____ is a low serum potassium level.

The high prevalence of asthma in urban settings has been linked to:

A. overcrowding. B. increased household insects. C. air pollution. D. increased mold spores.

Which of the following is false?

A. Each unique ICD-10-CM diagnosis code may be reported only once for an encounter. B. The guidelines for reporting inpatient and outpatient services are identical. C. Ruled-out conditions are reported in the inpatient setting. D. NCHS is a member of the Cooperating Parties.