F79

Billable

Unspecified intellectual disabilities

HCC Category Mapping

RxHCCHCC 148 — Mild Intellectual Disabilities

0.000

What This Code Means

Intellectual disability where the specific cause or severity level cannot be determined or is not documented. This is a catch-all code for intellectual disabilities that don't meet criteria for more specific diagnoses.

Coding Tips

•Avoid using this code if the cause (genetic, environmental, or other) can be identified; use more specific codes instead
•Query the provider if additional information about severity or etiology is available to allow for more precise coding

Clinical Significance

Unspecified intellectual disability is used when the provider documents intellectual disability without specifying the severity level (mild, moderate, severe, or profound). While acceptable in certain clinical contexts, this code provides less information for care planning. Intellectual disability requires lifelong support and is associated with increased comorbid medical and psychiatric conditions.

Documentation Requirements

✓Provider documentation of intellectual disability diagnosis
✓Evidence of deficits in both intellectual and adaptive functioning with onset during the developmental period
✓Query opportunity — always attempt to obtain severity specification from the provider
✓Documentation of current functional status and support needs
✓Assessment of comorbid conditions

Commonly Confused Codes

F70-F73 — Specified severity intellectual disabilities; always prefer the severity-specific code when documentation supports it R41.83 — Borderline intellectual functioning; IQ 71-84, does not meet criteria for intellectual disability F88 — Other disorders of psychological development; developmental delays may not meet criteria for intellectual disability F81.x — Specific developmental disorders of scholastic skills; learning disabilities are not intellectual disability

Code Hierarchy

└F79Unspecified intellectual disabilities

F79