ICD-10-CM > F01-F99 > F40-F48 > F48 F48 Other nonpsychotic mental disorders Non-Billable/Non-Specific Codes F48.1Depersonalization-derealization syndromeF48.2Pseudobulbar affectF48.8Other specified nonpsychotic mental disordersF48.9Nonpsychotic mental disorder, unspecified