R45 – Symptoms and signs involving emotional state

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

Non-billable header

ICD-10-CM code R45

Code: R45 (claims format: R45)
Description: Symptoms and signs involving emotional state
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 R45

R45 is a header code and cannot be used on claims. Choose the most specific code:

R45.0 – NervousnessBillable
R45.1 – Restlessness and agitationBillable
R45.2 – UnhappinessBillable
R45.3 – Demoralization and apathyBillable
R45.4 – Irritability and angerBillable
R45.5 – HostilityBillable
R45.6 – Violent behaviorBillable
R45.7 – State of emotional shock and stress, unspecifiedBillable
R45.8 – Other symptoms and signs involving emotional stateHeader (more codes below)

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 R45?

R45 is the ICD-10-CM code for symptoms and signs involving emotional state, in the block R40-R46 (Symptoms and signs involving cognition, perception, emotional state and behavior).

Is R45 a billable code?

No. R45 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.