M05.66 - Rheumatoid arthritis of knee with involvement of other organs and systems
- Applicable to Rheumatoid arthritis of knee with involvement of other organs and systems
- The 2025 edition of ICD10-CM M05.66 became effective on October 1, 2024.
- This is the American ICD10-CM version of M05.66 - other international versions of ICD10 M05.66 may differ.
- M05.66 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- M05.66 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.
- M05.66 - Rheumatoid arthritis of knee with involvement of other organs and systems
- M05.66 - 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
Non-Billable/Non-Specific Code
The following codes above M05.66 contain annotation back-references that may be applicable to M05.66:
- Chapter: M00-M99 - Diseases of the musculoskeletal system and connective tissue
- Section: M05-M14 - Inflammatory polyarthropathies
- Category: M05 - Rheumatoid arthritis with rheumatoid factor
Browse other similar CM codes:
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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