Select an ICD-9-CM code for heartburn.
Question 2
Mary Smith works in a physician's office specializing in orthopedics. Which of the following chapters of the ICD-9-CM would she most commonly use?
A) Diseases of the Respiratory System
B) Diseases of the Musculoskeletal System and Connective Tissue
C) Endocrine, Nutritional, and Metabolic Diseases and Immunity Disorders
D) Symptoms, Signs, and Ill-Defined Conditions