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! 58286
OUTPAT OUTPAT_ICD10(M255) Pain in joint 34758
OUTPAT OUTPAT_ICD10(M232) Derangement of meniscus due to old tear or injury 22056
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M239) Internal derangement of knee, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 13640
OUTPAT OUTPAT_ICD10(M201) Hallux valgus (acquired) 12355
OUTPAT OUTPAT_ICD10(M239) Internal derangement of knee, unspecified 6814
INPAT INPAT_ICD10(M232) Derangement of meniscus due to old tear or injury 5844
OUTPAT OUTPAT_ICD10(M204) Other hammer toe(s) (acquired) 5597
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M201) Hallux valgus (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 5228
INPAT INPAT_ICD10(M201) Hallux valgus (acquired) 5227
OUTPAT OUTPAT_ICD10(M202) Hallux rigidus 4443
OUTPAT OUTPAT_ICD10(M224) Chondromalacia patellae 4319
OUTPAT OUTPAT_ICD10(M238) Other internal derangements of knee 4134
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M23) Internal derangement of knee. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 3427
OUTPAT OUTPAT_ICD10(M214) Flat foot [pes planus] (acquired) 3224
INPAT INPAT_ICD10(M255) Pain in joint 2327
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M238) Other internal derangements of knee. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 2261
INPAT INPAT_ICD10(M204) Other hammer toe(s) (acquired) 2208
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M214) Flat foot [pes planus] (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 2108
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! 1943
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M204) Other hammer toe(s) (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1770
OUTPAT OUTPAT_ICD10(M244) Recurrent dislocation and subluxation of joint 1712
OUTPAT OUTPAT_ICD10(M252) Flail joint 1656
OUTPAT OUTPAT_ICD10(M242) Disorder of ligament 1606
INPAT INPAT_ICD10(M202) Hallux rigidus 1571
INPAT INPAT_ICD10(M224) Chondromalacia patellae 1478
OUTPAT OUTPAT_ICD10(M220) Recurrent dislocation of patella 1459
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M254) Effusion of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1248
OUTPAT OUTPAT_ICD10(M233) Other meniscus derangements 1221
INPAT INPAT_ICD10(M238) Other internal derangements of knee 1218
OUTPAT OUTPAT_ICD10(M250) Haemarthrosis 1014
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M233) Other meniscus derangements. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 869
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M224) Chondromalacia patellae. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 868
INPAT INPAT_ICD10(M214) Flat foot [pes planus] (acquired) 827
OUTPAT OUTPAT_ICD10(M205) Other deformities of toe(s) (acquired) 813
OUTPAT OUTPAT_ICD10(M235) Chronic instability of knee 759
OUTPAT OUTPAT_ICD10(M259) Joint disorder, unspecified 754
OUTPAT OUTPAT_ICD10(M248) Other specific joint derangements, not elsewhere classified 725
OUTPAT OUTPAT_ICD10(M234) Loose body in knee 706
OUTPAT OUTPAT_ICD10(M254) Effusion of joint 693
INPAT INPAT_ICD10(M220) Recurrent dislocation of patella 682
INPAT INPAT_ICD10(M244) Recurrent dislocation and subluxation of joint 652
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M259) Joint disorder, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 647
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M202) Hallux rigidus. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 629
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M25) Other joint disorders, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 628
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M250) Haemarthrosis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 588
INPAT INPAT_ICD10(M242) Disorder of ligament 579
INPAT INPAT_ICD10(M252) Flail joint 575
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M242) Disorder of ligament. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 542
OUTPAT OUTPAT_ICD10(M221) Recurrent subluxation of patella 539
INPAT INPAT_ICD10(M239) Internal derangement of knee, unspecified 521
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M220) Recurrent dislocation of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 479
OUTPAT OUTPAT_ICD10(M249) Joint derangement, unspecified 448
OUTPAT OUTPAT_ICD10(M240) Loose body in joint 398
OUTPAT OUTPAT_ICD10(M222) Patellofemoral disorders 374
OUTPAT OUTPAT_ICD10(M258) Other specified joint disorders 363
INPAT INPAT_ICD10(M233) Other meniscus derangements 357
INPAT INPAT_ICD10(M235) Chronic instability of knee 348
OUTPAT OUTPAT_ICD10(M23) Internal derangement of knee 315
OUTPAT OUTPAT_ICD10(M217) Unequal limb length (acquired) 305
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! 293
INPAT INPAT_ICD10(M250) Haemarthrosis 292
INPAT INPAT_ICD10(M205) Other deformities of toe(s) (acquired) 289
OUTPAT OUTPAT_ICD10(M211) Varus deformity, not elsewhere classified 283
OUTPAT OUTPAT_ICD10(M253) Other instability of joint 265
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M258) Other specified joint disorders. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 262
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! 253
OUTPAT OUTPAT_ICD10(M230) Cystic meniscus 248
OUTPAT OUTPAT_ICD10(M245) Contracture of joint 240
INPAT INPAT_ICD10(M221) Recurrent subluxation of patella 219
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M20) Acquired deformities of fingers and toes. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 218
OUTPAT OUTPAT_ICD10(M241) Other articular cartilage disorders 214
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M244) Recurrent dislocation and subluxation of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 209
OUTPAT OUTPAT_ICD10(M203) Other deformity of hallux (acquired) 201
OUTPAT OUTPAT_ICD10(M216) Other acquired deformities of ankle and foot 196
INPAT INPAT_ICD10(M248) Other specific joint derangements, not elsewhere classified 193
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M249) Joint derangement, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 189
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M256) Stiffness of joint, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 188
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M235) Chronic instability of knee. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 187
OUTPAT OUTPAT_ICD10(M223) Other derangements of patella 181
INPAT INPAT_ICD10(M234) Loose body in knee 180
OUTPAT OUTPAT_ICD10(M210) Valgus deformity, not elsewhere classified 179
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M252) Flail joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 179
OUTPAT OUTPAT_ICD10(M257) Osteophyte 175
OUTPAT OUTPAT_ICD10(M228) Other disorders of patella 171
OUTPAT OUTPAT_ICD10(M215) Acquired clawhand, clubhand, clawfoot and clubfoot 153
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M205) Other deformities of toe(s) (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 151
OUTPAT OUTPAT_ICD10(M231) Discoid meniscus (congenital) 143
OUTPAT OUTPAT_ICD10(M243) Pathological dislocation and subluxation of joint, not elsewhere classified 141
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M229) Disorder of patella, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 136
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M228) Other disorders of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 125
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M217) Unequal limb length (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 124
OUTPAT OUTPAT_ICD10(M229) Disorder of patella, unspecified 123
OUTPAT OUTPAT_ICD10(M251) Fistula of joint 117
OUTPAT OUTPAT_ICD10(M206) Acquired deformity of toe(s), unspecified 113
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M253) Other instability of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 113
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M222) Patellofemoral disorders. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 111
INPAT INPAT_ICD10(M259) Joint disorder, unspecified 107
INPAT INPAT_ICD10(M254) Effusion of joint 104
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M221) Recurrent subluxation of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 103
OUTPAT OUTPAT_ICD10(M256) Stiffness of joint, not elsewhere classified 97
INPAT INPAT_ICD10(M240) Loose body in joint 95
OUTPAT OUTPAT_ICD10(M2000) Buttonhole deformity of fingers 94
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M206) Acquired deformity of toe(s), unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 93
OUTPAT OUTPAT_ICD10(M25) Other joint disorders, not elsewhere classified 90
INPAT INPAT_ICD10(M245) Contracture of joint 89
OUTPAT OUTPAT_ICD10(M236) Other spontaneous disruption of ligament(s) of knee 87
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M22) Disorders of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 83
INPAT INPAT_ICD10(M258) Other specified joint disorders 76
OUTPAT OUTPAT_ICD10(M246) Ankylosis of joint 74
INPAT INPAT_ICD10(M241) Other articular cartilage disorders 73
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M203) Other deformity of hallux (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 73
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M210) Valgus deformity, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 65
INPAT INPAT_ICD10(M215) Acquired clawhand, clubhand, clawfoot and clubfoot 64
INPAT INPAT_ICD10(M211) Varus deformity, not elsewhere classified 63
INPAT INPAT_ICD10(M222) Patellofemoral disorders 62
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M21) Other acquired deformities of limbs. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 62
INPAT INPAT_ICD10(M253) Other instability of joint 61
INPAT INPAT_ICD10(M203) Other deformity of hallux (acquired) 59
INPAT INPAT_ICD10(M217) Unequal limb length (acquired) 59
INPAT INPAT_ICD10(M223) Other derangements of patella 58
INPAT INPAT_ICD10(M257) Osteophyte 57
INPAT INPAT_ICD10(M231) Discoid meniscus (congenital) 56
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M223) Other derangements of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 55
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M245) Contracture of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 55
OUTPAT OUTPAT_ICD10(M218) Other specified acquired deformities of limbs 52
INPAT INPAT_ICD10(M228) Other disorders of patella 50
INPAT INPAT_ICD10(M210) Valgus deformity, not elsewhere classified 49
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M2008) Deformity of finger(s). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 46
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! 46
INPAT INPAT_ICD10(M230) Cystic meniscus 45
INPAT INPAT_ICD10(M249) Joint derangement, unspecified 44
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M240) Loose body in joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 43
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M257) Osteophyte. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 43
OUTPAT OUTPAT_ICD10(M2008) Deformity of finger(s) 42
OUTPAT OUTPAT_ICD10(M2001) Swan neck deformity of fingers 41
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! 41
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M234) Loose body in knee. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 40
OUTPAT OUTPAT_ICD10(M219) Acquired deformity of limb, unspecified 38
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M218) Other specified acquired deformities of limbs. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 37
INPAT INPAT_ICD10(M243) Pathological dislocation and subluxation of joint, not elsewhere classified 36
INPAT INPAT_ICD10(M251) Fistula of joint 35
OUTPAT OUTPAT_ICD10(M212) Flexion deformity 33
INPAT INPAT_ICD10(M216) Other acquired deformities of ankle and foot 32
OUTPAT OUTPAT_ICD10(M20) Acquired deformities of fingers and toes 30
INPAT INPAT_ICD10(M206) Acquired deformity of toe(s), unspecified 29
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M241) Other articular cartilage disorders. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 28
INPAT INPAT_ICD10(M229) Disorder of patella, unspecified 27
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M219) Acquired deformity of limb, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 27
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M24) Other specific joint derangements. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 27
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M215) Acquired clawhand, clubhand, clawfoot and clubfoot. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 26
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M211) Varus deformity, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 25
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M246) Ankylosis of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 25
INPAT INPAT_ICD10(M218) Other specified acquired deformities of limbs 24
INPAT INPAT_ICD10(M246) Ankylosis of joint 23
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M230) Cystic meniscus. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 22
INPAT INPAT_ICD10(M236) Other spontaneous disruption of ligament(s) of knee 21
INPAT INPAT_ICD10(M256) Stiffness of joint, not elsewhere classified 19
INPAT INPAT_ICD10(M2000) Buttonhole deformity of fingers 17
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M2001) Swan neck deformity of fingers. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 16
INPAT INPAT_ICD10(M219) Acquired deformity of limb, unspecified 12
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M2000) Buttonhole deformity of fingers. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 12
OUTPAT OUTPAT_ICD10(M213) Wrist or foot drop (acquired) 11
INPAT INPAT_ICD10(M2001) Swan neck deformity of fingers 9
OUTPAT OUTPAT_ICD10(M247) Protrusio acetabuli 9
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M251) Fistula of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 9
INPAT INPAT_ICD10(M2008) Deformity of finger(s) 8
OUTPAT OUTPAT_ICD10(M22) Disorders of patella 8
OUTPAT OUTPAT_ICD10(M24) Other specific joint derangements 7
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M247) Protrusio acetabuli. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 7
INPAT INPAT_ICD10(M212) Flexion deformity 6
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M231) Discoid meniscus (congenital). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 5