2026 ICD-10-CM Diagnosis Code G60.1Refsum's disease

ICD-10-CM Codes›G00–G99›G60-G65›G60

ICD-10-CM G60.1
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

G60.1 is a billable ICD-10-CM diagnosis code for Refsum's disease. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Polyneuropathies.

Code Identity

ICD-10-CM Code
G60.1
Billable Status
Yes — Valid for Submission
Code Describes
Refsum's disease
Short Description
Refsum's disease
Same as the full description in the CMS dataset.
Parent Code
G60
Hereditary and idiopathic neuropathy

Code Classification

ChapterG00–G99Diseases of the nervous system
SectionG60-G65Polyneuropathies and other disorders of the peripheral nervous system
CategoryG60Hereditary and idiopathic neuropathy
This CodeG60.1Refsum's disease

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Ataxia co-occurrent and due to phytanic acid storage disease
  • Autonomic neuropathy due to Refsum Disease
  • Cardiomyopathy due to storage disease
  • Dilated cardiomyopathy due to metabolic disorder
  • Dilated cardiomyopathy due to phytanic acid storage disease
  • HSMN IV
  • Infantile Refsum's disease
  • Loss of multiple peroxisomal functions
  • Ophthalmoplegia due to neuropathy
  • Ophthalmoplegia due to phytanic acid storage disease
  • Pseudoinfantile Refsum's disease

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Infantile Refsum disease

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Disease, diseased
      • Refsum's (heredopathia atactica polyneuritiformis)
    • Heredopathia atactica polyneuritiformis
    • Neuropathy, neuropathic
      • hypertrophic
        • Refsum
    • Polyneuritis, polyneuritic
      • hereditary ataxic
    • Refsum's disease or syndrome
    • Syndrome
      • Refsum's

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR NVS015
Polyneuropathies
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Peripheral Nerve Disorders

Nerves are like wires that carry messages back and forth between your brain and your body. Your peripheral nerves branch off from your brain and spinal cord and connect to all parts of your body, including your muscles and organs.

The full article covers:

  • What are peripheral nerves?
  • What are peripheral nerve disorders?
  • What causes peripheral nerve disorders?
  • What are the symptoms of peripheral nerve disorders?
  • How are peripheral nerve disorders diagnosed?
  • What are the treatments for peripheral nerve disorders?
  • Can peripheral nerve disorders be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert G60.1 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
356.3 Refsum's disease
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About G60.1Overview

Is G60.1 (Hereditary and idiopathic neuropathy) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report Refsum's disease on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What is the ICD-9 equivalent of G60.1?

Under the General Equivalence Mappings, Refsum's disease converts to ICD-9-CM 356.3 (Refsum's disease). The mapping is a direct match.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.