|
Frequency of primary diagnoses if not reflux |
||||
| ICD-9 |
Description |
All Patients |
Infants born at ≥ 37 weeks gestation |
Infants born at < 37 weeks gestation |
|
|
||||
| 0–139 |
Infections and Parasitic Diseases |
25 |
20 |
4 |
| 240–279 |
Endocrine, Nutritional, and Metabolic. Immunity |
11 |
11 |
0 |
| 320–389 |
Nervous System and Sense Organs |
10 |
9 |
1 |
| 390–459 |
Circulatory System |
3 |
3 |
0 |
| 460–519 |
Respiratory System |
52 |
38 |
14 |
| 520–579 |
Digestive System |
9 |
7 |
2 |
| 580–629 |
Genitourinary System |
3 |
1 |
2 |
| 740–759 |
Congenital Anomalies |
74 |
54 |
20 |
| 760–779 |
Conditions in the Perinatal Period |
469 |
77 |
392 |
| 780–799 |
Symptoms, Signs, and Ill Defined Conditions |
90 |
73 |
17 |
| 800–999 |
Injury and Poisonings |
22 |
17 |
5 |
| E codes |
Supplementary Classification |
10 |
9 |
1 |
| V codes |
Supplementary Classification |
6 |
5 |
1 |
| Unknown or missing |
62 |
34 |
22 |
|
Baker et al. BMC Pediatrics 2008 8:11 doi:10.1186/1471-2431-8-11 |
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