Washington Request to Change Sex Designation on a Birth Certificate for an Adult (DOH 422-143)
Official state formSex designation changeForm DOH 422-143Free downloadLast verified November 10, 2026
An adult born in Washington State uses this form to ask for a change of the sex designation (Male, Female or X) on their birth certificate. It must be signed in front of a notary public and mailed to the Center for Health Statistics at the Department of Health.
Who can use this form
- An adult (over 18) who was born in Washington State
- An emancipated minor, with proof of legal emancipation such as a certified court order
- A guardian acting on behalf of an adult, with proof of guardianship
What to send with it
- The request form, signed in the presence of a notary public
- A certified legal name change court order, if your full current legal name is different from the name on the birth certificate
- Optional: a completed certificate order form, the documents it requires, and a $25 check or money order
- Optional: a certified copy issued less than one year ago, to exchange it at no charge
Where to send it
- Mail to
- Center for Health Statistics Department of Health PO Box 47814 Olympia WA 98504
- State fee
- There is no fee to amend the record. $25 per certificate ordered with the request.
- Typical processing
- Three business days to process; allow up to two weeks for delivery, per the office's sex designation change page
- Form revision
- July 2022
- Source
- Official government page