{"about":"270 billable ICD-10-CM diagnosis codes about the ankle and foot, with their official descriptions, copied from CMS's 2027 code descriptions in tabular order (icd10cm_codes_2027.txt, in effect 1 Oct 2026 to 30 Sep 2027). Selection: S82.5 and S82.6 (initial encounter, closed fracture only), S90.0, S92.00, S93.0, S93.4, S96.01, S96.11, S96.81, S96.91, M25.37, M25.47, M25.57, M25.67, M84.37, M84.47. Used by the commons page's keyword illustration; ICD-10-CM is a US government work.","source":"https://www.cms.gov/medicare/coding-billing/icd-10-codes","fiscal_year":2027,"count":270,"codes":[["M25.371","Other instability, right ankle"],
["M25.372","Other instability, left ankle"],
["M25.373","Other instability, unspecified ankle"],
["M25.374","Other instability, right foot"],
["M25.375","Other instability, left foot"],
["M25.376","Other instability, unspecified foot"],
["M25.471","Effusion, right ankle"],
["M25.472","Effusion, left ankle"],
["M25.473","Effusion, unspecified ankle"],
["M25.474","Effusion, right foot"],
["M25.475","Effusion, left foot"],
["M25.476","Effusion, unspecified foot"],
["M25.571","Pain in right ankle and joints of right foot"],
["M25.572","Pain in left ankle and joints of left foot"],
["M25.579","Pain in unspecified ankle and joints of unspecified foot"],
["M25.671","Stiffness of right ankle, not elsewhere classified"],
["M25.672","Stiffness of left ankle, not elsewhere classified"],
["M25.673","Stiffness of unspecified ankle, not elsewhere classified"],
["M25.674","Stiffness of right foot, not elsewhere classified"],
["M25.675","Stiffness of left foot, not elsewhere classified"],
["M25.676","Stiffness of unspecified foot, not elsewhere classified"],
["M84.371A","Stress fracture, right ankle, initial encounter for fracture"],
["M84.371D","Stress fracture, right ankle, subsequent encounter for fracture with routine healing"],
["M84.371G","Stress fracture, right ankle, subsequent encounter for fracture with delayed healing"],
["M84.371K","Stress fracture, right ankle, subsequent encounter for fracture with nonunion"],
["M84.371P","Stress fracture, right ankle, subsequent encounter for fracture with malunion"],
["M84.371S","Stress fracture, right ankle, sequela"],
["M84.372A","Stress fracture, left ankle, initial encounter for fracture"],
["M84.372D","Stress fracture, left ankle, subsequent encounter for fracture with routine healing"],
["M84.372G","Stress fracture, left ankle, subsequent encounter for fracture with delayed healing"],
["M84.372K","Stress fracture, left ankle, subsequent encounter for fracture with nonunion"],
["M84.372P","Stress fracture, left ankle, subsequent encounter for fracture with malunion"],
["M84.372S","Stress fracture, left ankle, sequela"],
["M84.373A","Stress fracture, unspecified ankle, initial encounter for fracture"],
["M84.373D","Stress fracture, unspecified ankle, subsequent encounter for fracture with routine healing"],
["M84.373G","Stress fracture, unspecified ankle, subsequent encounter for fracture with delayed healing"],
["M84.373K","Stress fracture, unspecified ankle, subsequent encounter for fracture with nonunion"],
["M84.373P","Stress fracture, unspecified ankle, subsequent encounter for fracture with malunion"],
["M84.373S","Stress fracture, unspecified ankle, sequela"],
["M84.374A","Stress fracture, right foot, initial encounter for fracture"],
["M84.374D","Stress fracture, right foot, subsequent encounter for fracture with routine healing"],
["M84.374G","Stress fracture, right foot, subsequent encounter for fracture with delayed healing"],
["M84.374K","Stress fracture, right foot, subsequent encounter for fracture with nonunion"],
["M84.374P","Stress fracture, right foot, subsequent encounter for fracture with malunion"],
["M84.374S","Stress fracture, right foot, sequela"],
["M84.375A","Stress fracture, left foot, initial encounter for fracture"],
["M84.375D","Stress fracture, left foot, subsequent encounter for fracture with routine healing"],
["M84.375G","Stress fracture, left foot, subsequent encounter for fracture with delayed healing"],
["M84.375K","Stress fracture, left foot, subsequent encounter for fracture with nonunion"],
["M84.375P","Stress fracture, left foot, subsequent encounter for fracture with malunion"],
["M84.375S","Stress fracture, left foot, sequela"],
["M84.376A","Stress fracture, unspecified foot, initial encounter for fracture"],
["M84.376D","Stress fracture, unspecified foot, subsequent encounter for fracture with routine healing"],
["M84.376G","Stress fracture, unspecified foot, subsequent encounter for fracture with delayed healing"],
["M84.376K","Stress fracture, unspecified foot, subsequent encounter for fracture with nonunion"],
["M84.376P","Stress fracture, unspecified foot, subsequent encounter for fracture with malunion"],
["M84.376S","Stress fracture, unspecified foot, sequela"],
["M84.377A","Stress fracture, right toe(s), initial encounter for fracture"],
["M84.377D","Stress fracture, right toe(s), subsequent encounter for fracture with routine healing"],
["M84.377G","Stress fracture, right toe(s), subsequent encounter for fracture with delayed healing"],
["M84.377K","Stress fracture, right toe(s), subsequent encounter for fracture with nonunion"],
["M84.377P","Stress fracture, right toe(s), subsequent encounter for fracture with malunion"],
["M84.377S","Stress fracture, right toe(s), sequela"],
["M84.378A","Stress fracture, left toe(s), initial encounter for fracture"],
["M84.378D","Stress fracture, left toe(s), subsequent encounter for fracture with routine healing"],
["M84.378G","Stress fracture, left toe(s), subsequent encounter for fracture with delayed healing"],
["M84.378K","Stress fracture, left toe(s), subsequent encounter for fracture with nonunion"],
["M84.378P","Stress fracture, left toe(s), subsequent encounter for fracture with malunion"],
["M84.378S","Stress fracture, left toe(s), sequela"],
["M84.379A","Stress fracture, unspecified toe(s), initial encounter for fracture"],
["M84.379D","Stress fracture, unspecified toe(s), subsequent encounter for fracture with routine healing"],
["M84.379G","Stress fracture, unspecified toe(s), subsequent encounter for fracture with delayed healing"],
["M84.379K","Stress fracture, unspecified toe(s), subsequent encounter for fracture with nonunion"],
["M84.379P","Stress fracture, unspecified toe(s), subsequent encounter for fracture with malunion"],
["M84.379S","Stress fracture, unspecified toe(s), sequela"],
["M84.471A","Pathological fracture, right ankle, initial encounter for fracture"],
["M84.471D","Pathological fracture, right ankle, subsequent encounter for fracture with routine healing"],
["M84.471G","Pathological fracture, right ankle, subsequent encounter for fracture with delayed healing"],
["M84.471K","Pathological fracture, right ankle, subsequent encounter for fracture with nonunion"],
["M84.471P","Pathological fracture, right ankle, subsequent encounter for fracture with malunion"],
["M84.471S","Pathological fracture, right ankle, sequela"],
["M84.472A","Pathological fracture, left ankle, initial encounter for fracture"],
["M84.472D","Pathological fracture, left ankle, subsequent encounter for fracture with routine healing"],
["M84.472G","Pathological fracture, left ankle, subsequent encounter for fracture with delayed healing"],
["M84.472K","Pathological fracture, left ankle, subsequent encounter for fracture with nonunion"],
["M84.472P","Pathological fracture, left ankle, subsequent encounter for fracture with malunion"],
["M84.472S","Pathological fracture, left ankle, sequela"],
["M84.473A","Pathological fracture, unspecified ankle, initial encounter for fracture"],
["M84.473D","Pathological fracture, unspecified ankle, subsequent encounter for fracture with routine healing"],
["M84.473G","Pathological fracture, unspecified ankle, subsequent encounter for fracture with delayed healing"],
["M84.473K","Pathological fracture, unspecified ankle, subsequent encounter for fracture with nonunion"],
["M84.473P","Pathological fracture, unspecified ankle, subsequent encounter for fracture with malunion"],
["M84.473S","Pathological fracture, unspecified ankle, sequela"],
["M84.474A","Pathological fracture, right foot, initial encounter for fracture"],
["M84.474D","Pathological fracture, right foot, subsequent encounter for fracture with routine healing"],
["M84.474G","Pathological fracture, right foot, subsequent encounter for fracture with delayed healing"],
["M84.474K","Pathological fracture, right foot, subsequent encounter for fracture with nonunion"],
["M84.474P","Pathological fracture, right foot, subsequent encounter for fracture with malunion"],
["M84.474S","Pathological fracture, right foot, sequela"],
["M84.475A","Pathological fracture, left foot, initial encounter for fracture"],
["M84.475D","Pathological fracture, left foot, subsequent encounter for fracture with routine healing"],
["M84.475G","Pathological fracture, left foot, subsequent encounter for fracture with delayed healing"],
["M84.475K","Pathological fracture, left foot, subsequent encounter for fracture with nonunion"],
["M84.475P","Pathological fracture, left foot, subsequent encounter for fracture with malunion"],
["M84.475S","Pathological fracture, left foot, sequela"],
["M84.476A","Pathological fracture, unspecified foot, initial encounter for fracture"],
["M84.476D","Pathological fracture, unspecified foot, subsequent encounter for fracture with routine healing"],
["M84.476G","Pathological fracture, unspecified foot, subsequent encounter for fracture with delayed healing"],
["M84.476K","Pathological fracture, unspecified foot, subsequent encounter for fracture with nonunion"],
["M84.476P","Pathological fracture, unspecified foot, subsequent encounter for fracture with malunion"],
["M84.476S","Pathological fracture, unspecified foot, sequela"],
["M84.477A","Pathological fracture, right toe(s), initial encounter for fracture"],
["M84.477D","Pathological fracture, right toe(s), subsequent encounter for fracture with routine healing"],
["M84.477G","Pathological fracture, right toe(s), subsequent encounter for fracture with delayed healing"],
["M84.477K","Pathological fracture, right toe(s), subsequent encounter for fracture with nonunion"],
["M84.477P","Pathological fracture, right toe(s), subsequent encounter for fracture with malunion"],
["M84.477S","Pathological fracture, right toe(s), sequela"],
["M84.478A","Pathological fracture, left toe(s), initial encounter for fracture"],
["M84.478D","Pathological fracture, left toe(s), subsequent encounter for fracture with routine healing"],
["M84.478G","Pathological fracture, left toe(s), subsequent encounter for fracture with delayed healing"],
["M84.478K","Pathological fracture, left toe(s), subsequent encounter for fracture with nonunion"],
["M84.478P","Pathological fracture, left toe(s), subsequent encounter for fracture with malunion"],
["M84.478S","Pathological fracture, left toe(s), sequela"],
["M84.479A","Pathological fracture, unspecified toe(s), initial encounter for fracture"],
["M84.479D","Pathological fracture, unspecified toe(s), subsequent encounter for fracture with routine healing"],
["M84.479G","Pathological fracture, unspecified toe(s), subsequent encounter for fracture with delayed healing"],
["M84.479K","Pathological fracture, unspecified toe(s), subsequent encounter for fracture with nonunion"],
["M84.479P","Pathological fracture, unspecified toe(s), subsequent encounter for fracture with malunion"],
["M84.479S","Pathological fracture, unspecified toe(s), sequela"],
["S82.51XA","Displaced fracture of medial malleolus of right tibia, initial encounter for closed fracture"],
["S82.52XA","Displaced fracture of medial malleolus of left tibia, initial encounter for closed fracture"],
["S82.53XA","Displaced fracture of medial malleolus of unspecified tibia, initial encounter for closed fracture"],
["S82.54XA","Nondisplaced fracture of medial malleolus of right tibia, initial encounter for closed fracture"],
["S82.55XA","Nondisplaced fracture of medial malleolus of left tibia, initial encounter for closed fracture"],
["S82.56XA","Nondisplaced fracture of medial malleolus of unspecified tibia, initial encounter for closed fracture"],
["S82.61XA","Displaced fracture of lateral malleolus of right fibula, initial encounter for closed fracture"],
["S82.62XA","Displaced fracture of lateral malleolus of left fibula, initial encounter for closed fracture"],
["S82.63XA","Displaced fracture of lateral malleolus of unspecified fibula, initial encounter for closed fracture"],
["S82.64XA","Nondisplaced fracture of lateral malleolus of right fibula, initial encounter for closed fracture"],
["S82.65XA","Nondisplaced fracture of lateral malleolus of left fibula, initial encounter for closed fracture"],
["S82.66XA","Nondisplaced fracture of lateral malleolus of unspecified fibula, initial encounter for closed fracture"],
["S90.00XA","Contusion of unspecified ankle, initial encounter"],
["S90.00XD","Contusion of unspecified ankle, subsequent encounter"],
["S90.00XS","Contusion of unspecified ankle, sequela"],
["S90.01XA","Contusion of right ankle, initial encounter"],
["S90.01XD","Contusion of right ankle, subsequent encounter"],
["S90.01XS","Contusion of right ankle, sequela"],
["S90.02XA","Contusion of left ankle, initial encounter"],
["S90.02XD","Contusion of left ankle, subsequent encounter"],
["S90.02XS","Contusion of left ankle, sequela"],
["S92.001A","Unspecified fracture of right calcaneus, initial encounter for closed fracture"],
["S92.001B","Unspecified fracture of right calcaneus, initial encounter for open fracture"],
["S92.001D","Unspecified fracture of right calcaneus, subsequent encounter for fracture with routine healing"],
["S92.001G","Unspecified fracture of right calcaneus, subsequent encounter for fracture with delayed healing"],
["S92.001K","Unspecified fracture of right calcaneus, subsequent encounter for fracture with nonunion"],
["S92.001P","Unspecified fracture of right calcaneus, subsequent encounter for fracture with malunion"],
["S92.001S","Unspecified fracture of right calcaneus, sequela"],
["S92.002A","Unspecified fracture of left calcaneus, initial encounter for closed fracture"],
["S92.002B","Unspecified fracture of left calcaneus, initial encounter for open fracture"],
["S92.002D","Unspecified fracture of left calcaneus, subsequent encounter for fracture with routine healing"],
["S92.002G","Unspecified fracture of left calcaneus, subsequent encounter for fracture with delayed healing"],
["S92.002K","Unspecified fracture of left calcaneus, subsequent encounter for fracture with nonunion"],
["S92.002P","Unspecified fracture of left calcaneus, subsequent encounter for fracture with malunion"],
["S92.002S","Unspecified fracture of left calcaneus, sequela"],
["S92.009A","Unspecified fracture of unspecified calcaneus, initial encounter for closed fracture"],
["S92.009B","Unspecified fracture of unspecified calcaneus, initial encounter for open fracture"],
["S92.009D","Unspecified fracture of unspecified calcaneus, subsequent encounter for fracture with routine healing"],
["S92.009G","Unspecified fracture of unspecified calcaneus, subsequent encounter for fracture with delayed healing"],
["S92.009K","Unspecified fracture of unspecified calcaneus, subsequent encounter for fracture with nonunion"],
["S92.009P","Unspecified fracture of unspecified calcaneus, subsequent encounter for fracture with malunion"],
["S92.009S","Unspecified fracture of unspecified calcaneus, sequela"],
["S93.01XA","Subluxation of right ankle joint, initial encounter"],
["S93.01XD","Subluxation of right ankle joint, subsequent encounter"],
["S93.01XS","Subluxation of right ankle joint, sequela"],
["S93.02XA","Subluxation of left ankle joint, initial encounter"],
["S93.02XD","Subluxation of left ankle joint, subsequent encounter"],
["S93.02XS","Subluxation of left ankle joint, sequela"],
["S93.03XA","Subluxation of unspecified ankle joint, initial encounter"],
["S93.03XD","Subluxation of unspecified ankle joint, subsequent encounter"],
["S93.03XS","Subluxation of unspecified ankle joint, sequela"],
["S93.04XA","Dislocation of right ankle joint, initial encounter"],
["S93.04XD","Dislocation of right ankle joint, subsequent encounter"],
["S93.04XS","Dislocation of right ankle joint, sequela"],
["S93.05XA","Dislocation of left ankle joint, initial encounter"],
["S93.05XD","Dislocation of left ankle joint, subsequent encounter"],
["S93.05XS","Dislocation of left ankle joint, sequela"],
["S93.06XA","Dislocation of unspecified ankle joint, initial encounter"],
["S93.06XD","Dislocation of unspecified ankle joint, subsequent encounter"],
["S93.06XS","Dislocation of unspecified ankle joint, sequela"],
["S93.401A","Sprain of unspecified ligament of right ankle, initial encounter"],
["S93.401D","Sprain of unspecified ligament of right ankle, subsequent encounter"],
["S93.401S","Sprain of unspecified ligament of right ankle, sequela"],
["S93.402A","Sprain of unspecified ligament of left ankle, initial encounter"],
["S93.402D","Sprain of unspecified ligament of left ankle, subsequent encounter"],
["S93.402S","Sprain of unspecified ligament of left ankle, sequela"],
["S93.409A","Sprain of unspecified ligament of unspecified ankle, initial encounter"],
["S93.409D","Sprain of unspecified ligament of unspecified ankle, subsequent encounter"],
["S93.409S","Sprain of unspecified ligament of unspecified ankle, sequela"],
["S93.411A","Sprain of calcaneofibular ligament of right ankle, initial encounter"],
["S93.411D","Sprain of calcaneofibular ligament of right ankle, subsequent encounter"],
["S93.411S","Sprain of calcaneofibular ligament of right ankle, sequela"],
["S93.412A","Sprain of calcaneofibular ligament of left ankle, initial encounter"],
["S93.412D","Sprain of calcaneofibular ligament of left ankle, subsequent encounter"],
["S93.412S","Sprain of calcaneofibular ligament of left ankle, sequela"],
["S93.419A","Sprain of calcaneofibular ligament of unspecified ankle, initial encounter"],
["S93.419D","Sprain of calcaneofibular ligament of unspecified ankle, subsequent encounter"],
["S93.419S","Sprain of calcaneofibular ligament of unspecified ankle, sequela"],
["S93.421A","Sprain of deltoid ligament of right ankle, initial encounter"],
["S93.421D","Sprain of deltoid ligament of right ankle, subsequent encounter"],
["S93.421S","Sprain of deltoid ligament of right ankle, sequela"],
["S93.422A","Sprain of deltoid ligament of left ankle, initial encounter"],
["S93.422D","Sprain of deltoid ligament of left ankle, subsequent encounter"],
["S93.422S","Sprain of deltoid ligament of left ankle, sequela"],
["S93.429A","Sprain of deltoid ligament of unspecified ankle, initial encounter"],
["S93.429D","Sprain of deltoid ligament of unspecified ankle, subsequent encounter"],
["S93.429S","Sprain of deltoid ligament of unspecified ankle, sequela"],
["S93.431A","Sprain of tibiofibular ligament of right ankle, initial encounter"],
["S93.431D","Sprain of tibiofibular ligament of right ankle, subsequent encounter"],
["S93.431S","Sprain of tibiofibular ligament of right ankle, sequela"],
["S93.432A","Sprain of tibiofibular ligament of left ankle, initial encounter"],
["S93.432D","Sprain of tibiofibular ligament of left ankle, subsequent encounter"],
["S93.432S","Sprain of tibiofibular ligament of left ankle, sequela"],
["S93.439A","Sprain of tibiofibular ligament of unspecified ankle, initial encounter"],
["S93.439D","Sprain of tibiofibular ligament of unspecified ankle, subsequent encounter"],
["S93.439S","Sprain of tibiofibular ligament of unspecified ankle, sequela"],
["S93.491A","Sprain of other ligament of right ankle, initial encounter"],
["S93.491D","Sprain of other ligament of right ankle, subsequent encounter"],
["S93.491S","Sprain of other ligament of right ankle, sequela"],
["S93.492A","Sprain of other ligament of left ankle, initial encounter"],
["S93.492D","Sprain of other ligament of left ankle, subsequent encounter"],
["S93.492S","Sprain of other ligament of left ankle, sequela"],
["S93.499A","Sprain of other ligament of unspecified ankle, initial encounter"],
["S93.499D","Sprain of other ligament of unspecified ankle, subsequent encounter"],
["S93.499S","Sprain of other ligament of unspecified ankle, sequela"],
["S96.011A","Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot, initial encounter"],
["S96.011D","Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot, subsequent encounter"],
["S96.011S","Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot, sequela"],
["S96.012A","Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, left foot, initial encounter"],
["S96.012D","Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, left foot, subsequent encounter"],
["S96.012S","Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, left foot, sequela"],
["S96.019A","Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, unspecified foot, initial encounter"],
["S96.019D","Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, unspecified foot, subsequent encounter"],
["S96.019S","Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, unspecified foot, sequela"],
["S96.111A","Strain of muscle and tendon of long extensor muscle of toe at ankle and foot level, right foot, initial encounter"],
["S96.111D","Strain of muscle and tendon of long extensor muscle of toe at ankle and foot level, right foot, subsequent encounter"],
["S96.111S","Strain of muscle and tendon of long extensor muscle of toe at ankle and foot level, right foot, sequela"],
["S96.112A","Strain of muscle and tendon of long extensor muscle of toe at ankle and foot level, left foot, initial encounter"],
["S96.112D","Strain of muscle and tendon of long extensor muscle of toe at ankle and foot level, left foot, subsequent encounter"],
["S96.112S","Strain of muscle and tendon of long extensor muscle of toe at ankle and foot level, left foot, sequela"],
["S96.119A","Strain of muscle and tendon of long extensor muscle of toe at ankle and foot level, unspecified foot, initial encounter"],
["S96.119D","Strain of muscle and tendon of long extensor muscle of toe at ankle and foot level, unspecified foot, subsequent encounter"],
["S96.119S","Strain of muscle and tendon of long extensor muscle of toe at ankle and foot level, unspecified foot, sequela"],
["S96.811A","Strain of other specified muscles and tendons at ankle and foot level, right foot, initial encounter"],
["S96.811D","Strain of other specified muscles and tendons at ankle and foot level, right foot, subsequent encounter"],
["S96.811S","Strain of other specified muscles and tendons at ankle and foot level, right foot, sequela"],
["S96.812A","Strain of other specified muscles and tendons at ankle and foot level, left foot, initial encounter"],
["S96.812D","Strain of other specified muscles and tendons at ankle and foot level, left foot, subsequent encounter"],
["S96.812S","Strain of other specified muscles and tendons at ankle and foot level, left foot, sequela"],
["S96.819A","Strain of other specified muscles and tendons at ankle and foot level, unspecified foot, initial encounter"],
["S96.819D","Strain of other specified muscles and tendons at ankle and foot level, unspecified foot, subsequent encounter"],
["S96.819S","Strain of other specified muscles and tendons at ankle and foot level, unspecified foot, sequela"],
["S96.911A","Strain of unspecified muscle and tendon at ankle and foot level, right foot, initial encounter"],
["S96.911D","Strain of unspecified muscle and tendon at ankle and foot level, right foot, subsequent encounter"],
["S96.911S","Strain of unspecified muscle and tendon at ankle and foot level, right foot, sequela"],
["S96.912A","Strain of unspecified muscle and tendon at ankle and foot level, left foot, initial encounter"],
["S96.912D","Strain of unspecified muscle and tendon at ankle and foot level, left foot, subsequent encounter"],
["S96.912S","Strain of unspecified muscle and tendon at ankle and foot level, left foot, sequela"],
["S96.919A","Strain of unspecified muscle and tendon at ankle and foot level, unspecified foot, initial encounter"],
["S96.919D","Strain of unspecified muscle and tendon at ankle and foot level, unspecified foot, subsequent encounter"],
["S96.919S","Strain of unspecified muscle and tendon at ankle and foot level, unspecified foot, sequela"]]}