In 2023, around 18 percent of all in-network claim denials by HealthCare.gov issuers in the United States were attributed to administrative reasons. This was the most common reason for denial of in-network claims in the given year, followed by the exclusion of the service by the insurer, accounting for 16 percent of all denials.
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KFF. (January 26, 2025). Distribution of denied in-network claims by HealthCare.gov issuers in the United States in 2023, by reasons for denial [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 27, 2026, from /statistics/1609672/denial-rates-for-in-network-claims-by-aca-issuers-by-reason/
KFF. "Distribution of denied in-network claims by HealthCare.gov issuers in the United States in 2023, by reasons for denial." Chart. January 26, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 27, 2026. /statistics/1609672/denial-rates-for-in-network-claims-by-aca-issuers-by-reason/
KFF. (2025). Distribution of denied in-network claims by HealthCare.gov issuers in the United States in 2023, by reasons for denial. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 27, 2026. /statistics/1609672/denial-rates-for-in-network-claims-by-aca-issuers-by-reason/
KFF. "Distribution of Denied In-network Claims by Healthcare.Gov Issuers in The United States in 2023, by Reasons for Denial." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 26 Jan 2025, /statistics/1609672/denial-rates-for-in-network-claims-by-aca-issuers-by-reason/
KFF, Distribution of denied in-network claims by HealthCare.gov issuers in the United States in 2023, by reasons for denial ÌÇÐÄÆƽâ°æ, /statistics/1609672/denial-rates-for-in-network-claims-by-aca-issuers-by-reason/ (last visited July 27, 2026)
Distribution of denied in-network claims by HealthCare.gov issuers in the United States in 2023, by reasons for denial [Graph], KFF, January 26, 2025. [Online]. Available: /statistics/1609672/denial-rates-for-in-network-claims-by-aca-issuers-by-reason/
