Health Alliance Plan (HAP)
Health Alliance Plan (HAP) Timely Filing Limit
HAP CareSource Medicaid publishes correction and coordination-of-benefits limits; these are not HAP commercial or Medicare limits.
Short answer
HAP CareSource Medicaid publishes correction and coordination-of-benefits limits; these are not HAP commercial or Medicare limits.
Coverage: Michigan HAP; Medicaid details below apply only to HAP CareSource.
Health Alliance Plan (HAP) filing guidance from the reviewed sources: HAP CareSource Medicaid COB claims: 365 days from service/discharge or 120 days from the primary payer EOP, whichever is greater. Confirm the plan, provider agreement, and event that starts the filing period before submission.
At a glance
- HAP CareSource Medicaid publishes correction and coordination-of-benefits limits; these are not HAP commercial or Medicare limits.
Initial claim filing limits
- HAP CareSource Medicaid COB claims: 365 days from service/discharge or 120 days from the primary payer EOP, whichever is greater.
Corrected claim filing limits
- HAP CareSource Medicaid corrected claims: 365 days from the date of service.
Appeal and reconsideration deadlines
- HAP CareSource Medicaid: 30 days from the applicable adverse action, denial/remittance or mailed initial review decision, as described in the FAQ.
Trigger basis and caveats
- No general HAP commercial or Medicare original filing limit verified. Check the provider agreement and the exact dispute type.
Provider resources
- Official provider policy or review source (official)
- Official provider policy or review source (official)
- Official provider policy or review source (official)
Sources
| Fact | Value | Source | Confidence |
|---|---|---|---|
| Official policy review | HAP CareSource Medicaid publishes correction and coordination-of-benefits limits; these are not HAP commercial or Medicare limits. | Official | high |
Update notes
Last updated: 2026-10-30.
- Kept HAP referral and portal information separate from HAP CareSource Medicaid filing rules. No unsupported HAP-wide deadline or payer ID added.
Last reviewed: October 30, 2026
Sources used: 1 official
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