
ICD-10 F79
ICD-10 F79: Unspecified intellectual disability
Category
Intellectual disabilities
Code Type
Mental health diagnosis
Using ICD-10 F79 on a Superbill
ICD-10 code F79 (Unspecified 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 F79
Common CPT codes paired with ICD-10 F79 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 where severity cannot be specified, used when clinical information is insufficient. May be used in early childhood when standardized testing is not appropriate or when the degree of disability is uncertain.
DSM-5 Cross-Reference
DSM-5 319 — Unspecified Intellectual Disability