Table 3.

Top diagnoses resulting in a hydrocodone/acetaminophen prescription.

Diagnosis	ICD-9 codes	ED visits	No. of prescriptions
Back pain	724	264,589 (4.2%)	76,131 (16.2%)
Arthropathy	710–719	281,336 (4.5%)	63,550 (13.5%)
Oral, dental	520–529	27,730 (0.4%)	25,577 (5.4%)
Skin infection	680–686	187,765 (3.0%)	23,291 (4.9%)
Abdominal pain	789	156,745 (2.5%)	16,616 (3.5%)
Chest pain	786.5	233,437 (3.7%)	13,593 (2.9%)
Neck pain	723	47,461 (0.8%)	12,038 (2.6%)
Nephrolithiasis	592	32,728 (0.5%)	11,795 (2.5%)
Gout	274	42,351 (0.7%)	9,771 (2.1%)
Headache	784, 339	85,502 (1.4%)	7,732 (1.6%)

ED, emergency department