Is M14.66 a billable code?
No. M14.66 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
M14.66: Charcot's joint, knee
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
M14.66 groups related diagnoses under charcot's joint, knee. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under M14.66
- M14.661Charcot's joint, right knee
- M14.662Charcot's joint, left knee
- M14.669Charcot's joint, unspecified knee
Other codes in M14.6 Charcot's joint
- M14.60Charcot's joint, unspecified site
- M14.61Charcot's joint, shoulderheader
- M14.62Charcot's joint, elbowheader
- M14.63Charcot's joint, wristheader
- M14.64Charcot's joint, handheader
- M14.65Charcot's joint, hipheader
- M14.67Charcot's joint, ankle and footheader
- M14.68Charcot's joint, vertebrae
- M14.69Charcot's joint, multiple sites
M14.66 questions
What does M14.66 mean?
M14.66 is the ICD-10-CM code for Charcot's joint, knee. It is in chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.