ICD-10 · PDGM grouping
R45 Symptoms and signs involving emotional state
All 18 codes in the R45 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
18
Can lead a claim
1
Cannot lead a claim
17
What CMS assigns to R45
1 of the 18 codes groups to Behavioral Health; 17 are assigned no clinical group. None of the 18 is assigned a comorbidity subgroup. 1 of the 18 can lead a claim.
Every code in R45
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 |
|---|---|---|---|---|
| R45.0 | Nervousness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R45.1 | Restlessness and agitation | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R45.2 | Unhappiness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R45.3 | Demoralization and apathy | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R45.4 | Irritability and anger | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R45.5 | Hostility | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R45.6 | Violent behavior | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R45.7 | State of emotional shock and stress, unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R45.8 Other symptoms and signs involving emotional state | ||||
| R45.81 | Low self-esteem | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R45.82 | Worries | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R45.83 | Excessive crying of child, adolescent or adult | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R45.84 | Anhedonia | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R45.85 Homicidal and suicidal ideations | ||||
| R45.850 | Homicidal ideations | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R45.851 | Suicidal ideations | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R45.86 | Emotional lability | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R45.87 | Impulsiveness | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R45.88 | Nonsuicidal self-harm | Can lead a claim | F | None |
| R45.89 | Other symptoms and signs involving emotional state | 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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