Na _________________________________________________________

What is the preferred method of providing high-concentration oxygen in the prehospital setting?

A) Nasal cannula B) Nonrebreather face mask C) Simple face mask D) Venturi mask

To accurately code using the ICD-9-CM manual the medical biller should:

a. read the introduction. b. double check the code. c. understand the coding and symbols of the publisher. d. All of the above