MCMedicalCodingSoftware
F70

F70: Mild intellectual disabilities

Billable / specific codeICD-10-CM

F70 is a billable, specific ICD-10-CM code for mild intellectual disabilities. It is valid for submission on a claim.

Check F70 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • IQ level 50-55 to approximately 70
  • Mild mental subnormality

Other codes that can never be billed with F70

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • R41.83Borderline intellectual functioning

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

F70 is named in 13 Medicare coverage policies: 11 listing it as supporting medical necessity, and 2 listing it as NOT covered. Which one applies depends on your Medicare contractor.

  • A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
  • A56865Billing and Coding: Psychiatric Inpatient Hospitalizationnot covered
  • A56937Billing and Coding: Psychiatry and Psychology Services
  • A57052Billing and Coding: Psychiatric Inpatient Hospitalization

Alphabetic index entries that lead here

  • Feeble-minded
  • Moron(I.Q.50-69)
  • Defect, defective›high grade
  • I.Q.›50-69
  • Weak, weakening, weakness›mind
  • Disability, disabilities›intellectual›mild(I.Q.50-69)

Code history

Unchanged in every release from FY2024 to FY2027.

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.