Increase in sickness absence with psychiatric diagnosis in Norway: a general population-based epidemiologic study of age, gender and regional distribution

Table 1 Sickness absence diagnoses according to the International Classification of Primary Care (ICPC), Norway

Diagnostic group	Diagnosis code (ICPC-1)^a 1994 and 1996	Diagnosis code (ICPC-2)^a 1998 and 2000	Corresponding codes in ICD-10
Psychoses	P72, P73, P98	P72, P73, P98	F20–F31, F35–F39
Anxiety	P01, P74	P01, P74	F40–F43
Neurotic conditions	P02, P04, P06–P10, P20, P25, P27–P29, P75, P78, P79, P99	P02, P04, P06–P10, P20, P25, P27–P29, P75, P78, P79, P82, P99	F44–48, F99
Depression	P03, P76, P77	P03, P76, P77	F32–F34
Personality disorders	P80	P80	F60–F69
Alcohol/drug abuse	P15- P19	P15- P19	F10–F19
Excluded*	P05, P11–P13, P21 -P24, P70, P71, P85	P05, P11–P13, P21–P24, P70, P71, P81, P85	F00–F09, F70–F98

* Diagnostic groups excluded were dementia, organic psychoses, mental retardation and child and adolescent psychiatry.

ISSN: 1741-7015