M05.64 Rheumatoid arthritis of hand with involvement of other organs and systems

Non-billable header with 3 child codes.

Applicable to

• Rheumatoid arthritis of metacarpus and phalanges with involvement of other organs and systems

Applies from M05 Rheumatoid arthritis with rheumatoid factor

Excludes1 (never code together)

• rheumatic fever (I00)
• juvenile rheumatoid arthritis (M08.-)
• rheumatoid arthritis of spine (M45.-)

Codes under M05.64

• M05.641 Rheumatoid arthritis of right hand with involvement of other organs and systems
• M05.642 Rheumatoid arthritis of left hand with involvement of other organs and systems
• M05.649 Rheumatoid arthritis of unspecified hand with involvement of other organs and systems

Code annotations containing back-references to M05.64

Back-references to M05

• Code Also: I27.21 Secondary pulmonary arterial hypertension ("rheumatoid arthritis (M05.-)")
• Type 1 Excludes: R76.81 Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritis ("rheumatoid arthritis with rheumatoid factor (M05.-)")

Diagnosis Index entries for M05.64

• Rheumatoid › arthritis › with involvement of organs NEC › hand joint

Nearby codes

• M05.629 Rheumatoid arthritis of unspecified elbow with involvement of other organs and systems
• M05.63 Rheumatoid arthritis of wrist with involvement of other organs and systems
• M05.631 Rheumatoid arthritis of right wrist with involvement of other organs and systems
• M05.632 Rheumatoid arthritis of left wrist with involvement of other organs and systems
• M05.639 Rheumatoid arthritis of unspecified wrist with involvement of other organs and systems
• M05.64 Rheumatoid arthritis of hand with involvement of other organs and systems (this code)
• M05.641 Rheumatoid arthritis of right hand with involvement of other organs and systems
• M05.642 Rheumatoid arthritis of left hand with involvement of other organs and systems
• M05.649 Rheumatoid arthritis of unspecified hand with involvement of other organs and systems
• M05.65 Rheumatoid arthritis of hip with involvement of other organs and systems
• M05.651 Rheumatoid arthritis of right hip with involvement of other organs and systems