Table 1

Main diagnosis codes contributing to the CM difference

ICD10 codesICD10 block description% of CM difference
J40-J47Chronic lower respiratory diseases15.59%
R00-R09Symptoms and signs involving the circulatory and respiratory systems14.48%
T36-T50Poisoning by drugs, medicaments and biological substances13.63%
O20-O29Other maternal disorders predominantly related to pregnancy10.43%
R10-R19Symptoms and signs involving the digestive system and abdomen7.99%
R50-R69General symptoms and signs7.84%
S00-S09Injuries to the head7.42%
F10-F19Mental and behavioural disorders due to psychoactive substance use7.03%
O00-O08Pregnancy with abortive outcome6.22%
L00-L08Infections of the skin and subcutaneous tissue4.40%
J09-J18Influenza and pneumonia3.81%
F20-F29Schizophrenia, schizotypal and delusional disorders3.27%
S60-S69Injuries to the wrist and hand2.46%
J20-J22Other acute lower respiratory infections2.33%
E10-E14Diabetes mellitus2.24%
F30-F39Mood (affective) disorders1.63%
R40-R46Symptoms and signs involving cognition, perception, emotional state and behaviour1.62%
  • CM, case mix; ICD10, International Classification of Diseases 10th revision.