The provider admitted an 18 month-old infant to the hospital from his office to rule out sepsis. The infant is crying inconsolably. He has a large amount of gas in his bowel, no hematochezia associated with it. A comprehensive history, comprehensive exam and moderate decision making is documented. If cultures are negative and the patient remains afebrile for 48 hours, the infant will be discharged home. What CPT® code is reported for this visit?