Table 2.
Top 15 most commonly reported ICD-9 diagnosis codes: Narodichi Children’s Cohort (NCC), Narodichesky, Ukraine, 1993–1998 (n = 5,519).
| ICD-9 code | Disease | Frequency | Percent |
|---|---|---|---|
| 240.9 | Goiter—unspecified | 2,421 | 43.87 |
| 521, 521.0 | Dental caries | 2,140 | 38.78 |
| 575.1, 575.5, 575.8 | Other cholecystitis | 1,712 | 31.02 |
| 474, 474.0, 474.1, 474.2 | Chronic disease of tonsils and adenoids | 1,173 | 21.25 |
| 780.7 | Malaise and fatigue | 1,171 | 21.22 |
| 785.6 | Enlargement of lymph nodes | 1,091 | 19.77 |
| 289.1 | Chronic lymphadenitis | 1,004 | 18.19 |
| 576.1 | Cholangitis | 1,004 | 18.19 |
| 281.9 | Other deficiency anemias—unspecified | 813 | 14.73 |
| 783.4 | Lack of expected normal physiologic development | 533 | 9.66 |
| 337.9 | Disorders of the autonomic nervous system—unspecified | 515 | 9.33 |
| 535.5 | Unspecified gastritis and gastroduodenitis | 514 | 9.31 |
| 553.1 | Umbilical hernia | 417 | 7.56 |
| 737.9 | Curvature of spine—unspecified | 402 | 7.28 |
| 460 | Acute nasopharyngitis (common cold) | 358 | 6.49 |