Table 6.1 lists the most frequent ICD-9 codes (including the primary ICD-9 codes) for the same population for the thirty-two major ICD-9 categories. Note that there is one extra category in the non-primary code categories (see table 6.1) ``Supplementary classification of external causes of injury and poisoning'' (code range E800 to E999). These ICD-9 codes are not used for primary classification.
Category | Code Range | Number of | %
|
---|---|---|---|
Metabolic disorder | 240-279 | 23927 | 11.32% |
Pulmonary disease | 460-519 | 18694 | 8.84% |
Other forms of heart disease | 420-429 | 13203 | 6.25% |
Digestive disease | 520-579 | 13181 | 6.23% |
Supplementary classification of factors influencing health status and contact with health services | V01-V86 | 12801 | 6.05% |
Ischemic heart disease | 410 - 414 | 12794 | 6.05% |
Renal insufficiency | 580-629 | 11262 | 5.33% |
Hypertensive disease | 401-405 | 10970 | 5.19% |
Symptoms, signs, and ill-defined conditions | 780-799 | 8777 | 4.15% |
Diseases of the blood and blood-forming organs | 280-289 | 8744 | 4.14% |
Trauma | 800-959 | 7975 | 3.77% |
Heart failure | 428 | 7470 | 3.53% |
Infectious diseases | 001-139 | 7388 | 3.49% |
Mental disorders | 290-319 | 7337 | 3.47% |
Supplementary classification of external causes of injury and poisoning | E800-E999 | 6632 | 3.14% |
Arteries and veins | 440-459 | 5828 | 2.76% |
Neoplasms | 140-239 | 5403 | 2.56% |
Neurologic disease | 320-389 | 5140 | 2.43% |
Diseases of the musculoskeletal system & connective tissue | 710-739 | 3632 | 1.72% |
Other complications of procedures, NEC | 998 | 2936 | 1.39% |
Cerebrovascular disease | 430-438 | 2849 | 1.35% |
Diseases of the skin and subcutaneous tissue | 680-709 | 2799 | 1.32% |
Complications affecting specified body systems, not elsewhere classified | 997 | 2551 | 1.21% |
Complications peculiar to certain specified procedures | 996 | 2403 | 1.14% |
Other and unspecified effects of external causes | 990-995 | 1941 | 0.92% |
Chronic rheumatic heart disease | 393-398 | 1438 | 0.68% |
Diseases of pulmonary circulation | 415-417 | 1233 | 0.58% |
Congenital anomalies | 740-759 | 673 | 0.32% |
Complications of pregnancy, childbirth, and the puerperium | 630-677 | 627 | 0.30% |
Poisoning | 960-989 | 590 | 0.28% |
Complications of medical care, not elsewhere classified | 999 | 213 | 0.10% |
Acute Rheumatic fever | 390-392 | 5 | 0.00% |
Total | 211416 | 100.00% | |