All ICD10 Codes

R26

Non-Billable
ChapterR00–R99
Rankcategory
Description

Abnormalities of gait and mobility

About ICD-10-CM code R26

Abnormalities of gait and mobility is classified in ICD-10-CM as code R26, part of R00-R99 Symptoms, Signs and Abnormal Clinical and Laboratory Findings, within Symptoms and signs involving the nervous and musculoskeletal systems (R25-R29). Its status is non-billable, meaning reporting it requires a deeper, more specific code.

Use a more specific code (4 billable, 1 non-billable)
R26.0Ataxic gaitR26.1Paralytic gaitR26.2Difficulty in walking, not elsewhere classifiedR26.8Other abnormalities of gait and mobilityhas subcodesR26.9Unspecified abnormalities of gait and mobility
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).

CH18 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • abnormal findings on antenatal screening of mother (O28.-)
  • certain conditions originating in the perinatal period (P04-P96)
  • signs and symptoms classified in the body system chapters
  • signs and symptoms of breast (N63, N64.5)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • ataxia NOS (R27.0)
  • hereditary ataxia (G11.-)
  • locomotor (syphilitic) ataxia (A52.11)
  • immobility syndrome (paraplegic) (M62.3)

Clinical Hierarchy

BillableHas subcodes
CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R25-R29Symptoms and signs involving the nervous and musculoskeletal systems (R25-R29)
R26Abnormalities of gait and mobilityNot billable
R26.0Ataxic gaitBillable
R26.1Paralytic gaitBillable
R26.2Difficulty in walking, not elsewhere classifiedBillable
R26.8Other abnormalities of gait and mobilitySubcodes
R26.9Unspecified abnormalities of gait and mobilityBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R26:

chapterCH18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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