R45.851 Suicidal ideations

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from R45.85 Homicidal and suicidal ideations

Excludes1 (never code together)

• suicide attempt (T14.91)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• V62.84 Suicidal ideation

Code annotations containing back-references to R45.851

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 R45.851

• Ideation › suicidal

Nearby codes

• R45.82 Worries
• R45.83 Excessive crying of child, adolescent or adult
• R45.84 Anhedonia
• R45.85 Homicidal and suicidal ideations
• R45.850 Homicidal ideations
• R45.851 Suicidal ideations (this code)
• R45.86 Emotional lability
• R45.87 Impulsiveness
• R45.88 Nonsuicidal self-harm
• R45.89 Other symptoms and signs involving emotional state