Medicare Plan K vs Plan L: Which One is Right for You? | Best Review in 2025

If you’re exploring Medicare Supplement (Medigap) plans, you may have come across two popular options: Plan K and Plan L. Both plans help cover certain costs not paid by Original Medicare, like copayments and coinsurance, but they differ in their cost-sharing structure, coverage, and potential out-of-pocket expenses. Understanding these differences is key to choosing the right plan for your healthcare and financial needs.

Overview of Medicare Supplement Plans K and L

Medigap Plan K and Plan L are designed to help reduce the financial burden of Original Medicare’s out-of-pocket expenses. Unlike more comprehensive Medigap plans, they offer a cost-sharing approach that results in lower monthly premiums. However, each plan’s coverage percentages and annual out-of-pocket limits vary.

Medicare Plan K:

  • Covers 50% of most major Medigap benefits after Original Medicare pays its share.
  • Includes a yearly out-of-pocket limit, which can provide financial protection.
  • Generally has lower premiums due to higher cost-sharing by the beneficiary.

Medicare Plan L:

  • Covers a larger percentage (75%) of most major Medigap benefits after Original Medicare pays its share.
  • Also includes a yearly out-of-pocket limit, which is lower than Plan K’s limit.
  • Offers a balance between coverage and cost-sharing, often with slightly higher premiums than Plan K.

Key Differences Between Plan K and Plan L

  1. Coverage Percentages:
  • Plan K: Pays 50% of costs for services such as Medicare Part B coinsurance, skilled nursing facility care coinsurance, and the first three pints of blood.
  • Plan L: Covers 75% of these same costs, meaning you pay less out of pocket for covered services.
  1. Annual Out-of-Pocket Limits:
  • Plan K: Has a higher annual out-of-pocket limit. Once you reach this limit, Plan K pays 100% of covered services for the rest of the calendar year.
  • Plan L: Features a lower annual out-of-pocket limit, providing greater financial protection if you require extensive medical care.
  1. Premium Costs:
  • Plan K: Premiums are typically lower because you’re responsible for a larger share of costs.
  • Plan L: Premiums tend to be slightly higher due to its increased coverage percentages.
  1. Additional Benefits:
  • Neither plan covers the Medicare Part B deductible or excess charges. However, both offer some protection against unexpected medical costs and include hospice care coinsurance or copayment at 50% (Plan K) or 75% (Plan L).

Choosing the Right Plan for You

Deciding between Plan K and Plan L depends on your financial situation, expected healthcare needs, and comfort level with cost-sharing. Here are a few factors to consider:

Choose Plan K if:

  • You prefer lower monthly premiums.
  • You’re comfortable with a higher level of cost-sharing.
  • You don’t anticipate frequent or costly medical services.

Choose Plan L if:

  • You want higher coverage percentages for services.
  • You prefer a lower annual out-of-pocket limit for greater financial protection.
  • You’re willing to pay a slightly higher monthly premium for more peace of mind.

Medicare Plan K and Plan L each provide valuable coverage that can help you manage healthcare costs not covered by Original Medicare. While Plan K offers lower premiums and higher cost-sharing, Plan L provides greater coverage with a lower annual out-of-pocket limit. Understanding these differences will help you select the plan that aligns with your budget, healthcare needs, and overall peace of mind.

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