G98.0
BillableNeurogenic arthritis, not elsewhere classified
Last updated: FY2026 ICD-10-CM (Oct 1, 2025 – Sep 30, 2026) | CMS-HCC V28 (100% phase-in, PY2026)
Is G98.0 an HCC code?
No. G98.0 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
G98.0 is the ICD-10-CM diagnosis code for neurogenic arthritis, not elsewhere classified. Joint damage and arthritis caused by loss of normal nerve sensation and protective reflexes, leading to repeated injury and joint deterioration. G98.0 sits in the ICD-10-CM chapter for diseases of the nervous system (g00-g99), within the section covering other disorders of the nervous system (g89-g99).
G98.0 is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.
Identify the underlying neurological condition causing the sensory loss (diabetes, syphilis, leprosy, etc.).
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for G98.0 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •Identify the underlying neurological condition causing the sensory loss (diabetes, syphilis, leprosy, etc.)
- •Document which joints are affected and the severity of the arthropathy