MCMedicalCodingSoftware
M05.13

M05.13: Rheumatoid lung disease with rheumatoid arthritis of wrist

Non-billable headerICD-10-CM

M05.13 is a non-billable header ICD-10-CM code for rheumatoid lung disease with rheumatoid arthritis of wrist. It cannot be billed on its own: choose one of the more specific child codes below.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Rheumatoid lung disease with rheumatoid arthritis, carpal bones

Excludes1 inherited from the categories above M05.13

A category’s note binds every code beneath it.

Written on M05: Rheumatoid arthritis with rheumatoid factor

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

Other codes that can never be billed with M05.13

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • R76.81Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritis

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead M05.13

3 child codes. Green means billable.

Other codes under M05.1

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.