ICD-10 code

what ICD 10 code would you report for a subchondral insufficiency fracture of condyle of right femur?  Patient is having a subchondroplasy.  Thanks for the help.


  • I have read that insufficiency fx is a type of stress fx so I use M84.35-.  Subchondroplasties are an ongoing discussion around here.  What CPT do you use?
  • The doctor is performing these arthroscopically so I have been using the unlisted CPT code 29999 and comparing to 29855.  How do you code them??   

  • That's how I have told my doctors to code them, but they refuse to use unlisted codes so I just use 29855
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