Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(M870) Idiopathic aseptic necrosis of bone 967
OUTPAT OUTPAT_ICD10(M879) Osteonecrosis, unspecified 746
INPAT INPAT_ICD10(M870) Idiopathic aseptic necrosis of bone 642
OUTPAT OUTPAT_ICD10(M871) Osteonecrosis due to drugs 539
INPAT INPAT_ICD10(M879) Osteonecrosis, unspecified 377
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M870) Idiopathic aseptic necrosis of bone. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 251
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M879) Osteonecrosis, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 245
OUTPAT OUTPAT_ICD10(M873) Other secondary osteonecrosis 169
INPAT INPAT_ICD10(M871) Osteonecrosis due to drugs 137
OUTPAT OUTPAT_ICD10(M878) Other osteonecrosis 125
OUTPAT OUTPAT_ICD10(M872) Osteonecrosis due to previous trauma 101
INPAT INPAT_ICD10(M873) Other secondary osteonecrosis 100
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M871) Osteonecrosis due to drugs. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 97
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M87) Osteonecrosis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 48
INPAT INPAT_ICD10(M872) Osteonecrosis due to previous trauma 46
INPAT INPAT_ICD10(M878) Other osteonecrosis 40
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M873) Other secondary osteonecrosis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 32
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M878) Other osteonecrosis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 29
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M872) Osteonecrosis due to previous trauma. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 24
INPAT INPAT_ICD9(7334B) Other disorders of bone and cartilage, Aseptic necrosis of bone 23
INPAT INPAT_ICD9(7334X) Other disorders of bone and cartilage, Aseptic necrosis of bone 15
INPAT INPAT_ICD9(7334A) Other disorders of bone and cartilage, Aseptic necrosis of bone 9
OUTPAT OUTPAT_ICD10(M87) Osteonecrosis 7
INPAT INPAT_ICD9(7334C) Other disorders of bone and cartilage, Aseptic necrosis of bone 6