ICD-10 · PDGM grouping
F01 Vascular dementia
All 24 codes in the F01 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in family
24
Can lead a claim
24
Cannot lead a claim
0
What CMS assigns to F01
All 24 codes group to Behavioral Health. All 24 count toward the Alzheimer’s disease and related dementias comorbidity subgroup. Every code can lead a claim. CMS attaches a code-first note to all 24.
- Alzheimer’s disease and related dementias: counts toward the high comorbidity tier only in an interaction pair.
Code first
CMS grouper convention 12, on all 24 codes. Code first:
- underlying disease
Every code in F01
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| F01.5 Vascular dementia, unspecified severity | ||||
| F01.50 | Vascular dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxietyCMS: Vascular dementia, unsp severity, without beh/psych/mood/anx | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.51 Vascular dementia, unspecified severity, with behavioral disturbance | ||||
| F01.511 | Vascular dementia, unspecified severity, with agitation | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.518 | Vascular dementia, unspecified severity, with other behavioral disturbanceCMS: Vascular dementia, unsp severity, with other beh disturb | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.52 | Vascular dementia, unspecified severity, with psychotic disturbanceCMS: Vascular dementia, unsp severity, with psychotic disturb | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.53 | Vascular dementia, unspecified severity, with mood disturbanceCMS: Vascular dementia, unspecified severity, with mood disturb | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.54 | Vascular dementia, unspecified severity, with anxiety | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.A Vascular dementia, mild | ||||
| F01.A0 | Vascular dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxietyCMS: Vascular dementia, mild, without beh/psych/mood/anx | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.A1 Vascular dementia, mild, with behavioral disturbance | ||||
| F01.A11 | Vascular dementia, mild, with agitation | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.A18 | Vascular dementia, mild, with other behavioral disturbance | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.A2 | Vascular dementia, mild, with psychotic disturbance | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.A3 | Vascular dementia, mild, with mood disturbance | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.A4 | Vascular dementia, mild, with anxiety | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.B Vascular dementia, moderate | ||||
| F01.B0 | Vascular dementia, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxietyCMS: Vascular dementia, moderate, without beh/psych/mood/anx | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.B1 Vascular dementia, moderate, with behavioral disturbance | ||||
| F01.B11 | Vascular dementia, moderate, with agitation | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.B18 | Vascular dementia, moderate, with other behavioral disturbanceCMS: Vascular dementia, moderate, with other behavioral disturb | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.B2 | Vascular dementia, moderate, with psychotic disturbance | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.B3 | Vascular dementia, moderate, with mood disturbance | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.B4 | Vascular dementia, moderate, with anxiety | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.C Vascular dementia, severe | ||||
| F01.C0 | Vascular dementia, severe, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxietyCMS: Vascular dementia, severe, without beh/psych/mood/anx | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.C1 Vascular dementia, severe, with behavioral disturbance | ||||
| F01.C11 | Vascular dementia, severe, with agitation | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.C18 | Vascular dementia, severe, with other behavioral disturbance | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.C2 | Vascular dementia, severe, with psychotic disturbance | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.C3 | Vascular dementia, severe, with mood disturbance | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
| F01.C4 | Vascular dementia, severe, with anxiety | Can lead a claim, code first applies | F | Alzheimer’s disease and related dementias |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
The monthly home health regs digest
What CMS changed, what's due next, and what to do about it — one email a month, no fluff. Read the first issue