Blue Cross and Blue Shield of Montana Timely Filing Limit

Manual review required. Do not use unconfirmed instructions to submit a request or claim.

• Missing claim filing limit details.

Coverage: BCBSMT Montana medical plans. Healthy Montana Kids, FEP and Medicare Advantage have separate instructions; delegated services and out-of-area members need separate routing.

Blue Cross and Blue Shield of Montana filing limits depend on the plan, provider agreement, and event that starts the filing period. Confirm each item in the official provider resources before submission.

At a glance

• The manuals index and claim-payment resources do not establish one filing deadline across BCBSMT products. Confirm the member product and provider agreement.

Initial claim filing limits

• Not clearly published in the researched sources.

Corrected claim filing limits

• Not clearly published in the researched sources.

Appeal and reconsideration deadlines

• Not clearly published in the researched sources.

Trigger basis and caveats

• No universal initial filing deadline verified for this scope. Confirm the member product and provider agreement before submission.

Provider resources

• Authorization resource (official)
• Filing resource (official)
• Claims resource (official)
• Claim payment (official)

Sources

Update notes

Last updated: 2026-10-30.

• Added delegated authorization and BlueApprovR distinctions. Kept Recommended Clinical Review separate from mandatory prior authorization.
• Public claim and manual resources were reviewed. Exact filing periods remain product/contract dependent; secure dispute details were not tested.