Which IBD medications are usually covered by your insurer?
Select an insurer, medication, and condition to see typical commercial coverage, prior authorization, and step therapy requirements, all based on publicly available formulary policies.
Brand Humira is typically excluded from Aetna standard formularies
Aetna's standard commercial formularies generally exclude brand Humira (adalimumab) for Crohn's disease in favor of preferred alternatives, typically preferred adalimumab biosimilar (preferred products vary by formulary template — e.g., Hyrimoz or unbranded adalimumab-adaz). Employer plans can opt out, and infused vs. self-injected forms may follow different rules. A formulary exception or medical-necessity appeal is usually the path to brand coverage.
- Prior authorization
Exception required
Brand coverage generally requires a formulary exception or medical-necessity review.
- Step therapy
Preferred products first
Must use preferred adalimumab biosimilar (preferred products vary by formulary template — e.g., Hyrimoz or unbranded adalimumab-adaz) unless an exception is granted.
- Typical placement
Excluded on standard template formularies
adalimumab biosimilars preferred; employer opt-outs vary, so not universal across every Aetna plan
- Line of business:
- Commercial
- Reauthorization:
- Continuation requires documented benefit; CPB 0655 does not set a universal renewal period
- PA criteria:
- Brand Humira is excluded on CVS Caremark/Aetna standard commercial template formularies in favor of adalimumab biosimilars; employer plan opt-outs apply. The underlying adalimumab policy (CPB 0655) requires moderate-to-severe active Crohn's disease, TB screening for biologic-naive patients, and no combination with another biologic or targeted agent — it does not require prior biologic failure, and the base policy itself covers both Humira and biosimilars.
- Exception path:
- Formulary exception / medical-necessity review documenting failure, intolerance, or contraindication to the preferred adalimumab biosimilars; plan sponsors can opt out of the template exclusion
- Scope:
- CVS Caremark/Aetna commercial template formularies plus medical-benefit CPB 0655; employer opt-outs and benefit route affect which rules apply.
The access landscape for Crohn's disease
How restrictive each major insurer's standard commercial formulary is, per medication. Select any cell to see the details above.
- Prior auth
- PA + step therapy
- Brand excluded / off formulary
- Varies by local plan
Standard commercial policies; last reviewed Jul 2026. Coverage depends on your exact plan, employer group, state, and whether the drug is infused (medical benefit) or self-injected (pharmacy benefit). Blue Cross Blue Shield coverage is set by independent local Blue companies, and Kaiser Permanente details reflect Kaiser Northwest policy documents. This tool summarizes publicly available policies and is for informational purposes only. Your individual plan may differ from the public documents cited here. It is not medical or insurance advice. Your selections are not saved or sent to a server; they live only in your browser and this page's web address, so you can bookmark or share a result.