All ICD10 Codes
R45Non-billable

Symptoms and signs involving emotional state

Symptoms, Signs and Abnormal Clinical and Laboratory Findings·Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)·category·FY 2026

Use a more specific code (8 billable, 1 non-billable)
R45.0NervousnessR45.1Restlessness and agitationR45.2UnhappinessR45.3Demoralization and apathyR45.4Irritability and angerR45.5HostilityR45.6Violent behaviorR45.7State of emotional shock and stress, unspecifiedR45.8Other symptoms and signs involving emotional statehas subcodes

CH18 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • abnormal findings on antenatal screening of mother (O28.-)
  • certain conditions originating in the perinatal period (P04-P96)
  • signs and symptoms classified in the body system chapters
  • signs and symptoms of breast (N63, N64.5)

R40-R46 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • symptoms and signs constituting part of a pattern of mental disorder (F01-F99)

Clinical Hierarchy

BillableHas subcodes
CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R40-R46Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)
R45Symptoms and signs involving emotional stateNot billable
R45.0NervousnessBillable
R45.1Restlessness and agitationBillable
R45.2UnhappinessBillable
R45.3Demoralization and apathyBillable
R45.4Irritability and angerBillable
R45.5HostilityBillable
R45.6Violent behaviorBillable
R45.7State of emotional shock and stress, unspecifiedBillable
R45.8Other symptoms and signs involving emotional stateSubcodes

MS-DRG Classification

2026

No direct MS-DRG triggers identified.