Table 4.

Summary of all other cause emergency department visits by diagnostic category in individuals with both diabetes and schizophrenia.

ICD-9 (3-digit)	Number of ED visits by diagnosis	Percent	Description	Most common diagnoses in this category
780–799a	111 303	33.8%	Symptoms, signs, & ill-defined conditions	Chest symptoms, shortness of breath, “general symptoms”: fatigue/malaise etc.; nausea, dizziness, etc.
800–999	38 894	11.8%	Injury and poisoningb	Sprains, strains, contusions, lacerations; face, skull, and extremity fractures; medication overdose (psychogenic and medical Rx)
710–739	27 226	8.3%	Musculoskeletal diseases or symptoms	Neck pain, back pain, non-specificpain, and osteoarthritis
460–519	20 383	6.2%	Respiratory system diseases or symptoms	Asthma, pneumonia, and other obstructive lung disease
290–319	19 000	5.8%	Other mental health diagnoses	Bipolar illness, depressive symptoms, conduct disturbance, mental retardation, and other psychiatric symptoms (body rocking, etc.)
390–159	13 315	4.0%	Circulatory/cardiovascular	Hypertension, heart failure, arrhythmias, and coronary disease
520–579	12 852	3.9%	Gastrointestinal/digestive	Gastroenteritis, constipation, GERD, and dental problems; GI bleeding
580–629	9421	2.9%	Genitourinary	UTI, urethritis, menstrual pain and bleeding abnormalities
001–139	8059	2.4%	Infections	Viral/chlamydial infections, HIV, sepsis
320–389	7651	2.3%	Nervous system	Migraine, epilepsy, other headache, and otitis
680–709	7374	2.2%	Skin and subcutaneous tissue	Cellulitis, abscess, dermatitis, rash, skin ulcer

^aICD-9 codes in the range of 780 to 780.xx include diagnoses which could be tied to schizophrenia explicitly (e.g., 780.01 = hallucinations), or implicitly (e.g., altered consciousness [780.09] or transient alteration of awareness [780.02]).

^bAdditional injury visits identified by E-codes are not included in this count