Ill, Itinerant, and Insured: The Top 20 Users of Emergency Departments in Baltimore City

Table 2

Most prevalent diagnoses among 20 frequent ED users.

Diagnosis indicated by ICD-9 Code	No. of patients
Limb pain	9
Lack of housing	6
Alteration of consciousness	6
HIV infection	5
Nausea/vomiting	5
Hypertension	5
Drug abuse	5
Alcohol abuse/withdrawal	4
Diabetes	4
Abdominal pain	4
Respiratory symptoms	4