All of the following are examples of a viral skin infection EXCEPT:

Which of the following information best helps to distinguish chronic hypercapnic respiratory failure from acute hypercapnic respiratory failure?

a. Long-standing dyspnea that worsens on exertion b. Forced expiratory volume in 1 sec to forced vital capacity ratio (FEV1/FVC) of less than 75% predicted c. Kidneys retaining bicarbonate to elevate the blood pH d. Physical signs of hypoxemia, such as cya-nosis and clubbing

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

Compression of spinal nerve root