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Reimbursement

Cap Period Exposure

Risk of exceeding the aggregate cap during a cap year

Quick answer

The risk that a hospice's Medicare payments for the cap year will exceed its per-beneficiary aggregate cap, generating a lump-sum repayment obligation at the close of the September 30 period.

What it is

Cap period exposure is the risk that a hospice's Medicare payments for a given cap year will exceed its aggregate cap, creating a repayment obligation. It is measured as the gap between payments received and the allowable cap amount as the cap period progresses.

How it works

The cap period is a 12-month window. It was historically November 1 through October 31, but since the 2017 cap year it has been aligned to the federal fiscal year, and the current regulation defines the cap period as "the twelve-month period ending September 30" (42 CFR 418.3)[1]. So the FY2026 cap period runs October 1, 2025 through September 30, 2026, and it does not align with the older October 31 year-end that some legacy references still cite. Exposure is tracked by projecting year-end payments and comparing them against the allowable amount, which equals the cap amount ($35,361.44 for FY2026) times the projected proportional beneficiary count (CMS FY2026 final rule fact sheet, https://www.cms.gov/newsroom/fact-sheets/fy-2026-hospice-wage-index-and-payment-rate-update-and-hospice-quality-reporting-program; 42 CFR 418.309, https://www.ecfr.gov/current/title-42/chapter-IV/subchapter-B/part-418/subpart-G/section-418.309). A hospice with rising average length of stay, a low admission rate, or a high concentration of long-stay diagnoses accumulates payment against a fixed ceiling and watches its headroom shrink. Live discharges and new admissions both change the beneficiary count and therefore the exposure.

Why it matters

Cap period exposure is the source of the largest unbudgeted cash obligations in hospice operations, typically manifesting as a lump-sum recoupment at the close of the cap year. Programs that project exposure infrequently face the full amount at year-end without sufficient time for census adjustments to affect the outcome. The cap period closes September 30 under current regulation, and any internal tracking based on the older November 1–October 31 window produces projections against the wrong close date. Rising average length of stay is the leading indicator of increasing exposure: as stays lengthen against a fixed per-beneficiary ceiling, headroom contracts. If a midyear projection shows a program trending above its allowable amount, admission strategy and diagnosis mix are the variables with sufficient lead time to change the trajectory before the period closes.

Key takeaways

  • The current cap period is the 12-month period ending September 30, aligned to the federal fiscal year since the 2017 cap year, not the older November 1–October 31 window (42 CFR 418.3)[1].
  • The FY2026 cap period runs October 1, 2025 through September 30, 2026 (42 CFR 418.3)[1].
  • Allowable payment equals $35,361.44 times the proportional beneficiary count for FY2026 (CMS FY2026 final rule fact sheet)[2].
  • Rising average length of stay is the primary driver of shrinking cap headroom.

FAQ

Not currently; that was the historical window, but since the 2017 cap year the cap period has been aligned to the federal fiscal year and is now defined as the twelve-month period ending September 30 (42 CFR 418.3)[1].

September 30, 2026, with the period beginning October 1, 2025 (42 CFR 418.3)[1].

A rising average length of stay against a flat or falling admission rate, because it accumulates payment against a fixed per-beneficiary ceiling (42 CFR 418.309)[3].

Sources

  1. https://www.ecfr.gov/current/title-42/chapter-IV/subchapter-B/part-418/subpart-A/section-418.3
  2. https://www.cms.gov/newsroom/fact-sheets/fy-2026-hospice-wage-index-and-payment-rate-update-and-hospice-quality-reporting-program
  3. https://www.ecfr.gov/current/title-42/chapter-IV/subchapter-B/part-418/subpart-G/section-418.309
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