Advanced disseminated metastatic cancer

/in /by

A very frail 83 year old male patient was admilted to the hospital after a period of declining health. After examination and a CT scan it was determined that the patient has advanced disseminated metastatic cancer. There was no prior history of cancer for this patient. The colon was the suspected primary site, but the testing was not definitive for the primary site of the cancer. What ICD-10CM code is used for the diagnosis? [ICD10cm]