R26.0: Ataxic gait

R26.0, ataxic gait, is listed as a covered diagnosis in 13 Medicare billing and coding articles that apply to 42 HCPCS Level II codes, including G0127 (Trimming of dystrophic nails, any number), G0283 (Electrical stimulation (unattended), to one or more areas…), C8900 (Magnetic resonance angiography with contrast, abdomen). The articles come from 5 Medicare contractors. A listed diagnosis supports medical necessity only; coverage still depends on the LCD's criteria and on documentation in the medical record.

HCPCS Level II codes with R26.0 as a covered diagnosis

CodeDescriptionMedicare coverageDMEPOS fee 2026 (state range)Articles listing it
G0127Trimming of dystrophic nails, any numberSpecial coverage instructions apply—2
G0283Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of careCarrier judgment—3
C8900Magnetic resonance angiography with contrast, abdomenSpecial coverage instructions apply—1
C8901Magnetic resonance angiography without contrast, abdomenSpecial coverage instructions apply—1
C8902Magnetic resonance angiography without contrast followed by with contrast, abdomenSpecial coverage instructions apply—1
C8909Magnetic resonance angiography with contrast, chest (excluding myocardium)Special coverage instructions apply—1
C8910Magnetic resonance angiography without contrast, chest (excluding myocardium)Special coverage instructions apply—1
C8911Magnetic resonance angiography without contrast followed by with contrast, chest (excluding myocardium)Special coverage instructions apply—1
C8912Magnetic resonance angiography with contrast, lower extremitySpecial coverage instructions apply—1
C8913Magnetic resonance angiography without contrast, lower extremitySpecial coverage instructions apply—1
C8914Magnetic resonance angiography without contrast followed by with contrast, lower extremitySpecial coverage instructions apply—1
C8918Magnetic resonance angiography with contrast, pelvisSpecial coverage instructions apply—1
C8919Magnetic resonance angiography without contrast, pelvisSpecial coverage instructions apply—1
C8920Magnetic resonance angiography without contrast followed by with contrast, pelvisSpecial coverage instructions apply—1
C8931Magnetic resonance angiography with contrast, spinal canal and contentsSpecial coverage instructions apply—1
C8932Magnetic resonance angiography without contrast, spinal canal and contentsSpecial coverage instructions apply—1
C8933Magnetic resonance angiography without contrast followed by with contrast, spinal canal and contentsSpecial coverage instructions apply—1
C8934Magnetic resonance angiography with contrast, upper extremitySpecial coverage instructions apply—1
C8935Magnetic resonance angiography without contrast, upper extremitySpecial coverage instructions apply—1
C8936Magnetic resonance angiography without contrast followed by with contrast, upper extremitySpecial coverage instructions apply—1
G0281Electrical stimulation, (unattended), to one or more areas, for chronic stage iii and stage iv pressure ulcers, arterial ulcers, diabetic ulcers, and venous stasis ulcers not demonstrating measurable signs of healing after 30 days of conventional care, as part of a therapy plan of careCarrier judgment—2
G0329Electromagnetic therapy, to one or more areas for chronic stage iii and stage iv pressure ulcers, arterial ulcers, diabetic ulcers and venous stasis ulcers not demonstrating measurable signs of healing after 30 days of conventional care as part of a therapy plan of careCarrier judgment—2
A9585Injection, gadobutrol, 0.1 mlCarrier judgment—1
Q9953Injection, iron-based magnetic resonance contrast agent, per mlSpecial coverage instructions apply—1
G2187Patients with clinical indications for imaging of the head: head traumaCarrier judgment—1

17 more codes are listed. See every code with payment by region in Caduvo.

Medicare policy articles listing R26.0

A diagnosis listed as covered in a billing and coding article supports medical necessity for the article's codes; it does not guarantee payment. Coverage depends on the LCD's criteria, the contractor's jurisdiction and documentation in the medical record.

Other R26 diagnoses (Abnormalities of gait and mobility)

Frequently asked questions

Does Medicare cover R26.0 (Ataxic gait)?

Medicare covers items and services, not diagnoses. 13 Medicare billing and coding articles list R26.0 as a covered diagnosis for 42 HCPCS Level II codes: the diagnosis can support medical necessity for those codes, but payment still depends on the LCD's coverage criteria and the medical record.

Which HCPCS codes can be billed with ICD-10 R26.0?

The Level II codes from the policies most specific to this diagnosis are G0127 (Trimming of dystrophic nails, any number, 2 articles); G0283 (Electrical stimulation (unattended), to one or more areas…, 3 articles); C8900 (Magnetic resonance angiography with contrast, abdomen, 1 article); C8901 (Magnetic resonance angiography without contrast, abdomen, 1 article); C8902 (Magnetic resonance angiography without contrast followed…, 1 article). Code choice depends on the item supplied; check each code's descriptor.

Which Medicare policy articles list R26.0?

A57759 (Billing and Coding: Routine Foot Care and Debridement of Nails); A57954 (Billing and Coding: Routine Foot Care); A57307 (Billing and Coding: Nerve Conduction Studies and Electromyography), and 10 more articles.

What is ICD-10-CM code R26.0?

R26.0 is the ICD-10-CM code for ataxic gait, in category R26 (Abnormalities of gait and mobility), chapter 18: Symptoms, signs and abnormal findings.

Next steps

Sources: CMS Medicare Coverage Database billing and coding articles (covered ICD-10 code lists and HCPCS links); ICD-10-CM FY2026; CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026 (non-rural state fees). Not billing or legal advice.

Chapter 18: Symptoms, signs and abnormal findings · All diagnoses · HCPCS lookup