Table 3.
Distribution of ICD codes of patients who presented to the ED
| Non-emergent | Emergent | |
|---|---|---|
| ICD code | n (%) | n (%) |
| R52. Pain, unspecified | 3356 (33.4) | 24,062 (30.4) |
| J39.9. Disease of upper respiratory tract, unspecified | 1865 (18.7) | 7409 (9.3) |
| M79. Other and unspecified soft tissue disorders, not elsewhere classified | 281 (2.8) | 1602 (2.0) |
| R10.9. Unspecified abdominal pain | 254 (2.5) | 2130 (2.7) |
| R07.0. Pain in throat | 234 (2.3) | 1149 (1.5) |
| R05. Cough | 217 (2.2) | 1900 (1.4) |
| R51. Headache | 208 (2.1) | 3860 (4.9) |
| R11. Nausea and vomiting | 175 (1.7) | 1998 (5.1) |
| H10. Conjunctivitis | 133 (1.3) | 268 (0.3) |
| M54.5. Low back pain | 112 (1.1) | 1362 (1.7) |
| Other | 3202 (31.9) | 33,163 (42.0) |