R46.3 – Overactivity
ICD-10-CM 2027 diagnosis code · Symptoms and signs involving cognition, perception, emotional state and behavior
- Code
R46.3(claims format:R463)- Description
- Overactivity
- Billable
- Yes – valid for HIPAA-covered transactions
- 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
- Parent codes
- R46
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
R46 – Symptoms and signs involving appearance and behavior
Block R40-R46
Index terms for R46.3
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in R46
- R46.0 – Very low level of personal hygieneBillable
- R46.1 – Bizarre personal appearanceBillable
- R46.2 – Strange and inexplicable behaviorBillable
- 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
Frequently asked questions
What is ICD-10 code R46.3?
R46.3 is the ICD-10-CM code for overactivity, in the block R40-R46 (Symptoms and signs involving cognition, perception, emotional state and behavior).
Is R46.3 a billable code?
Yes. R46.3 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does R46.3 belong to?
It belongs to category R46 – Symptoms and signs involving appearance and behavior.
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.