Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(M870) Idiopathic aseptic necrosis of bone 601
OUTPAT OUTPAT_ICD10(M879) Osteonecrosis, unspecified 467
INPAT INPAT_ICD10(M870) Idiopathic aseptic necrosis of bone 392
OUTPAT OUTPAT_ICD10(M871) Osteonecrosis due to drugs 310
INPAT INPAT_ICD10(M879) Osteonecrosis, unspecified 238
OUTPAT OUTPAT_ICD10(M873) Other secondary osteonecrosis 98
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M870) Idiopathic aseptic necrosis of bone. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 95
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M879) Osteonecrosis, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 85
OUTPAT OUTPAT_ICD10(M878) Other osteonecrosis 77
OUTPAT OUTPAT_ICD10(M872) Osteonecrosis due to previous trauma 67
INPAT INPAT_ICD10(M871) Osteonecrosis due to drugs 53
INPAT INPAT_ICD10(M873) Other secondary osteonecrosis 50
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M871) Osteonecrosis due to drugs. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 42
INPAT INPAT_ICD10(M878) Other osteonecrosis 29
INPAT INPAT_ICD10(M872) Osteonecrosis due to previous trauma 27
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M87) Osteonecrosis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 26
INPAT INPAT_ICD9(7334B) Other disorders of bone and cartilage, Aseptic necrosis of bone 19
INPAT INPAT_ICD9(7334X) Other disorders of bone and cartilage, Aseptic necrosis of bone 12
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M878) Other osteonecrosis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 12
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M873) Other secondary osteonecrosis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 10
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M872) Osteonecrosis due to previous trauma. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 9
INPAT INPAT_ICD9(7334A) Other disorders of bone and cartilage, Aseptic necrosis of bone 6
INPAT INPAT_ICD9(7334C) Other disorders of bone and cartilage, Aseptic necrosis of bone 6