All of the following may be topics addressed by informational patient education brochures EXCEPT

While auscultating an elderly woman's breath sounds, you hear low-pitched "rattling" sounds at the bases of both of her lungs. This finding is MOST consistent with which of the following conditions?

A. Aspiration pneumonia B. Widespread atelectasis C. Early pulmonary edema D. Acute asthma attack

Select an ICD-9-CM code for lymphocytopenia