Source Code Name Case count Share of cases (%)
INPAT INPAT_ICD10(O640) Obstructed labour due to incomplete rotation of fetal head 3305
INPAT INPAT_ICD9(6522B) Malposition and malpresentation of foetus, Breech presentation without mention of version 2364
INPAT INPAT_ICD10(O641) Obstructed labour due to breech presentation 2235
INPAT INPAT_ICD10(O648) Obstructed labour due to other malposition and malpresentation 755
INPAT INPAT_ICD9(6522A) Malposition and malpresentation of foetus, Breech presentation without mention of version 691
INPAT INPAT_ICD9(6528B) Malposition and malpresentation of foetus, Other specified malposition or malpresentation 597
INPAT INPAT_ICD9(6524B) Malposition and malpresentation of foetus, Face or brow presentation 252
INPAT INPAT_ICD10(O643) Obstructed labour due to brow presentation 197
INPAT INPAT_ICD9(6525B) Malposition and malpresentation of foetus, High head at term 176
OUTPAT OUTPAT_ICD10(O641) Obstructed labour due to breech presentation 162
INPAT INPAT_ICD10(O649) Obstructed labour due to malposition and malpresentation, unspecified 143
OUTPAT OUTPAT_ICD10(O640) Obstructed labour due to incomplete rotation of fetal head 124
INPAT INPAT_ICD10(O642) Obstructed labour due to face presentation 118
INPAT INPAT_ICD9(6523B) Malposition and malpresentation of foetus, Transverse or oblique presentation 112
INPAT INPAT_ICD10(O644) Obstructed labour due to shoulder presentation 75
INPAT INPAT_ICD9(6526B) Malposition and malpresentation of foetus, Multiple gestation with malpresentation of one foetus or more 55
INPAT INPAT_ICD10(O645) Obstructed labour due to compound presentation 47
INPAT INPAT_ICD9(6529B) Malposition and malpresentation of foetus, Unspecified malposition or malpresentation 32
OUTPAT OUTPAT_ICD10(O648) Obstructed labour due to other malposition and malpresentation 32
INPAT INPAT_ICD9(6523A) Malposition and malpresentation of foetus, Transverse or oblique presentation 29
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O641) Obstructed labour due to breech presentation. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 25
OUTPAT OUTPAT_ICD10(O649) Obstructed labour due to malposition and malpresentation, unspecified 24
INPAT INPAT_ICD9(6524A) Malposition and malpresentation of foetus, Face or brow presentation 21
INPAT INPAT_ICD9(6528A) Malposition and malpresentation of foetus, Other specified malposition or malpresentation 19
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O640) Obstructed labour due to incomplete rotation of fetal head. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 17
INPAT INPAT_ICD9(6525A) Malposition and malpresentation of foetus, High head at term 15
INPAT INPAT_ICD9(6527B) Malposition and malpresentation of foetus, Prolapsed arm 10
INPAT INPAT_ICD9(6520B) Malposition and malpresentation of foetus, Unstable lie 8
OUTPAT OUTPAT_ICD10(O644) Obstructed labour due to shoulder presentation 8
INPAT INPAT_ICD9(6520A) Malposition and malpresentation of foetus, Unstable lie 6
INPAT INPAT_ICD9(6526A) Malposition and malpresentation of foetus, Multiple gestation with malpresentation of one foetus or more 5
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O64) Obstructed labour due to malposition and malpresentation of fetus. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 5