Earliest Refill Date
Earliest refill date from the last fill, its days supply and the plan threshold.
Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Date of the last fill
- 2026-10-01
- Days supply of that fill
- 30
- Eye drops (use the CMS 70% recommendation if no threshold)?
- Yes
Result: Earliest refill October 22, 2026: 70% of a 30-day supply is 21 days after the fill on October 1, 2026.
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Date of the last fill (YYYY-MM-DD)
- Days supply of that fill
- Plan refill threshold (percent)
- Eye drops (use the CMS 70% recommendation if no threshold)?
How this is calculated
Citation
CMS, Early Refill Edits on Topical Ophthalmic Products (June 2, 2010): refills at 70% of the expected days of use, so a 30-day supply refills at 21 days. A recommendation to Part D plans; each plan sets its own threshold. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.