2026 ICD-10-CM Diagnosis Code G98.0Neurogenic arthritis, not elsewhere classified
ICD-10-CM Codes›G00–G99›G89-G99›G98
- Billable — Valid for Submission
- Chronic Condition
G98.0 is a billable ICD-10-CM diagnosis code for neurogenic arthritis, not elsewhere classified. 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 Neurogenic/neuropathic arthropathy and Other nervous system disorders (neither hereditary nor degenerative).
Code Identity
Code Classification
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- Nonsyphilitic neurogenic arthropathy NEC
- Nonsyphilitic neurogenic spondylopathy NEC
Type 1 Excludes
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
- Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) - M19.90
- neurological disorder NEC - G98.0
- neuropathic (Charcot) - See: Arthropathy, neuropathic;
- nonsyphilitic NEC - G98.0
- Arthropathy - See Also: Arthritis; - M12.9
- neuropathic (Charcot) - M14.60
- nonsyphilitic NEC - G98.0
External Cause of Injuries IndexGuidance
References for this code in the External Cause of Injuries Index.
- Arthritis, arthritic(acute) (chronic) (nonpyogenic) (subacute)
- in (due to)
- neurological disorder NEC
- Arthritis, arthritic(acute) (chronic) (nonpyogenic) (subacute)
- neuropathic (Charcot)
- nonsyphilitic NEC
- Arthropathy
- neuropathic (Charcot)
- nonsyphilitic NEC
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Neurologic Diseases
The brain, spinal cord, and nerves make up the nervous system. Together they control all the workings of the body. When something goes wrong with a part of your nervous system, you can have trouble moving, speaking, swallowing, breathing, or learning. You can also have problems with your memory, senses, or mood.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert G98.0 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About G98.0Overview
Is G98.0 (Other disorders of nervous system not elsewhere classified) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report neurogenic arthritis, not elsewhere classified on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What is the ICD-9 equivalent of G98.0?
Under the General Equivalence Mappings, neurogenic arthritis, not elsewhere classified converts to ICD-9-CM 349.89 (cns disorder NEC). The mapping is approximate, so confirm the match fits the documentation.
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.
