ICD-10/R26.81

R26.81 ICD 2026 Code: Unsteadiness on feet

R26.81 is the authoritative medical code for Unsteadiness on feet. This classification is used in medical billing and clinical recording to specify the clinical criteria for unsteadiness on feet (ICD-10-CM R26.81), ensuring healthcare documentation aligns with 2026 federal coding standards.

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

Official Registry Overview & Definition

Unsteadiness on feet is a billable ICD-10-CM diagnosis code R26.81. Excludes1 (not coded here): ataxia NOS R27.0; hereditary ataxia G11.-; locomotor syphilitic ataxia A52.11; immobility syndrome paraplegic M62.3.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for R26.81 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.

  • ataxia NOS R27.0
  • hereditary ataxia G11.-
  • locomotor syphilitic ataxia A52.11
  • immobility syndrome paraplegic M62.3

Frequently Asked Questions (FAQ) & Clinical Guidance

What can't be coded together with R26.81?

Per Excludes1 instructions, R26.81 must not be reported with: ataxia NOS (R27.0); hereditary ataxia (G11.-); locomotor (syphilitic) ataxia (A52.11); immobility syndrome (paraplegic) (M62.3).

Codes in This Family (7)

Official ICD-10-CM classifications in the same code family as R26.81, with their registry titles.

  • R26 — Abnormalities of gait and mobility
  • R26.0 — Ataxic gait
  • R26.1 — Paralytic gait
  • R26.2 — Difficulty in walking, not elsewhere classified
  • R26.8 — Other abnormalities of gait and mobility
  • R26.89 — Other abnormalities of gait and mobility
  • R26.9 — Unspecified abnormalities of gait and mobility

Indexed Clinical Terms (2)

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.

  • Gait abnormality, unsteadiness
  • Unsteadiness on feet

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

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