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ICD-10-CM Codes
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M00-M99
Diseases of the musculoskeletal system and connective tissue
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M15-M19
Osteoarthritis
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M17-
Osteoarthritis of knee
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2022 ICD-10-CM Diagnosis Code M17.1
2022 ICD-10-CM Diagnosis Code M17.1
Unilateral primary osteoarthritis of knee
2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
- M17.1 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2022 edition of ICD-10-CM M17.1 became effective on October 1, 2021.
- This is the American ICD-10-CM version of M17.1 - other international versions of ICD-10 M17.1 may differ.
Applicable To- Primary osteoarthritis of knee NOS
The following code(s) above
M17.1 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
M17.1:
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- Osteoarthritis M19.90
ICD-10-CM Diagnosis Code M19.90
Unspecified osteoarthritis, unspecified site
2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
Applicable To- Arthrosis NOS
- Arthritis NOS
- Osteoarthritis NOS
- knee M17.1-
- primary M19.91
ICD-10-CM Diagnosis Code M19.91
Primary osteoarthritis, unspecified site
2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
Applicable To- Primary osteoarthritis NOS
ICD-10-CM Codes Adjacent To M17.1
M16.4 Bilateral post-traumatic osteoarthritis of hip
M16.5 Unilateral post-traumatic osteoarthritis of hip
M16.50 Unilateral post-traumatic osteoarthritis, unspecified hip
M16.51 Unilateral post-traumatic osteoarthritis, right hip
M16.52 Unilateral post-traumatic osteoarthritis, left hip
M16.6 Other bilateral secondary osteoarthritis of hip
M16.7 Other unilateral secondary osteoarthritis of hip
M16.9 Osteoarthritis of hip, unspecified
M17 Osteoarthritis of knee
M17.0 Bilateral primary osteoarthritis of knee
M17.1
Unilateral primary osteoarthritis of knee
M17.10 Unilateral primary osteoarthritis, unspecified knee
M17.11 Unilateral primary osteoarthritis, right knee
M17.12 Unilateral primary osteoarthritis, left knee
M17.2 Bilateral post-traumatic osteoarthritis of knee
M17.3 Unilateral post-traumatic osteoarthritis of knee
M17.30 Unilateral post-traumatic osteoarthritis, unspecified knee
M17.31 Unilateral post-traumatic osteoarthritis, right knee
M17.32 Unilateral post-traumatic osteoarthritis, left knee
M17.4 Other bilateral secondary osteoarthritis of knee
M17.5 Other unilateral secondary osteoarthritis of knee
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
