MCMedicalCodingSoftware
R27

R27: Other lack of coordination

Non-billable headerICD-10-CM

R27 is a non-billable header ICD-10-CM code for other lack of coordination. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • ataxic gait (R26.0)
  • hereditary ataxia (G11.-)
  • vertigo NOS (R42)

Other codes that can never be billed with R27

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

  • F82Specific developmental disorder of motor function
  • R26Abnormalities of gait and mobility

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 R27

3 child codes. Green means billable.

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.