Table 2 Included International Classification of Disease (ICD) codes and roadmap of ICD-10-CA to ICD-9-CM

F31.31

Bipolar affective disorder, current episode mild or moderate depression

<=>

296.51

Bipolar I disorder, most recent episode (or current) mild depression

F31.32

Bipolar affective disorder, current episode mild or moderate depression

<=>

296.52

Bipolar I disorder, most recent episode (or current) moderate depression

F31.4

Bipolar affective disorder, current episode severe depression without psychotic symptoms

<=>

296.53

Bipolar I disorder, most recent episode (or current) severe without mention of psychotic behavior

F31.5

Bipolar affective disorder, current episode severe depression with psychotic symptoms

<=>

296.54

Bipolar I disorder, most recent episode (or current) severe specified as with psychotic behavior

F31.6x

Bipolar affective disorder, current episode mixed

<=>

296.6x

Bipolar I disorder, most recent episode (or current) mixed

F31.9

Bipolar affective disorder, current episode unspecified

F32.0

Mild depressive episode

<=>

296.21

Major depressive disorder, single episode- mild

F32.1

Moderate depressive episode

<=>

296.22

Major depressive disorder, single episode- moderate

F32.2

Severe depressive episode without psychotic symptoms

<=>

296.23

Major depressive disorder, single episode- severe, without mention of psychotic behavior

F32.3

Severe depressive episode with psychotic symptoms

<=>

296.24

Major depressive disorder, single episode- severe, specified as with psychotic behavior

F32.4

Depressive disorder, single episode, in partial remission

<=>

296.25

Major depressive disorder, single episode- in partial or unspecified remission

F32.5

Depressive disorder, single episode, in full remission

<=>

296.26

Major depressive disorder, single episode- in full remission

F32.8

Other depressive episodes

<=>

296.82

Atypical depressive disorder

F32.9

Depressive episode, unspecified

<=>

296.20

Major depressive disorder, single episode- unspecified

F32.9

Depressive episode, unspecified

<=>

311

Depressive disorder, not elsewhere classified

F33.0

Recurrent depressive disorder, current episode mild

<=>

296.31

Major depressive disorder, recurrent episode- mild

F33.1

Recurrent depressive disorder, current episode moderate

<=>

296.32

Major depressive disorder, recurrent episode- moderate

F33.2

Recurrent depressive disorder, current episode severe without psychotic symptoms

<=>

296.33

Major depressive disorder, recurrent episode- severe, without mention of psychotic behavior

F33.3

Recurrent depressive disorder, current episode severe with psychotic symptoms

<=>

296.34

Major depressive disorder, recurrent episode- severe, specified as with psychotic behavior

F33.41

Recurrent depressive disorder, currently in remission

<=>

296.35

Major depressive disorder, recurrent episode- in partial or unspecified remission

F33.42

Recurrent depressive disorder, currently in remission

<=>

296.36

Major depressive disorder, recurrent episode- in full remission

F33.8

Recurrent depressive disorder, other

F33.9

Recurrent depressive disorder, unspecified

<=>

296.30

Major depressive disorder, recurrent episode- unspecified

F34.1

Dysthymia

<=>

300.4

Dysthymic disorder

F34.8

Other persistent mood disorders

<=>

F34.9

Persistent mood disorder, unspecified

<=>

F38.0

Other single mood disorders

<=>

F38.1

Other recurrent mood disorders

<=>

F38.8

Other specified mood disorders

<=>

296.99

Other specified episodic mood disorder

F39

Unspecified mood disorder

<=>

296.90

Unspecified episodic mood disorder

F41.2

Mixed anxiety and depressive disorder

<=>

F43.2

Adjustment Disorders

<=>

309.0

Adjustment disorder with depressed mood

F43.2

Adjustment Disorders

<=>

309.28

Adjustment disorder with mixed anxiety and depressed mood

F99

Mental disorder, not elsewhere specified

296.82

Atypical depressive disorder

298

Other non-organic depressive psychoses

309.1

Prolonged depressive reaction