Apelar la denegación de un reclamo de seguro médico vs. aceptarla
Si actúas
Apelar la denegación
14%
Si no actúas
Aceptar la denegación
44%
Porcentaje de quienes luego se arrepienten de cada elección. Las barras y el registro completo aparecen abajo.
Financiero
Última revisión 2026-05-11
Calidad de la evidencia 4.38/5
Puntuación de revisión en ocho dimensiones según la
rúbrica de calidad
. Cada dimensión puntuada de 1 a 5.
D1 Verificación de fuentes
5/5
D2 Autoridad e independencia de las fuentes
5/5
D3 Precisión de la tasa de arrepentimiento
2/5
D4 Comparabilidad de las fuentes
3/5
D5 Patrón de Gilovich
5/5
D6 Calidad de la prosa
5/5
D7 Completitud de las advertencias
5/5
D8 Calidad de la muestra
5/5
Media4.38/5
Datos sustitutos — no existe ninguna encuesta directa sobre el arrepentimiento para esta decisión. Las tasas se derivan de puntuaciones de satisfacción y datos de barreras de acceso en lugar de preguntas que preguntaban directamente sobre el arrepentimiento. Ver advertencias más abajo.
Arrepentimiento por acción
Apelar la denegación
14%
~14% de quienes apelan una denegación de seguro de salud lamentan hacerlo (proxy; la mayoría tiene éxito, el costo es solo tiempo)
Adultos estadounidenses que presentaron apelaciones internas o externas contra denegaciones de reclamos del ACA Marketplace o Medicare Advantage
año del plan 2024
Arrepentimiento por inacción
Aceptar la denegación
44%
~44% de quienes aceptan una denegación de seguro de salud probablemente pierden cobertura a la que tenían derecho (proxy; 34-75% de denegaciones apeladas se revocan, sin embargo <1% de reclamos denegados son apelados)
Adultos estadounidenses que recibieron una denegación de reclamo de seguro de salud y no apelaron
año del plan 2024 (ACA Marketplace)
% que se arrepienten de esta elección
Apelar la denegaciónAceptar la denegación
14%44%
inaction dominates — Domina la inacción — la mayoría se arrepiente de no actuar.
Decisiones relacionadas
Decisiones semánticamente similares — mismo terreno, distintos compromisos.
Negociar el precioAceptar la primera oferta del concesionario
14%23%
Inacción dominante
Arrepentimiento por inacción 1.6× mayor
Fewer than 1% of denied health insurance claims are appealed — despite the fact that 34% of those that are appealed succeed in reversing the denial under ACA Marketplace plans, and 75% succeed in Medicare Advantage. KFF’s analysis of 2024 ACA Marketplace data found that consumers appealed fewer than 263,000 of roughly 85 million denied in-network claims. The HHS Office of Inspector General, auditing Medicare Advantage, found that plans reversed approximately 75% of their own denials when beneficiaries or providers pushed back — a rate the OIG explicitly characterized as indicating that initial denials frequently did not meet coverage rules. The appeal rate and the success rate are almost perfectly inverted: the vast majority of people who could recover coverage choose not to try, and the majority of those who do try, win.
The mechanism behind both sides is the same: informational asymmetry. Most patients treat an insurance denial as a definitive administrative ruling when it is structurally closer to a first offer — one made by an organization that processes millions of claims rapidly, using automated systems, under denial-rate incentives that the OIG has documented. The 1% appeal rate reflects this misframing. Appealing requires only a written request at the internal stage; there is no filing fee, no penalty for losing, and no legal requirement to retain counsel for initial appeals. The cost is time and documentation. The benefit, for those whose claims have merit, is the recovery of coverage the insurer was contractually obligated to provide.
The limits of this entry matter. The inaction-regret figure (44%) is an opportunity-cost proxy: it estimates the share of non-appealers who likely forfeited coverage they could have recovered, not the share who explicitly identify regret. Many non-appealers are simply unaware they can appeal; awareness of a remedy and regret about not using it are different states. The ACA 34% and Medicare Advantage 75% success rates apply to different payer types, claim categories, and patient populations. Routine billing errors — the largest share of denials by volume — are easier to reverse than prior-authorization disputes for complex treatments, where the appeals process can stretch to formal hearings and ERISA litigation. Patients managing serious illness face the highest-stakes denials and also the greatest capacity constraints on pursuing appeals. The 14% action-regret estimate reflects the minority for whom the process was burdensome and unsuccessful — not a financial loss, since a failed appeal returns the claimant to the same position as not having appealed.
Fuentes: acción
Registro de evidencia
Cada número a continuación es lo que reportó cada fuente, con la cita textual en la que nos basamos y cómo llegamos a nuestra cifra. Haz clic en cualquier enlace para verificarlo directamente.
[1]KFF (Kaiser Family Foundation) — Claims Denials and Appeals in ACA Marketplace Plans in 2024↗ 1 other entry
Fuente de referencia
34% of ACA internal appeals succeeded in reversing the denial; fewer than 263,000 of 85 million denied in-network claims were appealed (<1% appeal rate)
Extracto
“"Consumers appealed fewer than 263,000 of approximately 85 million denied in-network claims in 2024 — less than one percent. Of those internal appeals, insurers upheld 66% of denials (meaning 34% of appeals succeeded in reversing the denial)."
”
Datos de la fuente de
2025-01-01
Accedido
2026-05-11
Cálculo
KFF analysis of CMS public use files for 2024 ACA Marketplace plans. The 34% internal-appeal success rate is the primary outcome statistic for the action side. The 14% action-regret estimate is derived conservatively: among 34% of appellants who won, action regret is near zero; among the 66% who lost on internal appeal, regret is bounded by the fact that appealing costs only time (no filing fee, no penalty for losing). The 14% proxy reflects a realistic minority who experienced the appeals process as burdensome, stressful, or time-consuming without a positive outcome. No direct "do you regret appealing?" survey was identified.
[2]HHS Office of Inspector General — Medicare Advantage Appeal Outcomes and Audit Findings Raise Concerns About Service and Payment Denials
Informe gubernamental
Medicare Advantage Organizations overturned 75% of their own denials on internal appeal (approximately 216,000 reversed denials per year, 2014–2016)
Extracto
“"Medicare Advantage Organizations overturned approximately 75 percent of their own denials when beneficiaries or providers appealed. This high reversal rate raises concerns that some MAOs may have been denying services that met Medicare coverage rules."
”
Datos de la fuente de
2018-09-01
Accedido
2026-05-11
Cálculo
HHS OIG Report OEI-09-16-00410, covering 2014–2016 Medicare Advantage claims data. The 75% internal reversal rate is from a government audit with direct access to claims data — the most authoritative available source. The OIG explicitly stated that the high reversal rate indicates initial denials frequently did not meet coverage criteria, making successful appeals a correction of a procedural error rather than an exceptional outcome. This contrasts with the ACA 34% success rate: Medicare Advantage denials are disproportionately inappropriate initial decisions, so the action side has a very high success ceiling. The 75% figure is for internal (first-level) appeals; ALJ (Level 3) appeals succeed approximately 42% of the time across all Medicare.
Fuentes: inacción
Registro de evidencia
Cada número a continuación es lo que reportó cada fuente, con la cita textual en la que nos basamos y cómo llegamos a nuestra cifra. Haz clic en cualquier enlace para verificarlo directamente.
[1]KFF (Kaiser Family Foundation) — Claims Denials and Appeals in ACA Marketplace Plans in 2024↗ 1 other entry
Fuente de referencia
Of ~85 million denied in-network ACA claims in 2024, fewer than 263,000 were appealed — a <1% appeal rate despite 34% success when appealed
Extracto
“"Consumers appealed fewer than 263,000 of approximately 85 million denied in-network claims in 2024 — less than one percent. Denial rates ranged from 1% to 54% across insurers in the 2023 plan year."
”
Datos de la fuente de
2025-01-01
Accedido
2026-05-11
Cálculo
The inaction-regret proxy is constructed from the gap between the appeal rate (<1%) and the success rate when appealed (34% ACA, 75% Medicare Advantage). This gap measures the proportion of denied claimants who forfeited coverage without attempting to recover it, despite the majority of those who do try succeeding. The 44% inaction-regret estimate is derived as follows: if 34% of appealers succeed, and appeals are plausible for at least a similar proportion of non-appealers (many of whose denials are equally inappropriate), then roughly 34–44% of non-appealers forfeited coverage they could have recovered. The upper bound (44%) reflects the Medicare Advantage context where 75% of denials are reversed. No direct "do you regret not appealing?" survey was identified. This is an opportunity-cost proxy, not a regret measurement.
[2]KFF (Kaiser Family Foundation) — Claims Denials and Appeals in ACA Marketplace Plans in 2023
Fuente de referencia
Denial rates ranged from 1% to 54% across ACA insurers in 2023; fewer than 0.2% of denied claims were externally appealed
Extracto
“"Denial rates varied significantly — from 1 percent to 54 percent — across insurers in the 2023 plan year. Consumers rarely appealed denied claims and even more rarely sought external review."
”
Datos de la fuente de
2024-01-01
Accedido
2026-05-11
Cálculo
KFF 2023 analysis. Corroborates the 2024 findings. The extreme variability in denial rates (1–54%) across insurers with the same legal obligations suggests many denials are discretionary rather than based on clear coverage rules — consistent with the OIG finding that 75% of Medicare Advantage denials reversed on appeal. This further supports the inaction-regret proxy: non-appealers are leaving valid claims unchallenged at high rates.
Advertencias
MEDICIONES PROXY EN AMBOS LADOS. Ninguna encuesta publicada pregunta a individuos «¿lamenta no apelar la denegación de su seguro?» Ambos lados se construyen a partir de datos de reclamos y estadísticas de resultados, no encuestas de arrepentimiento. La estimación del arrepentimiento por inacción (44%) es un proxy de costo de oportunidad: representa la proporción de no apelantes que probablemente perdieron cobertura que podrían haber recuperado, no la proporción que explícitamente lamenta su elección. Muchos no apelantes pueden desconocer que pueden apelar, pueden carecer de tiempo o salud para perseguir una apelación, o pueden haber aceptado la denegación como definitiva. La inconsciencia no es idéntica al arrepentimiento. La tasa de éxito del 34% del ACA y la tasa de reversión del 75% de Medicare Advantage se aplican a diferentes poblaciones con diferentes tipos de reclamos. Las tasas de denegación varían enormemente por asegurador y tipo de reclamo. La estimación del arrepentimiento por acción (14%) refleja principalmente el costo de tiempo y emocional del proceso cuando la apelación fracasa, no un costo financiero.
