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.
Yes, Tremfya is typically covered by Aetna, with prior authorization
Most Aetna commercial plans cover Tremfya (guselkumab) for Crohn's disease, but your prescriber must submit clinical documentation before the plan will pay. Approval is common when criteria are met.
- Prior authorization
Required
Prescriber submits clinical documentation; decision times vary by plan, urgency, and how complete the submission is.
- Step therapy
None
No fail-first in the cited policy; individual plan formularies can still add rules.
- Typical placement
Varies by plan
CPB 1011 does not establish a pharmacy tier
- Line of business:
- Commercial
- Reauthorization:
- Continuation requires documented clinical improvement; no universal 12-month period stated
- PA criteria:
- Moderate-to-severe active Crohn's disease; prescribed by or in consultation with a gastroenterologist; TB screening and labeled route requirements; precertification required under CPB 1011. Continuation requires documented clinical improvement. No mandatory prior drug is listed in the base policy; plan-level pharmacy rules may differ.
- Exception path:
- None specified
- Scope:
- Aetna commercial medical-benefit CPB 1011; IV/SC and pharmacy-benefit rules may differ.
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.