Who normally contracts with an MSO?

Diabetes mellitus is an endocrine disorder characterized by:

A) inadequate glucose production. B) inadequate insulin activity in the body. C) excessive glucose production. D) excessive catecholamine production.

Using an ICD-9-CM code book, select the appropriate code(s) for the following questions

Arteriography of the aorta using contrast material is coded to what category in the ICD-9-CM? What is the actual code used? Afer you have located the category, note that there is a special, important notation to the coder. What is this notation?