Appeal deadlines in Montana

State outside review (120 days); Medicaid hearing deadline 90 days.

Checked against official sources: October 30, 2026.

Appeal deadlines are strict. If you are near a deadline or your care is urgent, call free help today.

Deadlines at a glance in Montana

Outside review
120 days
Hearing deadline
90 days

How each deadline is counted in Montana

Time to file

You have 180 days after you receive the denial notice to file a grievance with your insurer. This is the same as the federal rule.

Law: Mont. Code Ann. 33-32-307, 33-32-308(1), 33-32-309(6)

Deadline to ask

You can ask for external review within 120 days after you receive the notice of the denial or the final grievance decision.

Law: Mont. Code Ann. 33-32-404, 33-32-405, 33-32-410, 33-32-411, 33-32-412, 33-32-415, 33-32-422

The deadline runs from

The date you receive the notice of the denial (adverse determination) or of the final grievance decision

Hearing deadline

The date the notice of the action is mailed (the department must receive your written request within 90 days)

Keeping your benefits during the appeal

Your benefits continue at the same level until the hearing decision if you file your hearing request between the date the notice is mailed and the date the action takes effect, unless you say you do not want them continued.

Sources

The official sources for Montana are listed on the Montana page.