Debilitating medical condition. "Debilitating medical condition" means:

A. Cancer, glaucoma, positive status for human immunodeficiency virus, acquired immune deficiency syndrome, hepatitis C, amyotrophic lateral sclerosis, Crohn’s disease, agitation of Alzheimer’s disease, nail-patella syndrome or the treatment of these conditions;

B. A chronic or debilitating disease or medical condition or its treatment that produces intractable pain, which is pain that has not responded to ordinary medical or surgical measures for more than 6 months;

C. A chronic or debilitating disease or medical condition or its treatment that produces one or more of the following: cachexia or wasting syndrome; severe nausea; seizures, including but not limited to those characteristic of epilepsy; or severe and persistent muscle spasms, including but not limited to those characteristic of multiple sclerosis; or

D. Any other medical condition or its treatment approved by the department as provided for in section 2424, subsection 2.