R26.81 Unsteadiness on feet

Billable ICD-10-CM code, FY2026.

Applies from R26 Abnormalities of gait and mobility

Excludes1 (never code together)

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

MS-DRG index

Defines the logic of DRG(s) 091-093 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 781.2 Abnormality of gait (approximate)

Code annotations containing back-references to R26.81

Back-references to R26.81

• Type 1 Excludes: R26.2 Difficulty in walking, not elsewhere classified ("unsteadiness on feet (R26.81)")

Back-references to R26

• Type 1 Excludes: F82 Specific developmental disorder of motor function ("abnormalities of gait and mobility (R26.-)")
• Type 2 Excludes: M25 Other joint disorder, not elsewhere classified ("abnormality of gait and mobility (R26.-)")

Diagnosis Index entries for R26.81

• Gait abnormality › unsteadiness
• Unsteadiness on feet

Nearby codes

• 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
• R26.81 Unsteadiness on feet (this code)
• R26.89 Other abnormalities of gait and mobility
• R26.9 Unspecified abnormalities of gait and mobility