ICD-10-CM > F01-F99 > F01-F09 > F03 > F03.C > F03.C2 F03.C2 Unspecified dementia, severe, with psychotic disturbance Billable/Specific Copy Code Copy Description Applicable To Unspecified dementia, severe, with psychotic disturbance such as hallucinations, paranoia, suspiciousness, or delusional state