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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