DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

R41 Other symptoms and signs involving cognitive functions and awareness

  • Header · not billable

R41 is not billable. The category heads 16 billable codes in FY2027, grouped under 7 subdivisions.

Index → code

Where it sits

  1. Chapter 18 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
  2. R40-R46 Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)
  3. R41 Other symptoms and signs involving cognitive functions and awareness
Billable codes
16
Subdivisions
7
CC / MCC codes
1 / 0
HCC V28 codes
0
New FY2027
0
Index entries
53

Codes in R41

  1. R41.0
    Disorientation, unspecified
    Billable
    Inclusion terms 2, Excludes1 1

    Inclusion terms

    • Confusion NOS
    • Delirium NOS

    Excludes1

    • delirium due to known physiological condition (F05) F05
  2. R41.1
    Anterograde amnesia
    Billable
  3. R41.2
    Retrograde amnesia
    Billable
  4. R41.3
    Other amnesia
    Billable
    Inclusion terms 2, Excludes1 4

    Inclusion terms

    • Amnesia NOS
    • Memory loss NOS

    Excludes1

    • amnestic disorder due to known physiologic condition (F04) F04
    • amnestic syndrome due to psychoactive substance use (F10-F19 with 5th character .6) F10 F19
    • mild memory disturbance due to known physiological condition (F06.8) F06.8
    • transient global amnesia (G45.4) G45.4
  5. R41.4
    Neurologic neglect syndrome
    BillableCC
    Inclusion terms 7, Excludes1 1

    Inclusion terms

    • Asomatognosia
    • Hemi-akinesia
    • Hemi-inattention
    • Hemispatial neglect
    • Left-sided neglect
    • Sensory neglect
    • Visuospatial neglect

    Excludes1

    • visuospatial deficit (R41.842) R41.842
  6. R41.8
    Other symptoms and signs involving cognitive functions and awareness
    Header
  7. R41.81
    Age-related cognitive decline
    Billable
    Inclusion terms 1

    Inclusion terms

    • Senility NOS
  8. R41.82
    Altered mental status, unspecified
    Billable
    Inclusion terms 1, Excludes1 3

    Inclusion terms

    • Change in mental status NOS

    Excludes1

    • altered level of consciousness (R40.-) R40
    • altered mental status due to known condition - code to condition
    • delirium NOS (R41.0) R41.0
  9. R41.83
    Borderline intellectual functioning
    Billable
    Inclusion terms 1, Excludes1 1

    Inclusion terms

    • IQ level 71 to 84

    Excludes1

    • intellectual disabilities (F70-F79) F70 F79
  10. R41.84
    Other specified cognitive deficit
    Header
    Excludes1 1, Code first 2

    Excludes1

    Code first

    • the underlying condition, if known, such as:
    • schizophrenia (F20.-) F20
  11. R41.840
    Attention and concentration deficit
    Billable
    Excludes1 1

    Excludes1

    • attention-deficit hyperactivity disorders (F90.-) F90
  12. R41.841
    Cognitive communication deficit
    Billable
  13. R41.842
    Visuospatial deficit
    Billable
  14. R41.843
    Psychomotor deficit
    Billable
  15. R41.844
    Frontal lobe and executive function deficit
    Billable
  16. R41.85
    Anosognosia
    Billable
  17. R41.89
    Other symptoms and signs involving cognitive functions and awareness
    Billable
  18. R41.9
    Unspecified symptoms and signs involving cognitive functions and awareness
    Billable
    Inclusion terms 1

    Inclusion terms

    • Unspecified neurocognitive disorder

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At R41

Excludes1

  • dissociative [conversion] disorders (F44.-) F44
  • mild cognitive impairment of uncertain or unknown etiology (G31.84) G31.84

Notes that also apply

Block R40-R46 instructions (Excludes2 1): printed on the block page.

Chapter 18 instructions (Notes 9, Excludes2 4): printed on the chapter 18 page.

Index entries

  • Confusion, confused → R41.0
  • Delirium, delirious (acute or subacute) (not alcohol- or drug-induced) → R41.0
  • Disorientation → R41.0
  • Amnesia → R41.3
  • Asomatognosia → R41.4
  • Hemi-akinesia → R41.4
  • Hemi-inattention → R41.4
  • Senile, senility → R41.81
  • Functioning, intellectual, borderline → R41.83
  • Anosognosia → R41.85
  • Akinetic mutism → R41.89
  • Trance → R41.89
  • Confusion, confusedacute → R41.0
  • Amnesiaanterograde → R41.1
  • Amnesiaretrograde → R41.2
  • Neglecthemispatial → R41.4
  • Neglectleft-sided → R41.4
  • Neglectsensory → R41.4
  • Neglectvisuospatial → R41.4
  • Syndromealien hand → R41.4
  • Syndromeneurologic neglect → R41.4
  • Decline (general)cognitive, age-associated → R41.81
  • Frailty (frail)mental → R41.81
  • Alteration (of), Alteredmental status → R41.82
  • Change(s) (in) (of)mental status → R41.82
  • Deficitattention and concentration → R41.840
  • Deficitconcentration → R41.840
  • Deficitvisuospatial → R41.842
  • Deficitpsychomotor → R41.843
  • Deficitexecutive function → R41.844
  • Deficitfrontal lobe → R41.844
  • Change(s) (in) (of)cognitive (mild) (organic) → R41.89
  • Deficitcognitive NEC → R41.89
  • Disorder (of)neurocognitive → R41.9
  • Lack ofawareness → R41.9
  • Lack ofcognitive functions → R41.9
  • Delirium, delirious (acute or subacute) (not alcohol- or drug-induced)due to (secondary to)unknown etiology → R41.0
  • Deficitcognitivecommunication → R41.841
  • Disorder (of)cognitivepersisting → R41.89
  • Symptoms NECinvolvingawareness → R41.9

13 more, longer entries are not listed; the search box finds them by word.

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy