ICD-10-CM · Chapter 13 · M00-M99
M87 Osteonecrosis
Includes
- avascular necrosis of bone
Excludes 1 (cannot be coded together)
- juvenile osteonecrosis (M91-M92)
- osteochondropathies (M90-M93)
Use Additional Code
- code to identify major osseous defect, if applicable (M89.7-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| M87..0 | Idiopathic aseptic necrosis of bone | No |
| M87..00 | Idiopathic aseptic necrosis of unspecified bone | Yes |
| M87..01 | Idiopathic aseptic necrosis of shoulder | No |
| M87..011 | Idiopathic aseptic necrosis of right shoulder | Yes |
| M87..012 | Idiopathic aseptic necrosis of left shoulder | Yes |
| M87..019 | Idiopathic aseptic necrosis of unspecified shoulder | Yes |
| M87..02 | Idiopathic aseptic necrosis of humerus | No |
| M87..021 | Idiopathic aseptic necrosis of right humerus | Yes |
| M87..022 | Idiopathic aseptic necrosis of left humerus | Yes |
| M87..029 | Idiopathic aseptic necrosis of unspecified humerus | Yes |
| M87..03 | Idiopathic aseptic necrosis of radius, ulna and carpus | No |
| M87..031 | Idiopathic aseptic necrosis of right radius | Yes |
| M87..032 | Idiopathic aseptic necrosis of left radius | Yes |
| M87..033 | Idiopathic aseptic necrosis of unspecified radius | Yes |
| M87..034 | Idiopathic aseptic necrosis of right ulna | Yes |
| M87..035 | Idiopathic aseptic necrosis of left ulna | Yes |
| M87..036 | Idiopathic aseptic necrosis of unspecified ulna | Yes |
| M87..037 | Idiopathic aseptic necrosis of right carpus | Yes |
| M87..038 | Idiopathic aseptic necrosis of left carpus | Yes |
| M87..039 | Idiopathic aseptic necrosis of unspecified carpus | Yes |
| M87..04 | Idiopathic aseptic necrosis of hand and fingers | No |
| M87..041 | Idiopathic aseptic necrosis of right hand | Yes |
| M87..042 | Idiopathic aseptic necrosis of left hand | Yes |
| M87..043 | Idiopathic aseptic necrosis of unspecified hand | Yes |
| M87..044 | Idiopathic aseptic necrosis of right finger(s) | Yes |
| M87..045 | Idiopathic aseptic necrosis of left finger(s) | Yes |
| M87..046 | Idiopathic aseptic necrosis of unspecified finger(s) | Yes |
| M87..05 | Idiopathic aseptic necrosis of pelvis and femur | No |
| M87..050 | Idiopathic aseptic necrosis of pelvis | Yes |
| M87..051 | Idiopathic aseptic necrosis of right femur | Yes |
| M87..052 | Idiopathic aseptic necrosis of left femur | Yes |
| M87..059 | Idiopathic aseptic necrosis of unspecified femur | Yes |
| M87..06 | Idiopathic aseptic necrosis of tibia and fibula | No |
| M87..061 | Idiopathic aseptic necrosis of right tibia | Yes |
| M87..062 | Idiopathic aseptic necrosis of left tibia | Yes |
| M87..063 | Idiopathic aseptic necrosis of unspecified tibia | Yes |
| M87..064 | Idiopathic aseptic necrosis of right fibula | Yes |
| M87..065 | Idiopathic aseptic necrosis of left fibula | Yes |
| M87..066 | Idiopathic aseptic necrosis of unspecified fibula | Yes |
| M87..07 | Idiopathic aseptic necrosis of ankle, foot and toes | No |
| M87..071 | Idiopathic aseptic necrosis of right ankle | Yes |
| M87..072 | Idiopathic aseptic necrosis of left ankle | Yes |
| M87..073 | Idiopathic aseptic necrosis of unspecified ankle | Yes |
| M87..074 | Idiopathic aseptic necrosis of right foot | Yes |
| M87..075 | Idiopathic aseptic necrosis of left foot | Yes |
| M87..076 | Idiopathic aseptic necrosis of unspecified foot | Yes |
| M87..077 | Idiopathic aseptic necrosis of right toe(s) | Yes |
| M87..078 | Idiopathic aseptic necrosis of left toe(s) | Yes |
| M87..079 | Idiopathic aseptic necrosis of unspecified toe(s) | Yes |
| M87..08 | Idiopathic aseptic necrosis of bone, other site | Yes |
| M87..09 | Idiopathic aseptic necrosis of bone, multiple sites | Yes |
| M87..1 | Osteonecrosis due to drugs | No |
| M87..10 | Osteonecrosis due to drugs, unspecified bone | Yes |
| M87..11 | Osteonecrosis due to drugs, shoulder | No |
| M87..111 | Osteonecrosis due to drugs, right shoulder | Yes |
| M87..112 | Osteonecrosis due to drugs, left shoulder | Yes |
| M87..119 | Osteonecrosis due to drugs, unspecified shoulder | Yes |
| M87..12 | Osteonecrosis due to drugs, humerus | No |
| M87..121 | Osteonecrosis due to drugs, right humerus | Yes |
| M87..122 | Osteonecrosis due to drugs, left humerus | Yes |
| M87..129 | Osteonecrosis due to drugs, unspecified humerus | Yes |
| M87..13 | Osteonecrosis due to drugs of radius, ulna and carpus | No |
| M87..131 | Osteonecrosis due to drugs of right radius | Yes |
| M87..132 | Osteonecrosis due to drugs of left radius | Yes |
| M87..133 | Osteonecrosis due to drugs of unspecified radius | Yes |
| M87..134 | Osteonecrosis due to drugs of right ulna | Yes |
| M87..135 | Osteonecrosis due to drugs of left ulna | Yes |
| M87..136 | Osteonecrosis due to drugs of unspecified ulna | Yes |
| M87..137 | Osteonecrosis due to drugs of right carpus | Yes |
| M87..138 | Osteonecrosis due to drugs of left carpus | Yes |
| M87..139 | Osteonecrosis due to drugs of unspecified carpus | Yes |
| M87..14 | Osteonecrosis due to drugs, hand and fingers | No |
| M87..141 | Osteonecrosis due to drugs, right hand | Yes |
| M87..142 | Osteonecrosis due to drugs, left hand | Yes |
| M87..143 | Osteonecrosis due to drugs, unspecified hand | Yes |
| M87..144 | Osteonecrosis due to drugs, right finger(s) | Yes |
| M87..145 | Osteonecrosis due to drugs, left finger(s) | Yes |
| M87..146 | Osteonecrosis due to drugs, unspecified finger(s) | Yes |
| M87..15 | Osteonecrosis due to drugs, pelvis and femur | No |
| M87..150 | Osteonecrosis due to drugs, pelvis | Yes |
| M87..151 | Osteonecrosis due to drugs, right femur | Yes |
| M87..152 | Osteonecrosis due to drugs, left femur | Yes |
| M87..159 | Osteonecrosis due to drugs, unspecified femur | Yes |
| M87..16 | Osteonecrosis due to drugs, tibia and fibula | No |
| M87..161 | Osteonecrosis due to drugs, right tibia | Yes |
| M87..162 | Osteonecrosis due to drugs, left tibia | Yes |
| M87..163 | Osteonecrosis due to drugs, unspecified tibia | Yes |
| M87..164 | Osteonecrosis due to drugs, right fibula | Yes |
| M87..165 | Osteonecrosis due to drugs, left fibula | Yes |
| M87..166 | Osteonecrosis due to drugs, unspecified fibula | Yes |
| M87..17 | Osteonecrosis due to drugs, ankle, foot and toes | No |
| M87..171 | Osteonecrosis due to drugs, right ankle | Yes |
| M87..172 | Osteonecrosis due to drugs, left ankle | Yes |
| M87..173 | Osteonecrosis due to drugs, unspecified ankle | Yes |
| M87..174 | Osteonecrosis due to drugs, right foot | Yes |
| M87..175 | Osteonecrosis due to drugs, left foot | Yes |
| M87..176 | Osteonecrosis due to drugs, unspecified foot | Yes |
| M87..177 | Osteonecrosis due to drugs, right toe(s) | Yes |
| M87..178 | Osteonecrosis due to drugs, left toe(s) | Yes |
| M87..179 | Osteonecrosis due to drugs, unspecified toe(s) | Yes |
| M87..18 | Osteonecrosis due to drugs, other site | No |
| M87..180 | Osteonecrosis due to drugs, jaw | Yes |
| M87..188 | Osteonecrosis due to drugs, other site | Yes |
| M87..19 | Osteonecrosis due to drugs, multiple sites | Yes |
| M87..2 | Osteonecrosis due to previous trauma | No |
| M87..20 | Osteonecrosis due to previous trauma, unspecified bone | Yes |
| M87..21 | Osteonecrosis due to previous trauma, shoulder | No |
| M87..211 | Osteonecrosis due to previous trauma, right shoulder | Yes |
| M87..212 | Osteonecrosis due to previous trauma, left shoulder | Yes |
| M87..219 | Osteonecrosis due to previous trauma, unspecified shoulder | Yes |
| M87..22 | Osteonecrosis due to previous trauma, humerus | No |
| M87..221 | Osteonecrosis due to previous trauma, right humerus | Yes |
| M87..222 | Osteonecrosis due to previous trauma, left humerus | Yes |
| M87..229 | Osteonecrosis due to previous trauma, unspecified humerus | Yes |
| M87..23 | Osteonecrosis due to previous trauma of radius, ulna and carpus | No |
| M87..231 | Osteonecrosis due to previous trauma of right radius | Yes |
| M87..232 | Osteonecrosis due to previous trauma of left radius | Yes |
| M87..233 | Osteonecrosis due to previous trauma of unspecified radius | Yes |
| M87..234 | Osteonecrosis due to previous trauma of right ulna | Yes |
| M87..235 | Osteonecrosis due to previous trauma of left ulna | Yes |
| M87..236 | Osteonecrosis due to previous trauma of unspecified ulna | Yes |
| M87..237 | Osteonecrosis due to previous trauma of right carpus | Yes |
| M87..238 | Osteonecrosis due to previous trauma of left carpus | Yes |
| M87..239 | Osteonecrosis due to previous trauma of unspecified carpus | Yes |
| M87..24 | Osteonecrosis due to previous trauma, hand and fingers | No |
| M87..241 | Osteonecrosis due to previous trauma, right hand | Yes |
| M87..242 | Osteonecrosis due to previous trauma, left hand | Yes |
| M87..243 | Osteonecrosis due to previous trauma, unspecified hand | Yes |
| M87..244 | Osteonecrosis due to previous trauma, right finger(s) | Yes |
| M87..245 | Osteonecrosis due to previous trauma, left finger(s) | Yes |
| M87..246 | Osteonecrosis due to previous trauma, unspecified finger(s) | Yes |
| M87..25 | Osteonecrosis due to previous trauma, pelvis and femur | No |
| M87..250 | Osteonecrosis due to previous trauma, pelvis | Yes |
| M87..251 | Osteonecrosis due to previous trauma, right femur | Yes |
| M87..252 | Osteonecrosis due to previous trauma, left femur | Yes |
| M87..256 | Osteonecrosis due to previous trauma, unspecified femur | Yes |
| M87..26 | Osteonecrosis due to previous trauma, tibia and fibula | No |
| M87..261 | Osteonecrosis due to previous trauma, right tibia | Yes |
| M87..262 | Osteonecrosis due to previous trauma, left tibia | Yes |
| M87..263 | Osteonecrosis due to previous trauma, unspecified tibia | Yes |
| M87..264 | Osteonecrosis due to previous trauma, right fibula | Yes |
| M87..265 | Osteonecrosis due to previous trauma, left fibula | Yes |
| M87..266 | Osteonecrosis due to previous trauma, unspecified fibula | Yes |
| M87..27 | Osteonecrosis due to previous trauma, ankle, foot and toes | No |
| M87..271 | Osteonecrosis due to previous trauma, right ankle | Yes |
| M87..272 | Osteonecrosis due to previous trauma, left ankle | Yes |
| M87..273 | Osteonecrosis due to previous trauma, unspecified ankle | Yes |
| M87..274 | Osteonecrosis due to previous trauma, right foot | Yes |
| M87..275 | Osteonecrosis due to previous trauma, left foot | Yes |
| M87..276 | Osteonecrosis due to previous trauma, unspecified foot | Yes |
| M87..277 | Osteonecrosis due to previous trauma, right toe(s) | Yes |
| M87..278 | Osteonecrosis due to previous trauma, left toe(s) | Yes |
| M87..279 | Osteonecrosis due to previous trauma, unspecified toe(s) | Yes |
| M87..28 | Osteonecrosis due to previous trauma, other site | Yes |
| M87..29 | Osteonecrosis due to previous trauma, multiple sites | Yes |
| M87..3 | Other secondary osteonecrosis | No |
| M87..30 | Other secondary osteonecrosis, unspecified bone | Yes |
| M87..31 | Other secondary osteonecrosis, shoulder | No |
| M87..311 | Other secondary osteonecrosis, right shoulder | Yes |
| M87..312 | Other secondary osteonecrosis, left shoulder | Yes |
| M87..319 | Other secondary osteonecrosis, unspecified shoulder | Yes |
| M87..32 | Other secondary osteonecrosis, humerus | No |
| M87..321 | Other secondary osteonecrosis, right humerus | Yes |
| M87..322 | Other secondary osteonecrosis, left humerus | Yes |
| M87..329 | Other secondary osteonecrosis, unspecified humerus | Yes |
| M87..33 | Other secondary osteonecrosis of radius, ulna and carpus | No |
| M87..331 | Other secondary osteonecrosis of right radius | Yes |
| M87..332 | Other secondary osteonecrosis of left radius | Yes |
| M87..333 | Other secondary osteonecrosis of unspecified radius | Yes |
| M87..334 | Other secondary osteonecrosis of right ulna | Yes |
| M87..335 | Other secondary osteonecrosis of left ulna | Yes |
| M87..336 | Other secondary osteonecrosis of unspecified ulna | Yes |
| M87..337 | Other secondary osteonecrosis of right carpus | Yes |
| M87..338 | Other secondary osteonecrosis of left carpus | Yes |
| M87..339 | Other secondary osteonecrosis of unspecified carpus | Yes |
| M87..34 | Other secondary osteonecrosis, hand and fingers | No |
| M87..341 | Other secondary osteonecrosis, right hand | Yes |
| M87..342 | Other secondary osteonecrosis, left hand | Yes |
| M87..343 | Other secondary osteonecrosis, unspecified hand | Yes |
| M87..344 | Other secondary osteonecrosis, right finger(s) | Yes |
| M87..345 | Other secondary osteonecrosis, left finger(s) | Yes |
| M87..346 | Other secondary osteonecrosis, unspecified finger(s) | Yes |
| M87..35 | Other secondary osteonecrosis, pelvis and femur | No |
| M87..350 | Other secondary osteonecrosis, pelvis | Yes |
| M87..351 | Other secondary osteonecrosis, right femur | Yes |
| M87..352 | Other secondary osteonecrosis, left femur | Yes |
| M87..353 | Other secondary osteonecrosis, unspecified femur | Yes |
| M87..36 | Other secondary osteonecrosis, tibia and fibula | No |
| M87..361 | Other secondary osteonecrosis, right tibia | Yes |
| M87..362 | Other secondary osteonecrosis, left tibia | Yes |
| M87..363 | Other secondary osteonecrosis, unspecified tibia | Yes |
| M87..364 | Other secondary osteonecrosis, right fibula | Yes |
| M87..365 | Other secondary osteonecrosis, left fibula | Yes |
| M87..366 | Other secondary osteonecrosis, unspecified fibula | Yes |
| M87..37 | Other secondary osteonecrosis, ankle and foot | No |
| M87..371 | Other secondary osteonecrosis, right ankle | Yes |
| M87..372 | Other secondary osteonecrosis, left ankle | Yes |
| M87..373 | Other secondary osteonecrosis, unspecified ankle | Yes |
| M87..374 | Other secondary osteonecrosis, right foot | Yes |
| M87..375 | Other secondary osteonecrosis, left foot | Yes |
| M87..376 | Other secondary osteonecrosis, unspecified foot | Yes |
| M87..377 | Other secondary osteonecrosis, right toe(s) | Yes |
| M87..378 | Other secondary osteonecrosis, left toe(s) | Yes |
| M87..379 | Other secondary osteonecrosis, unspecified toe(s) | Yes |
| M87..38 | Other secondary osteonecrosis, other site | Yes |
| M87..39 | Other secondary osteonecrosis, multiple sites | Yes |
| M87..8 | Other osteonecrosis | No |
| M87..80 | Other osteonecrosis, unspecified bone | Yes |
| M87..81 | Other osteonecrosis, shoulder | No |
| M87..811 | Other osteonecrosis, right shoulder | Yes |
| M87..812 | Other osteonecrosis, left shoulder | Yes |
| M87..819 | Other osteonecrosis, unspecified shoulder | Yes |
| M87..82 | Other osteonecrosis, humerus | No |
| M87..821 | Other osteonecrosis, right humerus | Yes |
| M87..822 | Other osteonecrosis, left humerus | Yes |
| M87..829 | Other osteonecrosis, unspecified humerus | Yes |
| M87..83 | Other osteonecrosis of radius, ulna and carpus | No |
| M87..831 | Other osteonecrosis of right radius | Yes |
| M87..832 | Other osteonecrosis of left radius | Yes |
| M87..833 | Other osteonecrosis of unspecified radius | Yes |
| M87..834 | Other osteonecrosis of right ulna | Yes |
| M87..835 | Other osteonecrosis of left ulna | Yes |
| M87..836 | Other osteonecrosis of unspecified ulna | Yes |
| M87..837 | Other osteonecrosis of right carpus | Yes |
| M87..838 | Other osteonecrosis of left carpus | Yes |
| M87..839 | Other osteonecrosis of unspecified carpus | Yes |
| M87..84 | Other osteonecrosis, hand and fingers | No |
| M87..841 | Other osteonecrosis, right hand | Yes |
| M87..842 | Other osteonecrosis, left hand | Yes |
| M87..843 | Other osteonecrosis, unspecified hand | Yes |
| M87..844 | Other osteonecrosis, right finger(s) | Yes |
| M87..845 | Other osteonecrosis, left finger(s) | Yes |
| M87..849 | Other osteonecrosis, unspecified finger(s) | Yes |
| M87..85 | Other osteonecrosis, pelvis and femur | No |
| M87..850 | Other osteonecrosis, pelvis | Yes |
| M87..851 | Other osteonecrosis, right femur | Yes |
| M87..852 | Other osteonecrosis, left femur | Yes |
| M87..859 | Other osteonecrosis, unspecified femur | Yes |
| M87..86 | Other osteonecrosis, tibia and fibula | No |
| M87..861 | Other osteonecrosis, right tibia | Yes |
| M87..862 | Other osteonecrosis, left tibia | Yes |
| M87..863 | Other osteonecrosis, unspecified tibia | Yes |
| M87..864 | Other osteonecrosis, right fibula | Yes |
| M87..865 | Other osteonecrosis, left fibula | Yes |
| M87..869 | Other osteonecrosis, unspecified fibula | Yes |
| M87..87 | Other osteonecrosis, ankle, foot and toes | No |
| M87..871 | Other osteonecrosis, right ankle | Yes |
| M87..872 | Other osteonecrosis, left ankle | Yes |
| M87..873 | Other osteonecrosis, unspecified ankle | Yes |
| M87..874 | Other osteonecrosis, right foot | Yes |
| M87..875 | Other osteonecrosis, left foot | Yes |
| M87..876 | Other osteonecrosis, unspecified foot | Yes |
| M87..877 | Other osteonecrosis, right toe(s) | Yes |
| M87..878 | Other osteonecrosis, left toe(s) | Yes |
| M87..879 | Other osteonecrosis, unspecified toe(s) | Yes |
| M87..88 | Other osteonecrosis, other site | Yes |
| M87..89 | Other osteonecrosis, multiple sites | Yes |
| M87..9 | Osteonecrosis, unspecified | Yes |
Last reviewed: September 2026