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2014-08-25** Read third time. Passed. Ordered to the Assembly. (Ayes 34. Noes 0. Page 4837.). `reading-3, reading-1, passage`
- **2014-08-25** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 27 pursuant to Assembly Rule 77.
- **2014-08-26** Assembly Rule 77 suspended. (Page 6444.)
- **2014-08-26** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 79. Noes 0. Page 6467.). `committee-passage-favorable, amendment-passage`
- **2014-09-08** Enrolled and presented to the Governor at 3:30 p.m.
- **2014-09-25** Approved by the Governor. `executive-signature`
- **2014-09-25** Chaptered by Secretary of State - Chapter 565, Statutes of 2014.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/99ab3d74-8d4c-4a19-a14b-e93c50870522`. Confidence: reported (aggregated from official California legislature records).