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! 45796
OUTPAT OUTPAT_ICD10(M255) Pain in joint 30330
OUTPAT OUTPAT_ICD10(M232) Derangement of meniscus due to old tear or injury 19974
OUTPAT OUTPAT_ICD10(M201) Hallux valgus (acquired) 11145
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M239) Internal derangement of knee, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 11023
OUTPAT OUTPAT_ICD10(M239) Internal derangement of knee, unspecified 6003
INPAT INPAT_ICD10(M232) Derangement of meniscus due to old tear or injury 5400
OUTPAT OUTPAT_ICD10(M204) Other hammer toe(s) (acquired) 5084
INPAT INPAT_ICD10(M201) Hallux valgus (acquired) 4827
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M201) Hallux valgus (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 4135
OUTPAT OUTPAT_ICD10(M202) Hallux rigidus 4007
OUTPAT OUTPAT_ICD10(M224) Chondromalacia patellae 3868
OUTPAT OUTPAT_ICD10(M238) Other internal derangements of knee 3678
OUTPAT OUTPAT_ICD10(M214) Flat foot [pes planus] (acquired) 2817
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M23) Internal derangement of knee. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 2634
INPAT INPAT_ICD10(M255) Pain in joint 2105
INPAT INPAT_ICD10(M204) Other hammer toe(s) (acquired) 2046
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M238) Other internal derangements of knee. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1718
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M214) Flat foot [pes planus] (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1654
OUTPAT OUTPAT_ICD10(M244) Recurrent dislocation and subluxation of joint 1529
INPAT INPAT_ICD10(M202) Hallux rigidus 1466
OUTPAT OUTPAT_ICD10(M252) Flail joint 1464
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M204) Other hammer toe(s) (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1460
OUTPAT OUTPAT_ICD10(M242) Disorder of ligament 1448
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! 1422
INPAT INPAT_ICD10(M224) Chondromalacia patellae 1354
OUTPAT OUTPAT_ICD10(M220) Recurrent dislocation of patella 1300
INPAT INPAT_ICD10(M238) Other internal derangements of knee 1123
OUTPAT OUTPAT_ICD10(M233) Other meniscus derangements 1113
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M254) Effusion of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1024
OUTPAT OUTPAT_ICD10(M250) Haemarthrosis 889
INPAT INPAT_ICD10(M214) Flat foot [pes planus] (acquired) 735
OUTPAT OUTPAT_ICD10(M205) Other deformities of toe(s) (acquired) 730
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M224) Chondromalacia patellae. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 702
OUTPAT OUTPAT_ICD10(M259) Joint disorder, unspecified 684
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M233) Other meniscus derangements. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 679
OUTPAT OUTPAT_ICD10(M235) Chronic instability of knee 671
OUTPAT OUTPAT_ICD10(M248) Other specific joint derangements, not elsewhere classified 631
OUTPAT OUTPAT_ICD10(M234) Loose body in knee 624
INPAT INPAT_ICD10(M220) Recurrent dislocation of patella 622
OUTPAT OUTPAT_ICD10(M254) Effusion of joint 603
INPAT INPAT_ICD10(M244) Recurrent dislocation and subluxation of joint 592
INPAT INPAT_ICD10(M242) Disorder of ligament 530
INPAT INPAT_ICD10(M252) Flail joint 529
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M25) Other joint disorders, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 515
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M250) Haemarthrosis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 500
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M259) Joint disorder, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 494
OUTPAT OUTPAT_ICD10(M221) Recurrent subluxation of patella 482
INPAT INPAT_ICD10(M239) Internal derangement of knee, unspecified 472
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M202) Hallux rigidus. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 463
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M242) Disorder of ligament. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 449
OUTPAT OUTPAT_ICD10(M249) Joint derangement, unspecified 395
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M220) Recurrent dislocation of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 381
OUTPAT OUTPAT_ICD10(M240) Loose body in joint 355
INPAT INPAT_ICD10(M233) Other meniscus derangements 342
OUTPAT OUTPAT_ICD10(M222) Patellofemoral disorders 322
INPAT INPAT_ICD10(M235) Chronic instability of knee 319
OUTPAT OUTPAT_ICD10(M258) Other specified joint disorders 309
INPAT INPAT_ICD10(M250) Haemarthrosis 271
INPAT INPAT_ICD10(M205) Other deformities of toe(s) (acquired) 264
OUTPAT OUTPAT_ICD10(M217) Unequal limb length (acquired) 256
OUTPAT OUTPAT_ICD10(M211) Varus deformity, not elsewhere classified 254
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! 237
OUTPAT OUTPAT_ICD10(M253) Other instability of joint 223
OUTPAT OUTPAT_ICD10(M230) Cystic meniscus 221
OUTPAT OUTPAT_ICD10(M245) Contracture of joint 212
INPAT INPAT_ICD10(M221) Recurrent subluxation of patella 200
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M258) Other specified joint disorders. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 200
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M20) Acquired deformities of fingers and toes. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 192
OUTPAT OUTPAT_ICD10(M23) Internal derangement of knee 190
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! 188
OUTPAT OUTPAT_ICD10(M241) Other articular cartilage disorders 187
OUTPAT OUTPAT_ICD10(M203) Other deformity of hallux (acquired) 183
INPAT INPAT_ICD10(M248) Other specific joint derangements, not elsewhere classified 177
OUTPAT OUTPAT_ICD10(M216) Other acquired deformities of ankle and foot 175
INPAT INPAT_ICD10(M234) Loose body in knee 169
OUTPAT OUTPAT_ICD10(M257) Osteophyte 161
OUTPAT OUTPAT_ICD10(M223) Other derangements of patella 160
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M235) Chronic instability of knee. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 157
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M244) Recurrent dislocation and subluxation of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 157
OUTPAT OUTPAT_ICD10(M210) Valgus deformity, not elsewhere classified 156
OUTPAT OUTPAT_ICD10(M228) Other disorders of patella 146
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M249) Joint derangement, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 143
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M256) Stiffness of joint, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 140
OUTPAT OUTPAT_ICD10(M215) Acquired clawhand, clubhand, clawfoot and clubfoot 139
OUTPAT OUTPAT_ICD10(M231) Discoid meniscus (congenital) 134
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M252) Flail joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 129
OUTPAT OUTPAT_ICD10(M243) Pathological dislocation and subluxation of joint, not elsewhere classified 128
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M205) Other deformities of toe(s) (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 116
OUTPAT OUTPAT_ICD10(M251) Fistula of joint 110
OUTPAT OUTPAT_ICD10(M229) Disorder of patella, unspecified 109
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M228) Other disorders of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 106
OUTPAT OUTPAT_ICD10(M206) Acquired deformity of toe(s), unspecified 105
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M229) Disorder of patella, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 104
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M217) Unequal limb length (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 99
INPAT INPAT_ICD10(M259) Joint disorder, unspecified 96
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M253) Other instability of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 94
INPAT INPAT_ICD10(M254) Effusion of joint 92
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M221) Recurrent subluxation of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 88
INPAT INPAT_ICD10(M240) Loose body in joint 87
OUTPAT OUTPAT_ICD10(M2000) Buttonhole deformity of fingers 85
INPAT INPAT_ICD10(M245) Contracture of joint 83
OUTPAT OUTPAT_ICD10(M256) Stiffness of joint, not elsewhere classified 81
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M206) Acquired deformity of toe(s), unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 74
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M222) Patellofemoral disorders. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 74
OUTPAT OUTPAT_ICD10(M236) Other spontaneous disruption of ligament(s) of knee 73
INPAT INPAT_ICD10(M258) Other specified joint disorders 71
OUTPAT OUTPAT_ICD10(M246) Ankylosis of joint 68
OUTPAT OUTPAT_ICD10(M25) Other joint disorders, not elsewhere classified 68
INPAT INPAT_ICD10(M241) Other articular cartilage disorders 66
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M22) Disorders of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 64
INPAT INPAT_ICD10(M215) Acquired clawhand, clubhand, clawfoot and clubfoot 62
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M203) Other deformity of hallux (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 60
INPAT INPAT_ICD10(M222) Patellofemoral disorders 57
INPAT INPAT_ICD10(M211) Varus deformity, not elsewhere classified 56
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M210) Valgus deformity, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 55
INPAT INPAT_ICD10(M203) Other deformity of hallux (acquired) 54
INPAT INPAT_ICD10(M223) Other derangements of patella 54
INPAT INPAT_ICD10(M257) Osteophyte 54
INPAT INPAT_ICD10(M217) Unequal limb length (acquired) 53
INPAT INPAT_ICD10(M231) Discoid meniscus (congenital) 52
INPAT INPAT_ICD10(M253) Other instability of joint 52
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M21) Other acquired deformities of limbs. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 52
OUTPAT OUTPAT_ICD10(M218) Other specified acquired deformities of limbs 49
INPAT INPAT_ICD10(M228) Other disorders of patella 48
INPAT INPAT_ICD10(M210) Valgus deformity, not elsewhere classified 46
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M223) Other derangements of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 46
INPAT INPAT_ICD10(M230) Cystic meniscus 42
INPAT INPAT_ICD10(M249) Joint derangement, unspecified 40
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M2008) Deformity of finger(s). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 40
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M245) Contracture of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 39
OUTPAT OUTPAT_ICD10(M2008) Deformity of finger(s) 38
OUTPAT OUTPAT_ICD10(M2001) Swan neck deformity of fingers 37
OUTPAT OUTPAT_ICD10(M219) Acquired deformity of limb, unspecified 35
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M257) Osteophyte. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 33
INPAT INPAT_ICD10(M243) Pathological dislocation and subluxation of joint, not elsewhere classified 32
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! 32
INPAT INPAT_ICD10(M251) Fistula of joint 31
OUTPAT OUTPAT_ICD10(M212) Flexion deformity 31
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M234) Loose body in knee. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 31
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M240) Loose body in joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 31
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! 31
INPAT INPAT_ICD10(M216) Other acquired deformities of ankle and foot 30
INPAT INPAT_ICD10(M206) Acquired deformity of toe(s), unspecified 28
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M218) Other specified acquired deformities of limbs. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 27
OUTPAT OUTPAT_ICD10(M20) Acquired deformities of fingers and toes 26
INPAT INPAT_ICD10(M229) Disorder of patella, unspecified 25
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M215) Acquired clawhand, clubhand, clawfoot and clubfoot. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 24
INPAT INPAT_ICD10(M218) Other specified acquired deformities of limbs 23
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M24) Other specific joint derangements. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 23
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M241) Other articular cartilage disorders. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 23
INPAT INPAT_ICD10(M246) Ankylosis of joint 20
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M211) Varus deformity, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 19
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M219) Acquired deformity of limb, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 19
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M246) Ankylosis of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 18
INPAT INPAT_ICD10(M2000) Buttonhole deformity of fingers 17
INPAT INPAT_ICD10(M236) Other spontaneous disruption of ligament(s) of knee 17
INPAT INPAT_ICD10(M256) Stiffness of joint, not elsewhere classified 15
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M230) Cystic meniscus. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 14
INPAT INPAT_ICD10(M219) Acquired deformity of limb, unspecified 11
OUTPAT OUTPAT_ICD10(M213) Wrist or foot drop (acquired) 10
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M2000) Buttonhole deformity of fingers. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 10
INPAT INPAT_ICD10(M2001) Swan neck deformity of fingers 9
INPAT INPAT_ICD10(M2008) Deformity of finger(s) 8
OUTPAT OUTPAT_ICD10(M247) Protrusio acetabuli 8
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M2001) Swan neck deformity of fingers. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 8
OUTPAT OUTPAT_ICD10(M22) Disorders of patella 7
INPAT INPAT_ICD10(M212) Flexion deformity 6
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M247) Protrusio acetabuli. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 6
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M251) Fistula of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 6
OUTPAT OUTPAT_ICD10(M24) Other specific joint derangements 5
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M231) Discoid meniscus (congenital). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 5