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Table 3 Proportion of ED Visits at University Hospital 1 with non-opioid poisoning ICD-9-CM diagnosis codes that were determined to be opioid-related

From: Use of diagnosis codes for detection of clinically significant opioid poisoning in the emergency department: A retrospective analysis of a surveillance case definition

Code

909: Late effects of other & unspecified external causes (n = 23)

977.9: Poisoning by unspecified drug (n = 27)

304.0 or 304.7: Drug dependence (n = 11)

305.5: Nondependent opioid abuse (n = 17)

Percent male

48 %

37 %

55 %

35 %

Mean age in years (SD)

38.6 (16.9)

27 (16.5)

39.2 (14)

37.2 (12.7)

Percent admitted to hospital

70 %

48 %

73 %

47 %

Percent given naloxone

17 %

7 %

9 %

6 %

Percent with chief complaint of poisoning

17 %

63 %

27 %

41 %

Percent Primary Opioid Poisonings

30 %

22 %

0 %

6 %