USMLE topics by organ system

Neonatology, growth & development, congenital and childhood disease.

Adult inpatient and ambulatory medicine across organ systems.

Obstetrics, gynecology, and reproductive health.

General surgery, trauma, acute abdomen, and peri-operative care.

Red eye, vision loss, and high-yield ocular disease.

Ear, nose, throat, and head & neck disease.

Case management & treatment: next-best-step decisions, therapeutics, and evidence-based management across specialties.

Error types, root-cause analysis, quality improvement, and safety culture.