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Table 2 Classification of principal diagnoses for mental illness

From: Data preparation techniques for a perinatal psychiatric study based on linked data

Category

ICD-10-AM

Diagnosis

SPSS syntax

Prin1: Schizophrenia and schizophrenia-like disorder

F20

Schizophrenia

COMPUTE Prin1 = 0.if ( icd10d1 GE 'F20' AND icd10d1 LE 'F22.9' ) Prin1 = 1.if ( icd10d1 GE 'F24' AND icd10d1 LE 'F29' ) Prin1 = 1.EXECUTE.VARIABLE LABELS Prin1' principal diagnoses of Schizophrenia and schizophrenia-like disorder F20-22, F24-29'.

 

F21

Schizotypal disorder

 
 

F22

Persistent delusional disorders

 
 

F24

Induced delusional disorder

 
 

F25

Schizoaffective disorders

 
 

F28

Other nonorganic psychotic disorders

 
 

F29

Unspecified nonorganic psychosis

 

Prin2: Unipolar depressions

F32

Depressive episode except F32.3 see below (psychotic).

COMPUTE Prin2 = 0.if ( icd10d1 GE 'F32' AND icd10d1 LE 'F32.21' ) Prin2 = 1.if ( icd10d1 GE 'F32.8' AND icd10d1 LE 'F32.91' ) Prin2 = 1.if ( icd10d1 EQ 'F53.0' ) Prin2 = 1.if ( icd10d1 EQ 'F34.1' ) Prin2 = 1.if ( icd10d1 EQ 'F38.1' ) Prin2 = 1.if ( icd10d1 EQ 'F38.8' ) Prin2 = 1.EXECUTE.VARIABLE LABELS Prin2 ' principal diagnoses of unipolar depressions F32 (exclude 32.3), F53.0, F34.1, F38 (exclude 38.0)'.

 

F53.0

Mild disorders associated with the puerperium, not elsewhere classified

 
 

F34.1

Persistent mood [affective] disorders: Dysthymia

 
 

F38

Other mood [affective] disorders except F38.0 see below (bipolar affective episode)

 

Prin3: Acute Psychotic episodes : reactive, brief, affective

F23

Acute and transient psychotic disorders

COMPUTE Prin3 = 0.if ( icd10d1 GE 'F23' AND icd10d1 LE 'F23.91' ) Prin3 = 1.if ( icd10d1 GE 'F32.3' AND icd10d1 LE 'F32.31' ) Prin3 = 1.if ( icd10d1 EQ 'F30.2' ) Prin3 = 1.if ( icd10d1 EQ 'F33.3' ) Prin3 = 1.if ( icd10d1 EQ 'F39' ) Prin3 = 1.if ( icd10d1 EQ 'F53.1' ) Prin3 = 1.EXECUTE.VARIABLE LABELS Prin3' principal diagnoses of acute psychotic episodes: reactive, brief, affective F23, 30.2,32.3, 33.3, 39, 53.1'.

 

F30.2

Mania with psychotic features

 
 

F32.3

Severe depressive episode with psychotic symptoms

 
 

F33.3

Recurrent depressive disorder, current severe with psychotic symptoms

 
 

F39

Unspecified mood [affective] disorder

 
 

F53.1

Severe MH disorders associated with the puerperium, not elsewhere classified

 

Prin4: Bipolar affective disorders

F30.0

Hypomania

COMPUTE Prin4 = 0.if ( icd10d1 GE 'F30.8' AND icd10d1 LE 'F30.9' )Prin4 = 1.if ( icd10d1 GE 'F31' AND icd10d1 LE 'F31.6' ) Prin4 = 1.if ( icd10d1 GE 'F31.8' AND icd10d1 LE 'F31.9' ) Prin4 = 1.if ( icd10d1 EQ 'F30.0' ) Prin4 = 1.if ( icd10d1 EQ 'F34.0' ) Prin4 = 1.if ( icd10d1 EQ 'F38.0' ) Prin4 = 1.EXECUTE.VARIABLE LABELS Prin4' principal diagnoses of bipolar affective disorders F30 (exclude 30.2), 31(exclude 31.7),34.0,38.0 '.

 

F30.8

Other manic episodes

 
 

F30.9

Manic episode, unspecified

 
 

F31

Bipolar affective disorder F31.0-31.9 excluding F31.7 (remission).

 
 

F34.0

Persistent mood [affective] disorders: Cyclothymia

 
 

F38.0

Other single mood [affective] disorders

 

Prin5: Adjustment disorders

F43

Reaction to severe stress and adjustment disorders

COMPUTE Prin5 = 0.if ( icd10d1 GE 'F43' AND icd10d1 LE 'F43.9' ) Prin5 = 1.EXECUTE.VARIABLE LABELS Prin5' principal diagnoses of adjustment disorders F43 '.

Prin6: Anxiety disorders

F40

Phobic anxiety disorders

COMPUTE Prin6 = 0.if ( icd10d1 GE 'F40' AND icd10d1 LE 'F42.9' ) Prin6 = 1.EXECUTE.VARIABLE LABELS Prin6' principal diagnosis of anxiety disorders F40-42'.

 

F41

Other anxiety disorders

 
 

F42

Obsessive-compulsive disorder

 

Prin7: Personality disorders

F60-69

Personality disorders

COMPUTE Prin7 = 0.if ( icd10d1 GE 'F60' AND icd10d1 LE 'F69' ) Prin7 = 1.EXECUTE.VARIABLE LABELS Prin7' principal diagnoses of personality disorders F60-69'.

Prin8: Mental illness due to substance use

F10-F19

Mental illness due to substance use

COMPUTE Prin8 = 0.if ( icd10d1 GE 'F10' AND icd10d1 LE 'F19.8' ) Prin8 = 1.EXECUTE.VARIABLE LABELS Prin8 ' principal diagnoses of mental illness due to substance use F10-19. '.

Prin9: Remaining diagnoses

F00-99 Exclude the diagnoses above

Remaining diagnoses

COMPUTE Prin9 = 0.if ( icd10d1 GE 'F00' AND icd10d1 LE 'F09' ) Prin9 = 1.if ( icd10d1 EQ 'F30.1' ) Prin9 = 1.if ( icd10d1 EQ 'F31.7' ) Prin9 = 1.if ( icd10d1 GE 'F33.1' AND icd10d1 LE 'F33.2' ) Prin9 = 1.if ( icd10d1 GE 'F33.8' AND icd10d1 LE 'F33.9' ) Prin9 = 1.if ( icd10d1 EQ 'F34.9' ) Prin9 = 1.if ( icd10d1 GE 'F44.5' AND icd10d1 LE 'F52.9' ) Prin9 = 1.if ( icd10d1 GE 'F53.8' AND icd10d1 LE 'F59' ) Prin9 = 1.if ( icd10d1 GE 'F70.1' AND icd10d1 LE 'F99' ) Prin9 = 1.EXECUTE.VARIABLE LABELS Prin9 ' remaining principal diagnoses F00-99 exclude diagnosis above'.

Prin10: Overall diagnoses of mental illness

F00-99

Overall diagnoses of mental illness

COMPUTE Prin10 = 0.if ( icd10d1 GE 'F00' AND icd10d1 LE 'F99' ) Prin10 = 1EXECUTE.VARIABLE LABELS Prin10 ' principal diagnoses of mental illness F00-99.’.

 

Prin1-10

Value labels

VALUE LABELS Prin1 Prin2 Prin3 Prin4 Prin5 Prin6 Prin7 Prin8 Prin9 Prin10 0'no' 1'yes'.