Source Code Name Case count Share of cases (%)
INPAT INPAT_ICD9(6611B) Secondary uterine inertia 1265
INPAT INPAT_ICD10(O621) Secondary uterine inertia 887
INPAT INPAT_ICD9(6610B) Primary uterine inertia 637
INPAT INPAT_ICD10(O620) Primary inadequate contractions 585
INPAT INPAT_ICD10(O622) Other uterine inertia 347
INPAT INPAT_ICD10(O623) Precipitate labour 185
INPAT INPAT_ICD9(6612B) Other and unspecified uterine inertia 77
INPAT INPAT_ICD10(O629) Abnormality of forces of labour, unspecified 49
INPAT INPAT_ICD9(6619X) Unspecified abnormality of labor 49
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O624) Hypertonic, incoordinate, and prolonged uterine contractions. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 48
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O62) Abnormalities of forces of labour. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 45
OUTPAT OUTPAT_ICD10(O621) Secondary uterine inertia 38
INPAT INPAT_ICD10(O624) Hypertonic, incoordinate, and prolonged uterine contractions 33
INPAT INPAT_ICD9(6613B) Precipitate labor 32
OUTPAT OUTPAT_ICD10(O620) Primary inadequate contractions 23
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O629) Abnormality of forces of labour, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 22
INPAT INPAT_ICD10(O628) Other abnormalities of forces of labour 20
OUTPAT OUTPAT_ICD10(O623) Precipitate labour 19
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O622) Other uterine inertia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 15
OUTPAT OUTPAT_ICD10(O624) Hypertonic, incoordinate, and prolonged uterine contractions 14
OUTPAT OUTPAT_ICD10(O622) Other uterine inertia 11
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O628) Other abnormalities of forces of labour. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 8
INPAT INPAT_ICD9(6614B) Hypertonic, incoordinate, or prolonged uterine contractions 5