M05.522 Rheumatoid polyneuropathy with rheumatoid arthritis of left elbow

Billable ICD-10-CM code, FY2026.

Applies from M05 Rheumatoid arthritis with rheumatoid factor

Excludes1 (never code together)

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

Risk adjustment (HCC)

• CMS-HCC V22: HCC 75 — Myasthenia Gravis/Myoneural Disorders, Inflammatory and Toxic Neuropathy
• RxHCC V08: HCC 158 — Inflammatory and Toxic Neuropathy
• ESRD V24: HCC 75

MS-DRG index

Defines the logic of DRG(s) 545-547 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 357.1 Polyneuropathy in collagen vascular disease (approximate)
• 714.0 Rheumatoid arthritis (approximate)

Code annotations containing back-references to M05.522

Back-references to M05.5

• Type 1 Excludes: G63 Polyneuropathy in diseases classified elsewhere ("rheumatoid arthritis (M05.5-)")

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.-)")

Nearby codes

• M05.511 Rheumatoid polyneuropathy with rheumatoid arthritis of right shoulder
• M05.512 Rheumatoid polyneuropathy with rheumatoid arthritis of left shoulder
• M05.519 Rheumatoid polyneuropathy with rheumatoid arthritis of unspecified shoulder
• M05.52 Rheumatoid polyneuropathy with rheumatoid arthritis of elbow
• M05.521 Rheumatoid polyneuropathy with rheumatoid arthritis of right elbow
• M05.522 Rheumatoid polyneuropathy with rheumatoid arthritis of left elbow (this code)
• M05.529 Rheumatoid polyneuropathy with rheumatoid arthritis of unspecified elbow
• M05.53 Rheumatoid polyneuropathy with rheumatoid arthritis of wrist
• M05.531 Rheumatoid polyneuropathy with rheumatoid arthritis of right wrist
• M05.532 Rheumatoid polyneuropathy with rheumatoid arthritis of left wrist
• M05.539 Rheumatoid polyneuropathy with rheumatoid arthritis of unspecified wrist