R46 – Symptoms and signs involving appearance and behavior

ICD-10-CM 2027 diagnosis code · Symptoms and signs involving cognition, perception, emotional state and behavior

Non-billable header

ICD-10-CM code R46

Code: R46 (claims format: R46)
Description: Symptoms and signs involving appearance and behavior
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Block: R40-R46 Symptoms and signs involving cognition, perception, emotional state and behavior

Billable codes under R46

R46 is a header code and cannot be used on claims. Choose the most specific code:

R46.0 – Very low level of personal hygieneBillable
R46.1 – Bizarre personal appearanceBillable
R46.2 – Strange and inexplicable behaviorBillable
R46.3 – OveractivityBillable
R46.4 – Slowness and poor responsivenessBillable
R46.5 – Suspiciousness and marked evasivenessBillable
R46.6 – Undue concern and preoccupation with stressful eventsBillable
R46.7 – Verbosity and circumstantial detail obscuring reason for contactBillable
R46.8 – Other symptoms and signs involving appearance and behaviorHeader (more codes below)

Notes for R46

Excludes1 (not coded here):

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

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block R40-R46

Excludes2 (not included here):

symptoms and signs constituting part of a pattern of mental disorder (F01-F99)

Frequently asked questions

What is ICD-10 code R46?

R46 is the ICD-10-CM code for symptoms and signs involving appearance and behavior, in the block R40-R46 (Symptoms and signs involving cognition, perception, emotional state and behavior).

Is R46 a billable code?

No. R46 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.