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ICD-10 Coding for Intellectual Disability(F70, F71)

Complete ICD-10-CM coding and documentation guide for Intellectual Disability. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

IDMental Retardation (historical term)mental retardation

Related ICD-10 Code Ranges

Complete code families applicable to Intellectual Disability

F70-F79Primary Range

Intellectual Disabilities

This range covers all levels of intellectual disability, from mild to profound.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
F70Mild intellectual disabilitiesUse when the patient has an IQ score between 50-69 and mild adaptive deficits.
  • IQ score between 50-69
  • Deficits in at least two adaptive domains
F71Moderate intellectual disabilitiesUse when the patient has an IQ score between 35-49 and moderate adaptive deficits.
  • IQ score between 35-49
  • Deficits in adaptive functioning

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for mild intellectual disability

Essential facts and insights about Intellectual Disability

The ICD-10 code for mild intellectual disability is F70, requiring an IQ score of 50-69 and mild adaptive deficits.

Primary ICD-10-CM Codes for intellectual disability

Mild intellectual disabilities
Billable Code

Decision Criteria

clinical Criteria

  • IQ score between 50-69

documentation Criteria

  • Documented adaptive deficits in at least two domains

Applicable To

  • IQ 50-69
  • Mild adaptive deficits

Excludes

  • Learning disabilities (F81.-)
  • Borderline intellectual functioning (R41.83)

Clinical Validation Requirements

  • IQ score between 50-69
  • Deficits in at least two adaptive domains

Code-Specific Risks

  • Inadequate documentation of adaptive deficits

Coding Notes

  • Ensure documentation includes both IQ score and adaptive functioning details.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Expressive language disorder

F80.1
Use when there is a coexisting expressive language disorder.

Encounter for autism screening

Z13.41
Use when screening for autism is performed.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Borderline intellectual functioning

R41.83
IQ score between 71-84 without significant adaptive deficits.

Severe intellectual disabilities

F72
IQ score between 20-34 with severe adaptive deficits.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Intellectual Disability to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code F70.

Impact

Clinical: Inaccurate representation of patient's functional abilities., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials due to insufficient documentation.

Mitigation Strategy

Ensure adaptive behavior assessments are completed and documented.

Impact

Reimbursement: May result in claim denials or reduced reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Decreased accuracy in patient records.

Mitigation Strategy

Ensure all documentation supports the specific code used, including IQ and adaptive scores.

Impact

High audit risk when using unspecified codes without supporting documentation.

Mitigation Strategy

Provide detailed documentation of IQ and adaptive scores.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Intellectual Disability, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Intellectual Disability

Use these documentation templates to ensure complete and accurate documentation for Intellectual Disability. These templates include all required elements for proper coding and billing.

Initial diagnosis of intellectual disability

Specialty: Pediatrics

Required Elements

  • Patient history
  • IQ test results
  • Adaptive behavior assessment

Example Documentation

Patient presents with developmental delays. WAIS-IV IQ score of 58. Adaptive behavior assessment indicates deficits in social and practical domains.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has ID.
Good Documentation Example
Patient diagnosed with mild intellectual disability. WAIS-IV IQ score of 58. Deficits in social and practical domains documented.
Explanation
The good example provides specific IQ scores and adaptive deficits, supporting the diagnosis.

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