ICD-10 · PDGM grouping
R46 Symptoms and signs involving appearance and behavior
All 10 codes in the R46 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.
Codes in family
10
Can lead a claim
0
Cannot lead a claim
10
What CMS assigns to R46
None of the 10 codes is assigned a clinical group. None of the 10 is assigned a comorbidity subgroup. None can lead a claim.
Every code in R46
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 |
|---|---|---|---|---|
| R46.0 | Very low level of personal hygiene | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R46.1 | Bizarre personal appearance | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R46.2 | Strange and inexplicable behavior | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R46.3 | Overactivity | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R46.4 | Slowness and poor responsiveness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R46.5 | Suspiciousness and marked evasiveness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R46.6 | Undue concern and preoccupation with stressful events | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R46.7 | Verbosity and circumstantial detail obscuring reason for contactCMS: Verbosity and circumstantial detail obscuring rsn for cntct | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R46.8 Other symptoms and signs involving appearance and behavior | ||||
| R46.81 | Obsessive-compulsive behavior | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R46.89 | Other symptoms and signs involving appearance and behavior | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
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.
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