Specific code icon 2015 ICD-10-CM Diagnosis Code M17.9

Osteoarthritis of knee, unspecified

    2015 Billable Code

  • M17.9 is a billable ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • On October 1, 2015 ICD-10-CM will replace ICD-9-CM in the United States, therefore, M17.9 - and all other ICD-10-CM codes - should only be used for training or planning purposes until then.
  • This is the American ICD-10-CM version of M17.9. Other international ICD-10 versions may differ.

Clinical Information
  • Noninflammatory degenerative disease of the knee joint consisting of three large categories: conditions that block normal synchronous movement, conditions that produce abnormal pathways of motion, and conditions that cause stress concentration resulting in changes to articular cartilage. (Crenshaw, Campbell's Operative Orthopaedics, 8th ed, p2019)
Description Synonyms
  • Arthritis of left knee
  • Arthritis of right knee
ICD-10-CM M17.9 is grouped within Diagnostic Related Group(s) (MS-DRG v30.0):
  • 553 Bone diseases & arthropathies with mcc
  • 554 Bone diseases & arthropathies without mcc

Convert ICD-10-CM M17.9 to ICD-9-CM

The following ICD-10-CM Index entries contain back-references to ICD-10-CM M17.9: