R44.3 Hallucinations, unspecified

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

Applies from R44 Other symptoms and signs involving general sensations and perceptions

Excludes1 (never code together)

• alcoholic hallucinations (F10.151, F10.251, F10.951)
• hallucinations in drug psychosis (F11-F19 with fifth to sixth characters 51)
• hallucinations in mood disorders with psychotic symptoms (F30.2, F31.5, F32.3, F33.3)
• hallucinations in schizophrenia, schizotypal and delusional disorders (F20-F29)

Excludes2 (not included here)

• disturbances of skin sensation (R20.-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 780.1 Hallucinations (approximate)

Diagnosis Index entries for R44.3

• Hallucination

Nearby codes

• R44 Other symptoms and signs involving general sensations and perceptions
• R44.0 Auditory hallucinations
• R44.1 Visual hallucinations
• R44.2 Other hallucinations
• R44.3 Hallucinations, unspecified (this code)
• R44.8 Other symptoms and signs involving general sensations and perceptions
• R44.9 Unspecified symptoms and signs involving general sensations and perceptions