Pre-existing condition
medical condition that started before a person's health benefits went into effect
In the context of healthcare in the United States, a pre-existing condition is a medical condition that existed before a person's health insurance went into effect. Before 2014, some insurance policies would not cover expenses due to pre-existing conditions. These exclusions by the insurance industry were intended to mitigate adverse selection by potential customers. Such exclusions have been prohibited since January 1, 2014, by the Patient Protection and Affordable Care Act.
According to the Kaiser Family Foundation, more than a quarter of adults below the age of 65 (approximately 52 million people) had pre-existing conditions in 2016.
Definitions
The University of Pittsburgh Medical Center defines a pre-existing condition as a "medical condition that occurred before a program of health benefits went into effect". J. James Rohack, president of the American Medical Association, has stated on a Fox News Sunday interview that exclusions, based upon these conditions, function as a form of "rationing" of health care.
Conditions can be broken down into two further categories, according to Lisa Smith of Investopedia:
Most insurance companies use one of two definitions to identify such conditions. Under the "objective standard" definition, a pre-existing condition is any condition for which the patient has already received medical advice or treatment prior to enrollment in a new medical insurance plan. Under the broader, "prudent person" definition, a pre-existing condition is anything for which symptoms were present and a prudent person would have sought treatment.
The public source identifies “Pre-existing condition” as medical condition that started before a person's health benefits went into effect. This brief keeps that definition visible, then builds a research path around Pre-existing, condition and medical.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jul 25, 2026. The linked authority identifier is Q7239228. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2014 and 2016.
The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Pre-existing condition” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.