Pediatrics has many medical billing codes that were created just for the use of describing procedures. However, there are other areas of medical billing that do not have these specific codes for children. This can make coding hit or miss unless you know the nuances of what the carrier wants in order to get the maximum reimbursements for procedures performed. A common dilemma is with CPT code 99293 and its use for outpatient emergency room exams for an infant or if code 99291 should be used. The medical billing code 99291 means critical care, evaluation and management of the critically ill or critically injured patient; first 30-74 minutes. You would …