ICD-10 M17.11
Billable / SpecificUnilateral primary osteoarthritis, right knee
About ICD-10-CM M17.11
ICD-10-CM code M17.11 represents Unilateral primary osteoarthritis, right knee. This is a billable/specific code in the Musculoskeletal and Connective Tissue chapter (block M17). The 2026 edition of ICD-10-CM M17.11 became effective on October 1, 2025.
Medicare LCD Coverage for M17.11
Local Coverage Determinations (LCDs) from CMS MACs that list M17.11 as a covered diagnosis.
Showing top 10 of 496 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing M17.11.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with M17.11
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 27447 Total knee arthroplasty — osteoarthritis Orthopaedic Surgery
- 20610 Joint injection major — knee OA, hip OA, shoulder OA, shoulder impingement, joint pain, meniscal derangement, synovitis, bursitis Orthopedics
- 27447 Total knee arthroplasty — primary knee OA unilateral/bilateral, post-traumatic OA, osteonecrosis Orthopedics
- 27446 Revision knee arthroplasty — failed TKA, mechanical loosening, component failure Orthopedics
- 73721 MRI knee without contrast — knee pain, meniscal derangement, meniscal tear, patellar tendinitis, knee OA, ACL injury Orthopedics
- 97110 Therapeutic exercises — back pain, neck pain, joint pain, rotator cuff, knee OA, limb pain, meniscal tear, shoulder injury, ankle sprain, hemiplegia, paraplegia, post joint replacement, muscle weakness Physical Therapy
- 97161 PT evaluation low complexity — back pain, neck pain, joint pain, rotator cuff, meniscal tear, ankle sprain, limb pain, knee OA, weakness Physical Therapy
- 97162 PT evaluation moderate complexity — same plus post-fracture, post-replacement, hemiplegia Physical Therapy
- J7322 CMS LCD: Billing and Coding: Intraarticular Knee Injections of Hyaluronan CMS LCD
- J7320 CMS LCD: Billing and Coding: Intraarticular Knee Injections of Hyaluronan CMS LCD
Convert M17.11 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| M17.11 | 71516 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To M17.11
Other codes in section M15-M19 (Osteoarthritis).
ICD-10 M17.11, Billing FAQ
Is ICD-10 code M17.11 billable? +
Yes, M17.11 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What CPT codes are commonly billed with M17.11? +
Procedures frequently paired with M17.11 include: 27447, 20610, 27447, 27446, 73721.
What ICD-9 codes does M17.11 map to? +
Per CMS GEMs, M17.11 maps to ICD-9 codes: 71516. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
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