R45.89 Other symptoms and signs involving emotional state

Billable ICD-10-CM code, FY2026.

Applicable to

• Flat affect
• Loneliness

MS-DRG index

Defines the logic of DRG(s) 880 in MDC 19.

Approximate ICD-9-CM (GEMs)

• 799.29 Other signs and symptoms involving emotional state (approximate)

Code annotations containing back-references to R45.89

Back-references to R45

• Type 1 Excludes: F07.0 Personality change due to known physiological condition ("signs and symptoms involving emotional state (R45.-)")

Diagnosis Index entries for R45.89

• Flat › affect
• Loneliness
• Symptoms NEC › involving › emotional state NEC

Nearby codes

• R45.850 Homicidal ideations
• R45.851 Suicidal ideations
• R45.86 Emotional lability
• R45.87 Impulsiveness
• R45.88 Nonsuicidal self-harm
• R45.89 Other symptoms and signs involving emotional state (this code)