F72 vs R41.83
F72 (Severe intellectual disabilities) compared with R41.83 (Borderline intellectual functioning), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. F72 carries an Excludes1 note covering R41.83: “borderline intellectual functioning, IQ above 70 to 84 (R41.83)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| F72Severe intellectual disabilities | R41.83Borderline intellectual functioning | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) |
| Definition | Severe intellectual disabilities is a billable ICD-10-CM diagnosis code (F72). | Borderline intellectual functioning is a billable ICD-10-CM diagnosis code (R41.83). |
| Includes | IQ 20-25 to 35-40 Severe mental subnormality | IQ level 71 to 84 |
| Code first | any associated physical or developmental disorders | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources