Below is a list summarizing the CPT codes for radiation hyperthermia treatment. CPT Code 77600 CPT 77600 describes hyperthermia that is externally generated and superficial, meaning heating to a depth of 4 cm or less. CPT Code 77605 CPT 77605 describes deep hyperthermia, externally generated, heating to depths greater than 4 cm. CPT Code 77610…