M17.1 Unilateral primary osteoarthritis of knee

Non-billable header with 3 child codes.

Applicable to

• Primary osteoarthritis of knee NOS

Codes under M17.1

• M17.10 Unilateral primary osteoarthritis, unspecified knee
• M17.11 Unilateral primary osteoarthritis, right knee
• M17.12 Unilateral primary osteoarthritis, left knee

Code annotations containing back-references to M17.1

Back-references to M17

• Type 1 Excludes: M12 Other and unspecified arthropathy ("arthrosis (M15-M19)")
• Type 1 Excludes: M13 Other arthritis ("arthrosis (M15-M19)")
• Type 1 Excludes: M13 Other arthritis ("osteoarthritis (M15-M19)")
• Type 1 Excludes: M13.8 Other specified arthritis ("osteoarthritis (M15-M19)")
• Type 1 Excludes: M15 Polyosteoarthritis ("bilateral involvement of single joint (M16-M19)")

Diagnosis Index entries for M17.1

• Osteoarthritis › knee › primary
• Osteoarthritis › knee › unilateral
• Osteoarthritis › knee › unilateral › primary
• Osteoarthritis › primary › knee

Nearby codes

• M17 Osteoarthritis of knee
• M17.0 Bilateral primary osteoarthritis of knee
• M17.1 Unilateral primary osteoarthritis of knee (this code)
• 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