The patient was admitted to the outpatient clinic for radiation therapy for his adenocarcinoma of the liver due to metastatic prostatic carcinoma 10 years ago. He was given beam radiation therapy (radiation oncology) to the liver, using photons 1-10 MeV.

a. Z51.0, Z85.46, DF002ZZ
b. C78.7, Z85.46, DF001ZZ
c. C61, C78.7, DF001ZZ
d. Z51.0, C78.7, Z85.46, DF001ZZ