R26.89 – Other abnormalities of gait and mobility

Gain a better understanding of the ICD-10 code R26.89: Other abnormalities of gait and mobility, its uses, synonyms, and more.

By Patricia Buenaventura on Aug 8, 2025.

Fact Checked by Karina Jimenea.

Use Code

R26.89 diagnosis code: Other abnormalities of gait and mobility

The R26.89 diagnosis code is a medical code under the International Classification of Diseases, 10th Revision (ICD-10). It indicates the presence of other abnormalities of gait and mobility that cannot be classified under any other code in the ICD-10 system.

This code may describe various conditions, such as difficulty with walking, loss of balance, problems with coordination, weakness, stiffness, or other issues that affect a person's ability to move around normally.

Healthcare providers who use this code, such as physical therapists, podiatrists, orthopedists, and neurologists, may have to use additional codes to provide a more specific diagnosis or indicate the underlying cause of the gait or mobility abnormality. A healthcare provider or medical coder can provide more information on the appropriate use of this code for more accurate coding.

Is R26.89 billable?

Yes, this ICD-10-CM code is billable.

Clinical information

Various neurological, musculoskeletal, and cardiovascular conditions can cause gait abnormalities. Some of the common conditions that may result in gait abnormalities include:

Stroke or other neurological disorders
Parkinson's disease, postural instability gait disorder, or other movement disorders
Multiple sclerosis
Spinal cord injury or disease
Arthritis or other joint problems
Peripheral neuropathy or nerve damage
Trauma or injury to the legs or feet
Congenital disorders or developmental delays

The symptoms of gait abnormalities can vary widely depending on the underlying cause. Some people may experience difficulty with balance or coordination, while others may have weakness or stiffness in their legs, making walking difficult. In some cases, a patient's gait abnormalities may be temporary and can be resolved with treatment, while in other cases, they may be chronic and require ongoing management.

Treatment for gait abnormalities may include physical therapy, medication, assistive devices such as braces or canes, or surgery in some cases. For improved patient outcomes, a specific treatment approach may be needed based on the underlying cause of the gait abnormality and the patient's needs.

Synonyms include

Multifactorial gait disorder
Weakness gait disorder
Unsteady gait
Weakness gait disturbance
Ambulatory dysfunction

Other ICD-10 codes commonly used for gait and mobility

Here's a list of the following codes that can also be used for gait and mobility-related conditions:

R26.0: Ataxic gait
R26.1: Paralytic gait
R26.2: Difficulty in walking, not elsewhere classified
R26.81: Unsteadiness on feet
R26.9: Unspecified abnormalities of gait and mobility

Commonly asked questions

R26.89 is used for specific gait issues or types of gait abnormalities that don't fit into categories, while R26.9 is a code for when the gait abnormality is not functional/physiological or unknown.

To formulate an accurate diagnosis, healthcare providers may check the patient's medical history, conduct a physical exam, and perform other tests, like imaging tests, laboratory tests, balance assessments, etc.

The ICD-10 code used for ambulation difficulty is R26.2: Difficulty in walking not elsewhere classified.

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