facebook Medical Billing Blog | News, Updates, & Tips | Quest National Services

News & Blog

The Most Commonly Denied Pediatric CPT® Codes

Pediatric medical billing involves preventive care, developmental screenings, immunizations, newborn services, behavioral health assessments, and evaluation and management encounters, creating multiple opportunities for claim denials.…

The Most Commonly Denied Mental Health CPT® Codes

Commonly Denied CPT Codes in Mental Health often involve the same reimbursement pressure points: time-based psychotherapy rules, medical necessity documentation, modifier use, telehealth requirements, payer…

The Most Commonly Denied Dermatology CPT® Codes

Commonly denied CPT codes in dermatology often involve biopsies, lesion destruction, excisions, E/M visits, Mohs surgery, and treatment services that require precise documentation, medical necessity…

The Most Commonly Denied Endocrinology CPT® Codes

The most commonly denied CPT® codes in endocrinology often involve evaluation and management services, diabetes monitoring, continuous glucose monitoring, thyroid testing, therapeutic injections, and remote…

The Most Commonly Denied Cardiology CPT® Codes

Commonly Denied CPT Codes in Cardiology often involve diagnostic testing, cardiovascular imaging, device monitoring, and procedures that require strong documentation, accurate modifier use, and payer-specific…

The Most Commonly Denied Gastroenterology CPT® Codes

Commonly Denied CPT Codes in Gastroenterology often involve colonoscopy classification, endoscopy documentation, modifier selection, pathology relationships, anesthesia coordination, payer-specific screening rules, and medical necessity support.…

The Most Commonly Denied ENT CPT® Codes

ENT medical billing services require close attention to Commonly Denied CPT Codes in ENT because otolaryngology claims often combine office visits, endoscopy, audiology, sinus procedures,…

The Most Commonly Denied Neurology CPT® Codes

Neurology billing involves diagnostic testing, time-based services, procedure coding, modifier use, payer-specific coverage rules, and detailed medical necessity documentation. These factors create multiple opportunities for…

The Most Commonly Denied Radiology CPT® Codes

Radiology billing combines diagnostic imaging, advanced imaging, interventional procedures, contrast studies, supervision requirements, and payer-specific authorization rules, creating multiple opportunities for claim denials. While denial…

The Most Commonly Denied OB/GYN CPT® Codes

OB/GYN billing combines preventive care, obstetric services, diagnostic testing, surgical procedures, family planning, and global maternity billing, creating multiple opportunities for claim denials. While denial…

The Most Commonly Denied Ophthalmology CPT® Codes

Ophthalmology billing combines medical exams, diagnostic imaging, injections, drug billing, surgery, and vision-related services, creating multiple opportunities for claim denials. While denial patterns vary by…

Psychiatry CPT® Codes for 2026 + Modifiers

Psychiatry billing in 2026 reflects one of the most meaningful compliance and reimbursement shifts the specialty has seen in years. Between the long-awaited rate increase,…

Dermatology CPT® Codes for 2026 + Modifiers

Dermatology billing in 2026 reflects both reimbursement stabilization and structural payment reform. While the Physician Fee Schedule increase benefits E/M-heavy practices, significant technical changes affect…