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Most Frequent ICD-9 Codes
| Code | Denomination | No. of Cases | |
|---|---|---|---|
| General surgery | 585 | Chronic renal failure | 460 |
| 174.9 | Malignant neoplasm of breast (female), unspecified | 445 | |
| Neurosurgery | 722.1 | Displacement of thoracic or lumbar intervertebral disc without myelopathy | 1,220 |
| 331.4 | Obstructive hydrocephalus | 699 | |
| Trauma surgery | 486 | Pneumonia, organism unspecified | 471 |
| 959.9 | Other and unspecified injury to unspecified site | 464 |
