Emergency and urgent care coding require rapid ICD-10 specificity, trauma coding (99291–99292 for critical care), and procedural accuracy (CPT 31500 for intubation, 36415 for venipuncture). Proper documentation for laceration repairs (12001–13160), fracture care (29000–29799), and diagnostic services (93000 for ECGs, 71045 for X-rays) is vital to avoid downcoding or upcoding errors. AllegianceRCM streamlines emergency medical coding, reducing denials and improving reimbursement speed.