Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(M870) Idiopathic aseptic necrosis of bone 896
OUTPAT OUTPAT_ICD10(M879) Osteonecrosis, unspecified 696
INPAT INPAT_ICD10(M870) Idiopathic aseptic necrosis of bone 603
OUTPAT OUTPAT_ICD10(M871) Osteonecrosis due to drugs 487
INPAT INPAT_ICD10(M879) Osteonecrosis, unspecified 345
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M870) Idiopathic aseptic necrosis of bone. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 225
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M879) Osteonecrosis, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 211
OUTPAT OUTPAT_ICD10(M873) Other secondary osteonecrosis 159
OUTPAT OUTPAT_ICD10(M878) Other osteonecrosis 111
INPAT INPAT_ICD10(M871) Osteonecrosis due to drugs 110
OUTPAT OUTPAT_ICD10(M872) Osteonecrosis due to previous trauma 98
INPAT INPAT_ICD10(M873) Other secondary osteonecrosis 94
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M871) Osteonecrosis due to drugs. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 76
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M87) Osteonecrosis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 46
INPAT INPAT_ICD10(M872) Osteonecrosis due to previous trauma 42
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! 29
INPAT INPAT_ICD9(7334B) Other disorders of bone and cartilage, Aseptic necrosis of bone 23
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M878) Other osteonecrosis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 23
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M872) Osteonecrosis due to previous trauma. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 20
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
INPAT INPAT_ICD9(7334C) Other disorders of bone and cartilage, Aseptic necrosis of bone 6
OUTPAT OUTPAT_ICD10(M87) Osteonecrosis 5