Wiki E/M codes and v65.19

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One of the doctors in our practice met with the family of a patient who was in a hospice facility. The family consulted with the doctor about end of life issues. The patient had Medicare. The patient has since passed away. I coded a 99214 with the diagnosis V65.19 and the claim was denied. I have read other older posts relating to this question but I'm still not clear as to whether I should bill the estate of the patient or if there is something else I can do to get Medicare to pay the claim. Any thoughts?