M19.21 Secondary osteoarthritis, shoulder

Non-billable header with 3 child codes.

Applies from M19 Other and unspecified osteoarthritis

Excludes1 (never code together)

• polyarthritis (M15.-)

Excludes2 (not included here)

• arthrosis of spine (M47.-)
• hallux rigidus (M20.2)
• osteoarthritis of spine (M47.-)

Codes under M19.21

• M19.211 Secondary osteoarthritis, right shoulder
• M19.212 Secondary osteoarthritis, left shoulder
• M19.219 Secondary osteoarthritis, unspecified shoulder

Code annotations containing back-references to M19.21

Back-references to M19

• 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 M19.21

• Osteoarthritis › secondary › shoulder
• Osteoarthritis › shoulder › secondary

Nearby codes

• M19.171 Post-traumatic osteoarthritis, right ankle and foot
• M19.172 Post-traumatic osteoarthritis, left ankle and foot
• M19.179 Post-traumatic osteoarthritis, unspecified ankle and foot
• M19.19 Post-traumatic osteoarthritis, other specified site
• M19.2 Secondary osteoarthritis of other joints
• M19.21 Secondary osteoarthritis, shoulder (this code)
• M19.211 Secondary osteoarthritis, right shoulder
• M19.212 Secondary osteoarthritis, left shoulder
• M19.219 Secondary osteoarthritis, unspecified shoulder
• M19.22 Secondary osteoarthritis, elbow
• M19.221 Secondary osteoarthritis, right elbow