ICD-10/M05.422

M05.422 ICD-10-CM Code: Rheumatoid myopathy with rheumatoid arthritis of left elbow

M05.422 is the authoritative medical code for Rheumatoid myopathy with rheumatoid arthritis of left elbow. This classification is used in medical billing and clinical recording to specify the clinical criteria for rheumatoid myopathy with rheumatoid arthritis of left elbow (ICD-10-CM M05.422), ensuring healthcare documentation aligns with current federal coding standards.

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Official Registry Overview & Definition

Rheumatoid myopathy with rheumatoid arthritis of left elbow is a billable ICD-10-CM diagnosis code M05.422. Excludes1 (not coded here): rheumatic fever I00; juvenile rheumatoid arthritis M08.-; rheumatoid arthritis of spine M45.-.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for M05.422 in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

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

Frequently Asked Questions (FAQ) & Clinical Guidance

What can't be coded together with M05.422?

Per official ICD-10-CM Excludes1 instructions, M05.422 must not be reported together with: rheumatic fever (I00); juvenile rheumatoid arthritis (M08.-); rheumatoid arthritis of spine (M45.-).

Nearest Codes in This Family

Official ICD-10-CM classifications closest to M05.422 in its code family, with their registry titles.

  • M05.072 — Felty's syndrome, left ankle and foot
  • M05.079 — Felty's syndrome, unspecified ankle and foot
  • M05.09 — Felty's syndrome, multiple sites
  • M05.1 — Rheumatoid lung disease with rheumatoid arthritis
  • M05.10 — Rheumatoid lung disease with rheumatoid arthritis of unspecified site
  • M05.11 — Rheumatoid lung disease with rheumatoid arthritis of shoulder
  • M05.111 — Rheumatoid lung disease with rheumatoid arthritis of right shoulder
  • M05.112 — Rheumatoid lung disease with rheumatoid arthritis of left shoulder
  • M05.119 — Rheumatoid lung disease with rheumatoid arthritis of unspecified shoulder
  • M05.12 — Rheumatoid lung disease with rheumatoid arthritis of elbow

View all 40 codes in the M05 family