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Table 1 Description of included diagnostic F-codes and their classification according to severity

From: Mental and somatic comorbidity of depression: a comprehensive cross-sectional analysis of 202 diagnosis groups using German nationwide ambulatory claims data

Severity ICD-10 Description
Mild F32.0 Mild depressive episode
F33.0 Recurrent depressive disorder, current episode mild
F34.1 Dysthymia
Moderate F32.1 Moderate depressive episode
F33.1 Recurrent depressive disorder, current episode moderate
Severe F32.2 Severe depressive episode without psychotic symptoms
F32.3 Severe depressive episode with psychotic symptoms
F33.2 Recurrent depressive disorder, current episode severe without psychotic symptoms
F33.3 Recurrent depressive disorder, current episode severe with psychotic symptoms
Unspecified/ Other F32.8 Other depressive episodes
F32.9 Depressive episode, unspecified
F33.8 Other recurrent depressive disorders
F33.9 Recurrent depressive disorder, unspecified
F33.4 Recurrent depressive disorder, currently in remission