EZAppeal Blog

Expert guides on insurance appeals, denial management, and prior authorization for billing professionals and healthcare providers.

Appeal Aetna Bariatric Surgery Denial — Letter Template & Deadlines

Denial Help · 8 min read · February 23, 2026

Aetna denied bariatric surgery? Appeal deadline, BMI and comorbidity criteria, CPT codes, and a step-by-step letter template to overturn the denial.

Appeal Aetna Biologics Denial — Letter Template, Deadlines & Codes

Denial Help · 7 min read · February 23, 2026

Aetna denied biologics for rheumatoid arthritis? Step therapy requirements, appeal deadline, and a letter template to overturn the denial.

Appeal Aetna Cardiac Catheterization Denial — Letter Template & Deadlines

Denial Help · 7 min read · February 23, 2026

Aetna denied cardiac catheterization? Appeal deadline, medical necessity criteria, CPT codes, and a letter template to overturn the denial.

Appeal Aetna Facet Joint Injection Denial — Letter Template & CPT Codes

Denial Help · 7 min read · February 23, 2026

Aetna denied facet joint injections? Appeal deadline, conservative treatment requirements, CPT codes, and a letter template to overturn it.

Appeal Aetna Breast MRI Denial — Letter Template, Deadlines & CPT Codes

Denial Help · 7 min read · February 23, 2026

Aetna denied your breast MRI? Appeal deadline, high-risk screening criteria, CPT codes, and a letter template to overturn the denial.

Appeal Aetna Spinal Fusion Denial — Letter Template, Deadlines & CPT Codes

Denial Help · 7 min read · February 23, 2026

Aetna denied spinal fusion surgery? Appeal deadline, medical necessity criteria, CPT codes, and a letter template to overturn the denial.

Appeal Aetna Total Hip Replacement Denial — Letter Template & Deadlines

Denial Help · 7 min read · February 23, 2026

Aetna denied total hip replacement? Appeal deadline, failed conservative treatment criteria, CPT codes, and a letter template to overturn it.

Appeal Aetna Lumbar MRI Denial — Letter Template, Deadlines & CPT Codes

Denial Help · 7 min read · February 23, 2026

Aetna denied your lumbar spine MRI? Appeal deadline, clinical indications, CPT codes, and a step-by-step letter template to overturn the denial.

UHC Denied Genetic Testing? Appeal Guide + Free Template (2026)

Denial Help · 7 min read · February 23, 2026

UnitedHealthcare denied genetic testing (CPT 81479)? Free appeal letter template with UHC molecular pathology criteria, NCCN guideline references, and step-by-step appeal instructions.

Appeal UnitedHealthcare Physical Therapy Denial — Template & CPT Codes

Denial Help · 8 min read · February 23, 2026

UnitedHealthcare denied physical therapy? Appeal deadline, visit limit rules, CPT codes, and a step-by-step letter template to overturn the denial.

Appeal UnitedHealthcare CT Abdomen Denial — Letter Template & CPT Codes

Denial Help · 8 min read · February 23, 2026

UnitedHealthcare denied your abdominal CT scan? Appeal deadline, clinical indications, CPT codes, and a letter template to overturn the denial.

Appeal UnitedHealthcare Colonoscopy Denial — Letter Template & CPT Codes

Denial Help · 7 min read · February 23, 2026

UnitedHealthcare denied your colonoscopy? Appeal deadline, screening vs diagnostic criteria, CPT codes, and a letter template to overturn the denial.

Appeal UnitedHealthcare Sleep Study Denial — Letter Template & CPT Codes

Denial Help · 7 min read · February 23, 2026

UnitedHealthcare denied your sleep study? Appeal deadline, clinical indications, CPT codes, and a letter template to overturn the denial.

Appeal UnitedHealthcare Epidural Injection Denial — Template & CPT Codes

Denial Help · 7 min read · February 23, 2026

UnitedHealthcare denied epidural steroid injection? Appeal deadline, frequency limits, CPT codes, and a letter template to overturn the denial.

Appeal UnitedHealthcare Shoulder MRI Denial — Letter Template & CPT Codes

Denial Help · 7 min read · February 23, 2026

UnitedHealthcare denied your shoulder MRI? Appeal deadline, clinical criteria, CPT codes, and a letter template to overturn the denial.

Appeal UnitedHealthcare Spinal Fusion Denial — Letter Template & CPT Codes

Denial Help · 7 min read · February 23, 2026

UnitedHealthcare denied spinal fusion? Appeal deadline, medical necessity criteria, CPT codes, and a letter template to overturn the denial.

Appeal UnitedHealthcare Knee Replacement Denial — Template & CPT Codes

Denial Help · 7 min read · February 23, 2026

UnitedHealthcare denied total knee replacement? Appeal deadline, failed conservative treatment criteria, CPT codes, and a letter template to overturn it.

UHC Denied Your Lumbar MRI? Step-by-Step Appeal Guide (2026)

Denial Help · 7 min read · February 23, 2026

UnitedHealthcare denied your lumbar MRI (CPT 72148)? 44% of appealed denials get overturned. Free appeal letter template with exact UHC medical policy criteria and filing deadlines.

The Difference Between Prior Auth and Precertification

Education · 6 min read · February 23, 2026

Learn the key differences between prior authorization and precertification to streamline your healthcare approvals and reduce claim denials by 40%

Medical Billing Denial Codes: Complete CARC & RARC Reference Guide (2026)

Education · 15 min read · February 22, 2026

Complete guide to medical billing denial codes. Every common CARC and RARC code explained with meanings, fix instructions, and appeal strategies. Updated for 2026 billing requirements.

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