How Medigap Insurance Is Affected by Preexisting Conditions

Delaying enrollment in a medigap policy can lead to higher premiums and denial of coverage in most states.

Pill capsules and stethoscope with text MEDIGAP.
(Image credit: Getty Images)

Medigap plans, also called a Medicare Supplement Insurance, are sold by private companies, and can help pay some of the health care costs Original Medicare doesn't cover, such as copayments and deductibles. 

Unlike Medicare, there are circumstances when insurance companies can factor in preexisting conditions when deciding whether to offer you a medigap policy or when setting the premiums.

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Kimberly Lankford
Contributing Editor, Kiplinger's Personal Finance

As the "Ask Kim" columnist for Kiplinger's Personal Finance, Lankford receives hundreds of personal finance questions from readers every month. She is the author of Rescue Your Financial Life (McGraw-Hill, 2003), The Insurance Maze: How You Can Save Money on Insurance -- and Still Get the Coverage You Need (Kaplan, 2006), Kiplinger's Ask Kim for Money Smart Solutions (Kaplan, 2007) and The Kiplinger/BBB Personal Finance Guide for Military Families. She is frequently featured as a financial expert on television and radio, including NBC's Today Show, CNN, CNBC and National Public Radio.