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200 HCC

Friedreich and Other Hereditary Ataxias; Huntington Disease

CMS Model V28 17 Associated ICD-10 Diagnoses

Relative Risk Score Factors (Coefficients for HCC 200)

Enrollment Model Type Coeff Tag Year Weight Score
CFA HCC200 2026 + 0.165
CFD HCC200 2026 + 0.281
CNA HCC200 2026 + 0.279
CND HCC200 2026 + 0.208
CPA HCC200 2026 + 0.050
CPD HCC200 2026 + 0.428
INS HCC200 2026 + 0.000

Mapped ICD-10-CM Diagnoses (17)

The following diagnoses map directly to HCC 200 under the V28 risk adjustment model:

ICD-10 Code Clinical Diagnosis Description Guideline
G10 Huntington's disease Notes ↗
G11.0 Congenital nonprogressive ataxia Notes ↗
G11.10 Early-onset cerebellar ataxia, unspecified Notes ↗
G11.11 Friedreich ataxia Notes ↗
G11.19 Other early-onset cerebellar ataxia Notes ↗
G11.2 Late-onset cerebellar ataxia Notes ↗
G11.3 Cerebellar ataxia with defective DNA repair Notes ↗
G11.4 Hereditary spastic paraplegia Notes ↗
G11.5 Hypomyelination - hypogonadotropic hypogonadism - hypodontia Notes ↗
G11.6 Leukodystrophy with vanishing white matter disease Notes ↗
G11.8 Other hereditary ataxias Notes ↗
G11.9 Hereditary ataxia, unspecified Notes ↗
G31.80 Leukodystrophy, unspecified Notes ↗
G90.B LMNB1-related autosomal dominant leukodystrophy Notes ↗
G93.42 Megalencephalic leukoencephalopathy with subcortical cysts Notes ↗
G93.43 Leukoencephalopathy with calcifications and cysts Notes ↗
G93.44 Adult-onset leukodystrophy with axonal spheroids Notes ↗
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