Questions & answers · Health insurance
How fast must a Medicare Part D plan decide a redetermination?
Health insuranceAppealChecked Nov 5, 2026
From K.Actuary, founded by Sangmin Kwon, ASA · sources checked 2026-11-05 · Source: 42 CFR 423.590 (eCFR (current as of 2026-11-02)) · § 423.590(a), (b), (d) View original ↗
In short
- A Part D plan has 7 days to decide a standard appeal.
- A payment appeal can take 14 days.
- An urgent one gets 72 hours.
What this means
A Medicare Part D plan must decide a redetermination within 7 calendar days from the date it receives the request for a standard redetermination [1]. For certain redeterminations, the plan must decide within 14 calendar days from the date it receives the request [1]. In urgent cases, the plan must decide within 72 hours after receiving the request [1]. The specific time frame depends on the type of redetermination and the circumstances [1].
Where this comes from (1)
[1] 42 CFR 423.590 (eCFR (current as of 2026-11-02)) · § 423.590(a), (b), (d) · checked 2026-11-05
no later than 7 calendar days from the date it receives the request for a standard redetermination … no later than 14 calendar days from the date it receives the request for redetermination … no later than 72 hours after receiving the request.
How we found this
We matched your question to 1 official source, quoted the exact lines, and re-checked each quote against its source on 2026-11-05.
What we don’t know yet
Your own plan or notice may say something different. If your letter cites another rule, send it and we will look again.
Every answer is checked against the official rule it quotes.
Information only — not legal advice. Your plan, insurer or agency decides.
This answer quotes the official sources listed above, with the date we checked them. Your own policy, notice and state rules control. We are not your lawyer or your insurer. We don’t file, argue or negotiate claims for you — you send any letter or form yourself.
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