HCC 127 (V28)
Dementia, Mild or Unspecified
65 ICD-10-CM codes map to this category in the CMS-HCC V28 risk adjustment model for payment year 2027. All 115 HCCs
Overridden by: HCC 125 (Dementia, Severe), HCC 126 (Dementia, Moderate). If the patient also has one of these, only the higher HCC counts.
| A81.00 | Creutzfeldt-Jakob disease, unspecified |
| A81.01 | Variant Creutzfeldt-Jakob disease |
| A81.09 | Other Creutzfeldt-Jakob disease |
| A81.1 | Subacute sclerosing panencephalitis |
| A81.2 | Progressive multifocal leukoencephalopathy |
| A81.81 | Kuru |
| A81.82 | Gerstmann-Straussler-Scheinker syndrome |
| A81.83 | Fatal familial insomnia |
| A81.89 | Other atypical virus infections of central nervous system |
| A81.9 | Atypical virus infection of central nervous system, unspecified |
| F01.50 | Vascular dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety |
| F01.511 | Vascular dementia, unspecified severity, with agitation |
| F01.518 | Vascular dementia, unspecified severity, with other behavioral disturbance |
| F01.52 | Vascular dementia, unspecified severity, with psychotic disturbance |
| F01.53 | Vascular dementia, unspecified severity, with mood disturbance |
| F01.54 | Vascular dementia, unspecified severity, with anxiety |
| F01.A0 | Vascular dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety |
| F01.A11 | Vascular dementia, mild, with agitation |
| F01.A18 | Vascular dementia, mild, with other behavioral disturbance |
| F01.A2 | Vascular dementia, mild, with psychotic disturbance |
| F01.A3 | Vascular dementia, mild, with mood disturbance |
| F01.A4 | Vascular dementia, mild, with anxiety |
| F02.80 | Dementia in other diseases classified elsewhere, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety |
| F02.811 | Dementia in other diseases classified elsewhere, unspecified severity, with agitation |
| F02.818 | Dementia in other diseases classified elsewhere, unspecified severity, with other behavioral disturbance |
| F02.82 | Dementia in other diseases classified elsewhere, unspecified severity, with psychotic disturbance |
| F02.83 | Dementia in other diseases classified elsewhere, unspecified severity, with mood disturbance |
| F02.84 | Dementia in other diseases classified elsewhere, unspecified severity, with anxiety |
| F02.A0 | Dementia in other diseases classified elsewhere, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety |
| F02.A11 | Dementia in other diseases classified elsewhere, mild, with agitation |
| F02.A18 | Dementia in other diseases classified elsewhere, mild, with other behavioral disturbance |
| F02.A2 | Dementia in other diseases classified elsewhere, mild, with psychotic disturbance |
| F02.A3 | Dementia in other diseases classified elsewhere, mild, with mood disturbance |
| F02.A4 | Dementia in other diseases classified elsewhere, mild, with anxiety |
| F03.90 | Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety |
| F03.911 | Unspecified dementia, unspecified severity, with agitation |
| F03.918 | Unspecified dementia, unspecified severity, with other behavioral disturbance |
| F03.92 | Unspecified dementia, unspecified severity, with psychotic disturbance |
| F03.93 | Unspecified dementia, unspecified severity, with mood disturbance |
| F03.94 | Unspecified dementia, unspecified severity, with anxiety |
| F03.A0 | Unspecified dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety |
| F03.A11 | Unspecified dementia, mild, with agitation |
| F03.A18 | Unspecified dementia, mild, with other behavioral disturbance |
| F03.A2 | Unspecified dementia, mild, with psychotic disturbance |
| F03.A3 | Unspecified dementia, mild, with mood disturbance |
| F03.A4 | Unspecified dementia, mild, with anxiety |
| G30.0 | Alzheimer's disease with early onset |
| G30.1 | Alzheimer's disease with late onset |
| G30.8 | Other Alzheimer's disease |
| G30.9 | Alzheimer's disease, unspecified |
| G31.01 | Pick's disease |
| G31.09 | Other frontotemporal neurocognitive disorder |
| G31.81 | Alpers disease |
| G31.82 | Leigh's disease |
| G31.83 | Neurocognitive disorder with Lewy bodies |
| G31.86 | Alexander disease |
| G91.0 | Communicating hydrocephalus |
| G91.1 | Obstructive hydrocephalus |
| G91.2 | (Idiopathic) normal pressure hydrocephalus |
| G91.3 | Post-traumatic hydrocephalus, unspecified |
| G91.4 | Hydrocephalus in diseases classified elsewhere |
| G91.8 | Other hydrocephalus |
| G91.9 | Hydrocephalus, unspecified |
| G93.7 | Reye's syndrome |
| I67.3 | Progressive vascular leukoencephalopathy |
