A 28-year-old female patient is returning to her provider’s…

A 28-year-old female patient is returning to her provider’s office with complaints of RLQ pain and heartburn with a temperature of 100.2. The provider performs a medically appropriate history and exam. Abdominal ultrasound is ordered and the patient has mild appendicitis. The provider prescribes antibiotics to treat the appendicitis in hopes of avoiding an appendectomy. What are the correct CPT® and ICD-10-CM codes for this encounter?