October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

R41 Other symptoms and signs involving cognitive functions and awareness

All 16 codes in the R41 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

16

Can lead a claim

0

Cannot lead a claim

16

What CMS assigns to R41

None of the 16 codes is assigned a clinical group. None of the 16 is assigned a comorbidity subgroup. None can lead a claim. CMS attaches a code-first note to 5 of the 16.

Code first

CMS grouper convention 158, on R41.840, R41.841, R41.842, R41.843, R41.844. Code first:

  • schizophrenia (F20.-)
  • the underlying condition, if known, such as:

Every code in R41

Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
R41.0Disorientation, unspecifiedCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R41.1Anterograde amnesiaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R41.2Retrograde amnesiaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R41.3Other amnesiaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R41.4Neurologic neglect syndromeCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R41.8 Other symptoms and signs involving cognitive functions and awareness
R41.81Age-related cognitive declineCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R41.82Altered mental status, unspecifiedCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R41.83Borderline intellectual functioningCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R41.84 Other specified cognitive deficit
R41.840Attention and concentration deficitCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R41.841Cognitive communication deficitCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R41.842Visuospatial deficitCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R41.843Psychomotor deficitCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R41.844Frontal lobe and executive function deficitCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R41.85AnosognosiaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R41.89Other symptoms and signs involving cognitive functions and awarenessCMS: Oth symptoms and signs w cognitive functions and awarenessCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R41.9Unspecified symptoms and signs involving cognitive functions and awarenessCMS: Unsp symptoms and signs w cognitive functions and awarenessCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone

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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