
ICD-10 F78: Other intellectual disability
Using ICD-10 F78 on a Superbill
ICD-10 code F78 (Other intellectual disability) is a intellectual disabilities code used on superbills for mental health therapy billing. Insurance companies require at least one ICD-10 code per superbill to process a reimbursement claim.
CPT Codes Commonly Used With F78
Common CPT codes paired with ICD-10 F78 include 90837 (60-min psychotherapy), 90834 (45-min psychotherapy), and 90791 (initial psychiatric evaluation). The CPT code reflects the service rendered, not the diagnosis.
Clinical Criteria
Intellectual disability that does not fit into mild, moderate, severe, or profound classifications, or where assessment is uncertain or impossible (e.g., in individuals who are too impaired by sensory/motor deficits or behavioral problems to be tested with standardized instruments).
DSM-5 Cross-Reference
DSM-5 315.8 — Global Developmental Delay / Unspecified Intellectual Disability