Source Code Name Case count Share of cases (%)
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M255) Pain in joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 83894
OUTPAT OUTPAT_ICD10(M255) Pain in joint 41556
OUTPAT OUTPAT_ICD10(M232) Derangement of meniscus due to old tear or injury 24622
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M239) Internal derangement of knee, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 18589
OUTPAT OUTPAT_ICD10(M201) Hallux valgus (acquired) 14362
OUTPAT OUTPAT_ICD10(M239) Internal derangement of knee, unspecified 7866
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M201) Hallux valgus (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 7367
OUTPAT OUTPAT_ICD10(M204) Other hammer toe(s) (acquired) 6637
INPAT INPAT_ICD10(M232) Derangement of meniscus due to old tear or injury 6442
INPAT INPAT_ICD10(M201) Hallux valgus (acquired) 5897
OUTPAT OUTPAT_ICD10(M202) Hallux rigidus 5134
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M23) Internal derangement of knee. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 4968
OUTPAT OUTPAT_ICD10(M224) Chondromalacia patellae 4723
OUTPAT OUTPAT_ICD10(M238) Other internal derangements of knee 4586
OUTPAT OUTPAT_ICD10(M214) Flat foot [pes planus] (acquired) 3943
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M238) Other internal derangements of knee. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 3291
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M232) Derangement of meniscus due to old tear or injury. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 3113
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M214) Flat foot [pes planus] (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 3039
INPAT INPAT_ICD10(M255) Pain in joint 2712
INPAT INPAT_ICD10(M204) Other hammer toe(s) (acquired) 2519
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M204) Other hammer toe(s) (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 2479
OUTPAT OUTPAT_ICD10(M244) Recurrent dislocation and subluxation of joint 1929
OUTPAT OUTPAT_ICD10(M252) Flail joint 1878
OUTPAT OUTPAT_ICD10(M242) Disorder of ligament 1783
INPAT INPAT_ICD10(M202) Hallux rigidus 1752
OUTPAT OUTPAT_ICD10(M220) Recurrent dislocation of patella 1706
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M254) Effusion of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1698
INPAT INPAT_ICD10(M224) Chondromalacia patellae 1623
OUTPAT OUTPAT_ICD10(M233) Other meniscus derangements 1400
INPAT INPAT_ICD10(M238) Other internal derangements of knee 1329
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M224) Chondromalacia patellae. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1259
OUTPAT OUTPAT_ICD10(M250) Haemarthrosis 1230
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M233) Other meniscus derangements. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1229
INPAT INPAT_ICD10(M214) Flat foot [pes planus] (acquired) 1055
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M202) Hallux rigidus. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1029
OUTPAT OUTPAT_ICD10(M205) Other deformities of toe(s) (acquired) 979
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M259) Joint disorder, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 954
OUTPAT OUTPAT_ICD10(M235) Chronic instability of knee 855
OUTPAT OUTPAT_ICD10(M248) Other specific joint derangements, not elsewhere classified 849
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M25) Other joint disorders, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 840
OUTPAT OUTPAT_ICD10(M259) Joint disorder, unspecified 834
OUTPAT OUTPAT_ICD10(M234) Loose body in knee 803
OUTPAT OUTPAT_ICD10(M254) Effusion of joint 798
INPAT INPAT_ICD10(M220) Recurrent dislocation of patella 762
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M250) Haemarthrosis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 755
INPAT INPAT_ICD10(M244) Recurrent dislocation and subluxation of joint 709
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M242) Disorder of ligament. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 691
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M220) Recurrent dislocation of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 649
INPAT INPAT_ICD10(M252) Flail joint 636
INPAT INPAT_ICD10(M242) Disorder of ligament 632
OUTPAT OUTPAT_ICD10(M221) Recurrent subluxation of patella 599
INPAT INPAT_ICD10(M239) Internal derangement of knee, unspecified 591
OUTPAT OUTPAT_ICD10(M249) Joint derangement, unspecified 492
OUTPAT OUTPAT_ICD10(M240) Loose body in joint 482
OUTPAT OUTPAT_ICD10(M222) Patellofemoral disorders 436
OUTPAT OUTPAT_ICD10(M258) Other specified joint disorders 430
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M258) Other specified joint disorders. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 424
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M216) Other acquired deformities of ankle and foot. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 416
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M248) Other specific joint derangements, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 402
INPAT INPAT_ICD10(M233) Other meniscus derangements 385
OUTPAT OUTPAT_ICD10(M23) Internal derangement of knee 385
INPAT INPAT_ICD10(M235) Chronic instability of knee 381
INPAT INPAT_ICD10(M250) Haemarthrosis 360
OUTPAT OUTPAT_ICD10(M217) Unequal limb length (acquired) 350
INPAT INPAT_ICD10(M205) Other deformities of toe(s) (acquired) 339
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M244) Recurrent dislocation and subluxation of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 333
OUTPAT OUTPAT_ICD10(M211) Varus deformity, not elsewhere classified 332
OUTPAT OUTPAT_ICD10(M253) Other instability of joint 310
OUTPAT OUTPAT_ICD10(M245) Contracture of joint 301
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M256) Stiffness of joint, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 276
OUTPAT OUTPAT_ICD10(M230) Cystic meniscus 274
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M252) Flail joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 273
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M249) Joint derangement, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 257
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M20) Acquired deformities of fingers and toes. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 255
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M205) Other deformities of toe(s) (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 251
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M235) Chronic instability of knee. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 250
OUTPAT OUTPAT_ICD10(M216) Other acquired deformities of ankle and foot 246
OUTPAT OUTPAT_ICD10(M241) Other articular cartilage disorders 237
INPAT INPAT_ICD10(M221) Recurrent subluxation of patella 232
OUTPAT OUTPAT_ICD10(M203) Other deformity of hallux (acquired) 229
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M222) Patellofemoral disorders. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 223
INPAT INPAT_ICD10(M248) Other specific joint derangements, not elsewhere classified 216
OUTPAT OUTPAT_ICD10(M210) Valgus deformity, not elsewhere classified 208
OUTPAT OUTPAT_ICD10(M223) Other derangements of patella 207
OUTPAT OUTPAT_ICD10(M228) Other disorders of patella 204
INPAT INPAT_ICD10(M234) Loose body in knee 202
OUTPAT OUTPAT_ICD10(M257) Osteophyte 197
OUTPAT OUTPAT_ICD10(M215) Acquired clawhand, clubhand, clawfoot and clubfoot 188
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M229) Disorder of patella, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 186
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M228) Other disorders of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 179
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M253) Other instability of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 169
OUTPAT OUTPAT_ICD10(M243) Pathological dislocation and subluxation of joint, not elsewhere classified 165
OUTPAT OUTPAT_ICD10(M231) Discoid meniscus (congenital) 163
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M217) Unequal limb length (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 158
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M221) Recurrent subluxation of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 148
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M206) Acquired deformity of toe(s), unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 147
OUTPAT OUTPAT_ICD10(M229) Disorder of patella, unspecified 138
OUTPAT OUTPAT_ICD10(M251) Fistula of joint 128
OUTPAT OUTPAT_ICD10(M206) Acquired deformity of toe(s), unspecified 127
OUTPAT OUTPAT_ICD10(M256) Stiffness of joint, not elsewhere classified 127
INPAT INPAT_ICD10(M259) Joint disorder, unspecified 123
INPAT INPAT_ICD10(M254) Effusion of joint 120
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M22) Disorders of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 120
OUTPAT OUTPAT_ICD10(M25) Other joint disorders, not elsewhere classified 110
INPAT INPAT_ICD10(M240) Loose body in joint 107
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M203) Other deformity of hallux (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 106
INPAT INPAT_ICD10(M245) Contracture of joint 104
OUTPAT OUTPAT_ICD10(M2000) Buttonhole deformity of fingers 103
OUTPAT OUTPAT_ICD10(M236) Other spontaneous disruption of ligament(s) of knee 96
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M223) Other derangements of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 90
INPAT INPAT_ICD10(M258) Other specified joint disorders 86
OUTPAT OUTPAT_ICD10(M246) Ankylosis of joint 86
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M210) Valgus deformity, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 85
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M257) Osteophyte. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 79
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M21) Other acquired deformities of limbs. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 78
INPAT INPAT_ICD10(M211) Varus deformity, not elsewhere classified 77
INPAT INPAT_ICD10(M241) Other articular cartilage disorders 77
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M245) Contracture of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 76
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M234) Loose body in knee. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 75
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M240) Loose body in joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 75
INPAT INPAT_ICD10(M222) Patellofemoral disorders 74
INPAT INPAT_ICD10(M215) Acquired clawhand, clubhand, clawfoot and clubfoot 73
INPAT INPAT_ICD10(M217) Unequal limb length (acquired) 68
INPAT INPAT_ICD10(M253) Other instability of joint 67
INPAT INPAT_ICD10(M203) Other deformity of hallux (acquired) 66
OUTPAT OUTPAT_ICD10(M218) Other specified acquired deformities of limbs 66
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M236) Other spontaneous disruption of ligament(s) of knee. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 65
INPAT INPAT_ICD10(M223) Other derangements of patella 64
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M2008) Deformity of finger(s). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 64
INPAT INPAT_ICD10(M257) Osteophyte 61
INPAT INPAT_ICD10(M231) Discoid meniscus (congenital) 60
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M243) Pathological dislocation and subluxation of joint, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 58
INPAT INPAT_ICD10(M210) Valgus deformity, not elsewhere classified 57
INPAT INPAT_ICD10(M228) Other disorders of patella 55
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M215) Acquired clawhand, clubhand, clawfoot and clubfoot. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 52
INPAT INPAT_ICD10(M249) Joint derangement, unspecified 51
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M241) Other articular cartilage disorders. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 51
OUTPAT OUTPAT_ICD10(M2001) Swan neck deformity of fingers 50
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M218) Other specified acquired deformities of limbs. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 50
INPAT INPAT_ICD10(M230) Cystic meniscus 49
OUTPAT OUTPAT_ICD10(M2008) Deformity of finger(s) 46
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M211) Varus deformity, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 43
INPAT INPAT_ICD10(M243) Pathological dislocation and subluxation of joint, not elsewhere classified 42
OUTPAT OUTPAT_ICD10(M219) Acquired deformity of limb, unspecified 42
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M230) Cystic meniscus. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 42
INPAT INPAT_ICD10(M216) Other acquired deformities of ankle and foot 41
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M246) Ankylosis of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 41
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M24) Other specific joint derangements. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 39
INPAT INPAT_ICD10(M251) Fistula of joint 38
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M219) Acquired deformity of limb, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 38
OUTPAT OUTPAT_ICD10(M20) Acquired deformities of fingers and toes 37
OUTPAT OUTPAT_ICD10(M212) Flexion deformity 35
INPAT INPAT_ICD10(M206) Acquired deformity of toe(s), unspecified 32
INPAT INPAT_ICD10(M229) Disorder of patella, unspecified 27
INPAT INPAT_ICD10(M246) Ankylosis of joint 26
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M2001) Swan neck deformity of fingers. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 26
INPAT INPAT_ICD10(M218) Other specified acquired deformities of limbs 25
INPAT INPAT_ICD10(M236) Other spontaneous disruption of ligament(s) of knee 22
INPAT INPAT_ICD10(M256) Stiffness of joint, not elsewhere classified 22
INPAT INPAT_ICD10(M2000) Buttonhole deformity of fingers 18
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M2000) Buttonhole deformity of fingers. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 14
INPAT INPAT_ICD10(M219) Acquired deformity of limb, unspecified 13
OUTPAT OUTPAT_ICD10(M213) Wrist or foot drop (acquired) 13
OUTPAT OUTPAT_ICD10(M247) Protrusio acetabuli 11
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M251) Fistula of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 11
INPAT INPAT_ICD10(M2001) Swan neck deformity of fingers 9
INPAT INPAT_ICD10(M2008) Deformity of finger(s) 9
OUTPAT OUTPAT_ICD10(M22) Disorders of patella 9
OUTPAT OUTPAT_ICD10(M24) Other specific joint derangements 8
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M247) Protrusio acetabuli. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 8
INPAT INPAT_ICD10(M212) Flexion deformity 7
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M213) Wrist or foot drop (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 7
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M231) Discoid meniscus (congenital). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 7
INPAT INPAT_ICD10(M25) Other joint disorders, not elsewhere classified 5