DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

R46 Symptoms and signs involving appearance and behavior

  • Header · not billable

R46 is not billable. The category heads 10 billable codes in FY2027, grouped under 9 subdivisions.

Index → code

  • Overactivity → R46.3
  • Behaviorslowness → R46.4
  • Appearancebizarre → R46.1

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. R46 Symptoms and signs involving appearance and behavior
Billable codes
10
Subdivisions
9
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
18

Codes in R46

  1. R46.0
    Very low level of personal hygiene
    Billable
  2. R46.1
    Bizarre personal appearance
    Billable
  3. R46.2
    Strange and inexplicable behavior
    Billable
  4. R46.3
    Overactivity
    Billable
  5. R46.4
    Slowness and poor responsiveness
    Billable
    Excludes1 1

    Excludes1

  6. R46.5
    Suspiciousness and marked evasiveness
    Billable
  7. R46.6
    Undue concern and preoccupation with stressful events
    Billable
  8. R46.7
    Verbosity and circumstantial detail obscuring reason for contact
    Billable
  9. R46.8
    Other symptoms and signs involving appearance and behavior
    Header
  10. R46.81
    Obsessive-compulsive behavior
    Billable
    Excludes1 1

    Excludes1

    • obsessive-compulsive disorder (F42.-) F42
  11. R46.89
    Other symptoms and signs involving appearance and behavior
    Billable

Sources of each column.

Instructions

At R46

Excludes1

  • appearance and behavior in schizophrenia, schizotypal and delusional disorders (F20-F29) F20 F29
  • mental and behavioral disorders (F01-F99) F01 F99

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

  • Overactivity → R46.3
  • Appearancevery low level of personal hygiene → R46.0
  • Poorpersonal hygiene → R46.0
  • Appearancebizarre → R46.1
  • Behaviorinexplicable → R46.2
  • Behaviorstrange (and inexplicable) → R46.2
  • Behavioroveractivity → R46.3
  • Behaviorpoor responsiveness → R46.4
  • Behaviorslowness → R46.4
  • Behaviormarked evasiveness → R46.5
  • Behaviorsuspiciousness → R46.5
  • Behaviorundue concern or preoccupation with stressful events → R46.6
  • Behaviorverbosity and circumstantial detail obscuring reason for contact → R46.7
  • Behaviorobsessive-compulsive → R46.81
  • Appearancespecified NEC → R46.89
  • Behaviorspecified NEC → R46.89
  • Symptoms NECinvolvingappearance NEC → R46.89
  • Symptoms NECinvolvingbehavior NEC → R46.89

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

Hierarchy