Table 4 Type of acetaminophen exposure or overdose that occurred with each International Classification of Disease (ICD-9) code used to document the emergency department (ED) visit, by age group
Age category | Description | ICD-9 code | Visits | Cases | Unintentional, N (%; 95% CI) | Intentional, N (%; 95% CI) | Illicit unintended use, N (%; 95% CI) |
|---|---|---|---|---|---|---|---|
Total | N=1,215 | N=316 | N=172 | N=139 | N=5 | ||
Poisoning | 965.4 | 290 | 269 | 146 (54.3; 48.1-60.3) | 119 (44.2; 38.2-50.4) | 4 (1.5; 0.4-3.8) | |
All ages | Accidental | E850.4 | 87 | 82 | 75 (91.5; 83.2-96.5) | 6 (7.3; 2.7-15.2) | 1 (1.2; 0.0-6.6) |
(N=316) | Accidental | E850.7 | 1 | 1 | 1 (100.0; 2.5-100.0) | 0 (0.0) | 0 (0) |
Suicide/self-inflicted | E950.0 | 98 | 71 | 1 (1.4; 0.0-7.6) | 70 (98.6; 92.4-100.0) | 0 (0) | |
Age 0-5 | Poisoning | 965.4 | 140 | 133 | 133 (100; 97.3-100.0) | 0 (0) | 0 (0) |
(N=154) | Accidental | E850.4 | 75 | 72 | 72 (100; 95.0-100.0) | 0 (0) | 0 (0) |
Poisoning | 965.4 | 62 | 57 | 8 (14.0; 6.3-25.8) | 47 (82.5; 70.1-91.3) | 2 (3.5; 0.4-12.1) | |
Age 6-14 | Accidental | E850.3 | 3 | 2 | 1 (50.0; 1.3-98.7) | 1 (50.0; 1.3-98.7) | 0 (0) |
(N=71) | Accidental | E850.4 | 9 | 7 | 3 (42.9; 9.9-81.6) | 4 (57.1; 18.4-90.1) | 0 (0) |
Suicide/self-inflicted | E950.0 | 42 | 29 | 0 (0) | 29 (100; 88.1-100.0) | 0 (0) | |
Age 15-24 | Poisoning | 965.4 | 88 | 79 | 5 (6.3; 2.1-14.2) | 72 (91.1; 82.6-96.4) | 2 (2.5; 0.3-8.8) |
(N=91) | Accidental | E850.4 | 3 | 3 | 0 (0) | 2 (66.7; 9.4; 99.2) | 1 (33.3; 0.8-90.6) |
Suicide/self-inflicted | E950.0 | 56 | 42 | 1 (2.4; 0.1-12.6) | 41 (97.6; 87.4-99.9) | 0 (0) |