ICD-10 Code
International Classification of Diseases, 10th Revision
Aug 21, 2017
M05.66 is NOT a complete or valid ICD 10 diagnosis code.

You should code each health care encounter to the level of certainty known for that encounter. When sufficient clinical information is not known or available to assign a more specific code, it is acceptable to report the appropriate unspecified code.

See below for more specifc codes relating to
Rheumatoid arthritis of knee with involvement of other organs and systems

More specific codes for Rheumatoid arthritis of knee with involvement of other organs and systems

  • M05.661 - Rheumatoid arthritis of right knee with involvement of other organs and systems
  • M05.662 - Rheumatoid arthritis of left knee with involvement of other organs and systems
  • M05.669 - Rheumatoid arthritis of unspecified knee with involvement of other organs and systems
See also ICD 10 code for

Related Terms to “Rheumatoid arthritis of knee with involvement of other organs and systems”

See the 2017 ICD-10-CM Coding Guidelines.

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.