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Table 2 The leading ICD-9-CM diagnoses in children hospitalized with a principal diagnosis of mood disorder as a percentage of all hospitalizations with a principal diagnosis of mood disorder, 2006

From: Children's hospitalizations with a mood disorder diagnosis in general hospitals in the united states 2000-2006

Diagnosis (ICD-9-CM code)1 CCS-MHSA Sub-category Percentage of hospitalizations for mood disorders and 95% CI of estimate
Unspecified episodic mood disorder (296.90) Bipolar 11.0 (10.8-11.3)
Depressive disorder not elsewhere classified (311) Depressive 10.3 (10.1-10.5)
Manic-depressive not otherwise specified (296.80) Bipolar 8.4 (8.2-8.6)
Depressive affective disorders - unspecified (296.2) Depressive 6.6 (6.4-6.8)
Recurrent depressive disorder - severe (296.33) Depressive 5.4 (5.3-5.7)
Depressive psychosis -severe (296.23) Depressive 4.1 (4.0-4.4)
Recurrent depressive disorder - unspecified (296.30) Depressive 2.4 (2.3-2.6)
Bipolar affective disorder, most recent episode mixed - unspecified (296.60) Bipolar 2.3 (2.2-2.6)
  1. 1 The categorization of ICD-9 codes into sub-categories, Bipolar and Depressive, is shown in Appendix 1.