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! 93952
OUTPAT OUTPAT_ICD10(M255) Pain in joint 44231
OUTPAT OUTPAT_ICD10(M232) Derangement of meniscus due to old tear or injury 24931
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M239) Internal derangement of knee, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 20410
OUTPAT OUTPAT_ICD10(M201) Hallux valgus (acquired) 14801
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M201) Hallux valgus (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 8182
OUTPAT OUTPAT_ICD10(M239) Internal derangement of knee, unspecified 8148
OUTPAT OUTPAT_ICD10(M204) Other hammer toe(s) (acquired) 6876
INPAT INPAT_ICD10(M232) Derangement of meniscus due to old tear or injury 6449
INPAT INPAT_ICD10(M201) Hallux valgus (acquired) 5967
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M23) Internal derangement of knee. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 5522
OUTPAT OUTPAT_ICD10(M202) Hallux rigidus 5310
OUTPAT OUTPAT_ICD10(M224) Chondromalacia patellae 4762
OUTPAT OUTPAT_ICD10(M238) Other internal derangements of knee 4735
OUTPAT OUTPAT_ICD10(M214) Flat foot [pes planus] (acquired) 4207
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M238) Other internal derangements of knee. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 3692
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! 3485
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M214) Flat foot [pes planus] (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 3378
INPAT INPAT_ICD10(M255) Pain in joint 2793
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M204) Other hammer toe(s) (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 2708
INPAT INPAT_ICD10(M204) Other hammer toe(s) (acquired) 2559
OUTPAT OUTPAT_ICD10(M244) Recurrent dislocation and subluxation of joint 1966
OUTPAT OUTPAT_ICD10(M252) Flail joint 1911
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M254) Effusion of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1885
OUTPAT OUTPAT_ICD10(M242) Disorder of ligament 1809
INPAT INPAT_ICD10(M202) Hallux rigidus 1780
OUTPAT OUTPAT_ICD10(M220) Recurrent dislocation of patella 1741
INPAT INPAT_ICD10(M224) Chondromalacia patellae 1622
OUTPAT OUTPAT_ICD10(M233) Other meniscus derangements 1432
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M233) Other meniscus derangements. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1411
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M224) Chondromalacia patellae. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1375
INPAT INPAT_ICD10(M238) Other internal derangements of knee 1332
OUTPAT OUTPAT_ICD10(M250) Haemarthrosis 1289
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M202) Hallux rigidus. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1161
INPAT INPAT_ICD10(M214) Flat foot [pes planus] (acquired) 1129
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M259) Joint disorder, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1073
OUTPAT OUTPAT_ICD10(M205) Other deformities of toe(s) (acquired) 1051
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M25) Other joint disorders, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 920
OUTPAT OUTPAT_ICD10(M248) Other specific joint derangements, not elsewhere classified 902
OUTPAT OUTPAT_ICD10(M254) Effusion of joint 871
OUTPAT OUTPAT_ICD10(M235) Chronic instability of knee 868
OUTPAT OUTPAT_ICD10(M259) Joint disorder, unspecified 858
OUTPAT OUTPAT_ICD10(M234) Loose body in knee 820
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M250) Haemarthrosis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 818
INPAT INPAT_ICD10(M220) Recurrent dislocation of patella 771
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M242) Disorder of ligament. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 755
INPAT INPAT_ICD10(M244) Recurrent dislocation and subluxation of joint 712
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M220) Recurrent dislocation of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 706
INPAT INPAT_ICD10(M252) Flail joint 639
INPAT INPAT_ICD10(M242) Disorder of ligament 633
OUTPAT OUTPAT_ICD10(M221) Recurrent subluxation of patella 604
INPAT INPAT_ICD10(M239) Internal derangement of knee, unspecified 603
OUTPAT OUTPAT_ICD10(M23) Internal derangement of knee 501
OUTPAT OUTPAT_ICD10(M249) Joint derangement, unspecified 498
OUTPAT OUTPAT_ICD10(M240) Loose body in joint 492
OUTPAT OUTPAT_ICD10(M222) Patellofemoral disorders 473
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M258) Other specified joint disorders. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 468
OUTPAT OUTPAT_ICD10(M258) Other specified joint disorders 456
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! 455
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! 448
INPAT INPAT_ICD10(M233) Other meniscus derangements 386
INPAT INPAT_ICD10(M250) Haemarthrosis 384
INPAT INPAT_ICD10(M235) Chronic instability of knee 381
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M244) Recurrent dislocation and subluxation of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 373
OUTPAT OUTPAT_ICD10(M217) Unequal limb length (acquired) 361
INPAT INPAT_ICD10(M205) Other deformities of toe(s) (acquired) 350
OUTPAT OUTPAT_ICD10(M211) Varus deformity, not elsewhere classified 341
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M256) Stiffness of joint, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 330
OUTPAT OUTPAT_ICD10(M253) Other instability of joint 327
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M252) Flail joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 310
OUTPAT OUTPAT_ICD10(M245) Contracture of joint 309
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M205) Other deformities of toe(s) (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 286
OUTPAT OUTPAT_ICD10(M230) Cystic meniscus 280
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M222) Patellofemoral disorders. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 277
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M235) Chronic instability of knee. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 274
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M249) Joint derangement, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 267
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M20) Acquired deformities of fingers and toes. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 265
OUTPAT OUTPAT_ICD10(M216) Other acquired deformities of ankle and foot 256
OUTPAT OUTPAT_ICD10(M241) Other articular cartilage disorders 244
OUTPAT OUTPAT_ICD10(M203) Other deformity of hallux (acquired) 235
INPAT INPAT_ICD10(M221) Recurrent subluxation of patella 232
OUTPAT OUTPAT_ICD10(M223) Other derangements of patella 220
INPAT INPAT_ICD10(M248) Other specific joint derangements, not elsewhere classified 217
OUTPAT OUTPAT_ICD10(M210) Valgus deformity, not elsewhere classified 214
OUTPAT OUTPAT_ICD10(M228) Other disorders of patella 209
OUTPAT OUTPAT_ICD10(M257) Osteophyte 206
INPAT INPAT_ICD10(M234) Loose body in knee 202
OUTPAT OUTPAT_ICD10(M215) Acquired clawhand, clubhand, clawfoot and clubfoot 200
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M229) Disorder of patella, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 200
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M228) Other disorders of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 196
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M253) Other instability of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 187
OUTPAT OUTPAT_ICD10(M243) Pathological dislocation and subluxation of joint, not elsewhere classified 166
OUTPAT OUTPAT_ICD10(M231) Discoid meniscus (congenital) 164
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M217) Unequal limb length (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 164
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M221) Recurrent subluxation of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 161
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M206) Acquired deformity of toe(s), unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 160
OUTPAT OUTPAT_ICD10(M229) Disorder of patella, unspecified 141
OUTPAT OUTPAT_ICD10(M25) Other joint disorders, not elsewhere classified 140
OUTPAT OUTPAT_ICD10(M256) Stiffness of joint, not elsewhere classified 137
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M22) Disorders of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 135
OUTPAT OUTPAT_ICD10(M206) Acquired deformity of toe(s), unspecified 129
OUTPAT OUTPAT_ICD10(M251) Fistula of joint 129
INPAT INPAT_ICD10(M259) Joint disorder, unspecified 126
INPAT INPAT_ICD10(M254) Effusion of joint 122
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M203) Other deformity of hallux (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 118
INPAT INPAT_ICD10(M240) Loose body in joint 107
INPAT INPAT_ICD10(M245) Contracture of joint 106
OUTPAT OUTPAT_ICD10(M2000) Buttonhole deformity of fingers 104
OUTPAT OUTPAT_ICD10(M236) Other spontaneous disruption of ligament(s) of knee 98
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M223) Other derangements of patella. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 98
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M257) Osteophyte. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 95
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M210) Valgus deformity, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 94
OUTPAT OUTPAT_ICD10(M246) Ankylosis of joint 91
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M245) Contracture of joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 91
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M234) Loose body in knee. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 89
INPAT INPAT_ICD10(M258) Other specified joint disorders 87
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M240) Loose body in joint. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 81
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M21) Other acquired deformities of limbs. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 80
INPAT INPAT_ICD10(M211) Varus deformity, not elsewhere classified 79
INPAT INPAT_ICD10(M215) Acquired clawhand, clubhand, clawfoot and clubfoot 78
INPAT INPAT_ICD10(M222) Patellofemoral disorders 78
INPAT INPAT_ICD10(M241) Other articular cartilage disorders 77
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M2008) Deformity of finger(s). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 75
INPAT INPAT_ICD10(M253) Other instability of joint 69
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! 69
INPAT INPAT_ICD10(M203) Other deformity of hallux (acquired) 68
INPAT INPAT_ICD10(M217) Unequal limb length (acquired) 68
OUTPAT OUTPAT_ICD10(M218) Other specified acquired deformities of limbs 68
INPAT INPAT_ICD10(M223) Other derangements of patella 65
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! 62
INPAT INPAT_ICD10(M257) Osteophyte 61
INPAT INPAT_ICD10(M231) Discoid meniscus (congenital) 60
INPAT INPAT_ICD10(M210) Valgus deformity, not elsewhere classified 59
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M215) Acquired clawhand, clubhand, clawfoot and clubfoot. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 59
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M218) Other specified acquired deformities of limbs. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 58
INPAT INPAT_ICD10(M228) Other disorders of patella 55
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M241) Other articular cartilage disorders. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 55
OUTPAT OUTPAT_ICD10(M2001) Swan neck deformity of fingers 54
INPAT INPAT_ICD10(M249) Joint derangement, unspecified 52
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M211) Varus deformity, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 52
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M246) Ankylosis of joint. 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) 48
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M230) Cystic meniscus. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 46
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M24) Other specific joint derangements. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 44
INPAT INPAT_ICD10(M243) Pathological dislocation and subluxation of joint, not elsewhere classified 43
INPAT INPAT_ICD10(M216) Other acquired deformities of ankle and foot 42
OUTPAT OUTPAT_ICD10(M20) Acquired deformities of fingers and toes 42
OUTPAT OUTPAT_ICD10(M219) Acquired deformity of limb, unspecified 42
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M219) Acquired deformity of limb, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 39
INPAT INPAT_ICD10(M251) Fistula of joint 38
OUTPAT OUTPAT_ICD10(M212) Flexion deformity 35
INPAT INPAT_ICD10(M206) Acquired deformity of toe(s), unspecified 33
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M2001) Swan neck deformity of fingers. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 31
INPAT INPAT_ICD10(M218) Other specified acquired deformities of limbs 27
INPAT INPAT_ICD10(M229) Disorder of patella, unspecified 27
INPAT INPAT_ICD10(M246) Ankylosis of joint 27
INPAT INPAT_ICD10(M256) Stiffness of joint, not elsewhere classified 25
INPAT INPAT_ICD10(M236) Other spontaneous disruption of ligament(s) of knee 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! 15
OUTPAT OUTPAT_ICD10(M213) Wrist or foot drop (acquired) 14
INPAT INPAT_ICD10(M219) Acquired deformity of limb, unspecified 13
OUTPAT OUTPAT_ICD10(M22) Disorders of patella 11
OUTPAT OUTPAT_ICD10(M24) Other specific joint derangements 11
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
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M247) Protrusio acetabuli. 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) 9
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M213) Wrist or foot drop (acquired). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 9
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(M231) Discoid meniscus (congenital). Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 9
INPAT INPAT_ICD10(M212) Flexion deformity 7
INPAT INPAT_ICD10(M25) Other joint disorders, not elsewhere classified 5