Appeal a UnitedHealthcare CT scan Denial (Code 204)
44% of these denials are overturned on appeal (n=1,455)
UnitedHealthcare is counting on one thing: that you will not push back before the deadline. The denial letter is written to make you give up. The data says appealing is worth it. Denials of this type are overturned about 44% of the time on appeal (n=1,455, external-review records, 2026).
UnitedHealthcare denied a CT scan claim with code 204 (formulary pharmacy). Service, equipment, or drug not covered under the current benefit plan.
Denials of this type are overturned about 44% of the time on appeal (n=1,455, external-review records, 2026).
Your move: appeal citing UnitedHealthcare's coverage policy for CT scan plus the federal rule governing your plan.
Expert analysis: how this denial is overturned
A formulary denial means the drug is not on your plan's covered list, or sits at a tier or restriction the plan will not approve as billed. It is not a statement that the drug is unsafe, only that the plan prefers an alternative. The fix is usually a formulary exception request supported by your prescriber: documentation that preferred drugs failed, caused intolerable side effects, or are contraindicated, plus the clinical rationale for this specific agent. For employer and ACA plans the appeal follows the ERISA claims procedure, including the full-and-fair-review standard in 29 CFR 2560.503-1(h)(1) and the at-least-180-day window in 29 CFR 2560.503-1(h)(3)(i). When the denial rests on medical judgment about appropriateness, it can reach external review under 45 CFR 147.136(d)(1)(i)(A). Move fast if you are mid-therapy, because urgent requests must be decided within 72 hours under 29 CFR 2560.503-1(i). Honest odds: Apellica overturns 44% of appealed formulary denials (n=1,455).
Sources: 29 CFR 2560.503-1 (ERISA claims procedure), 45 CFR 147.136 (ACA internal and external review), and the X12 Claim Adjustment Reason Code standard.
Don't write off a bill you can appeal
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Appeal my UnitedHealthcare CT scan denialFrequently asked questions
- What does denial code 204 mean?
- Service, equipment, or drug not covered under the current benefit plan.
- Is denial code 204 appealable?
- Yes. Denials of this type are overturned about 44% of the time on appeal (n=1,455, external-review records, 2026).
- What should I send to appeal a code 204 denial?
- Supply the missing element for this code, a short appeal letter citing the plan's claims-procedure rules, and any clinical support. Apellica prepares and files this for you.