ICD-10-CM Code For Mild Intellectual Disabilities: Group Overview

The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group F70 includes mild intellectual disabilities characterized by impaired intellectual functioning and limitations in adaptive behaviors that originate during the developmental period. These ICD-10-CM diagnosis codes are used to document cognitive impairment severity and related adaptive functioning limitations, capturing developmental impact and need for supportive services. Accurate coding within the ICD-10-CM F70 group supports proper claim adjudication and complete clinical documentation for services related to developmental and supportive care.

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ICD-10-CM F70: Mild Intellectual Disabilities Overview

The diagnoses in this group represent mild intellectual disability characterized by below-average intellectual functioning and adaptive behavior deficits that begin in the developmental period. These conditions affect cognitive and adaptive functioning across social, educational, and occupational domains. Accurate coding is important to reflect severity for clinical records and to support appropriate reimbursement.

When to Use

Use a code from this group when a patient has documented intellectual functioning and adaptive behavior deficits consistent with mild intellectual disability beginning in childhood or adolescence. These codes are chosen when the clinical record specifies severity as mild and when documentation supports developmental onset and functional limitations.

ICD-10-CM Codes

1 rows

ICD-10-CM Code	Description
F70	Mild intellectual disabilities

DRG Codes

1 rows

DRG Code	Description
884	Organic Disturbances and Intellectual Disability

Typical Clinical Scenarios

A 9-year-old child with a history of global developmental delay presents for a multidisciplinary evaluation due to ongoing academic underperformance, limited adaptive skills in daily living (dressing and feeding), and an IQ testing result in the mild range. The family reports the child attends a special education program and requires some supervision but can communicate basic needs and participate in simple classroom tasks; the clinician documents the level of intellectual impairment and assigns the diagnosis to reflect baseline cognitive functioning. Typical codes: F70
A 24-year-old adult with lifelong learning difficulties is seen in primary care for medication management of comorbid anxiety and to arrange vocational support services; the patient lives in supported housing and requires occasional assistance with finances and transportation. The visit focuses on coordinating care for chronic needs related to the patient’s cognitive functioning and adaptive limitations, prompting assignment of the diagnosis to capture the underlying intellectual disability impacting social and occupational functioning. Typical codes: F70
A 16-year-old adolescent presents to the emergency department after a minor injury; during intake, staff identify communication delays and limited problem-solving skills that complicate discharge planning and consent processes. The treating team documents the mild intellectual impairment to guide safe discharge arrangements, caregiver involvement, and consideration of capacity, leading to use of the diagnosis to record the contributing cognitive baseline. Typical codes: F70

Related Codes

F71-MODERATE-INTELLECTUAL-DISABILITIES

ICD-10-CM Code For Moderate Intellectual Disabilities: Group Overview

F72-SEVERE-INTELLECTUAL-DISABILITIES

ICD-10-CM Code For Severe Intellectual Disabilities: Group Overview

F73-PROFOUND-INTELLECTUAL-DISABILITIES

ICD-10-CM Code For Profound Intellectual Disabilities: Group Overview

F78-OTHER-INTELLECTUAL-DISABILITIES

ICD-10-CM Code For Other Intellectual Disabilities: Group Overview

F79-UNSPECIFIED-INTELLECTUAL-DISABILITIES

ICD-10-CM Code For Unspecified Intellectual Disabilities: Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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When to Use

ICD-10-CM Codes

1 rows

ICD-10-CM Code	Description
F70	Mild intellectual disabilities

DRG Codes

1 rows

DRG Code	Description
884	Organic Disturbances and Intellectual Disability

Typical Clinical Scenarios

A 9-year-old child with a history of global developmental delay presents for a multidisciplinary evaluation due to ongoing academic underperformance, limited adaptive skills in daily living (dressing and feeding), and an IQ testing result in the mild range. The family reports the child attends a special education program and requires some supervision but can communicate basic needs and participate in simple classroom tasks; the clinician documents the level of intellectual impairment and assigns the diagnosis to reflect baseline cognitive functioning. Typical codes: F70
A 24-year-old adult with lifelong learning difficulties is seen in primary care for medication management of comorbid anxiety and to arrange vocational support services; the patient lives in supported housing and requires occasional assistance with finances and transportation. The visit focuses on coordinating care for chronic needs related to the patient’s cognitive functioning and adaptive limitations, prompting assignment of the diagnosis to capture the underlying intellectual disability impacting social and occupational functioning. Typical codes: F70
A 16-year-old adolescent presents to the emergency department after a minor injury; during intake, staff identify communication delays and limited problem-solving skills that complicate discharge planning and consent processes. The treating team documents the mild intellectual impairment to guide safe discharge arrangements, caregiver involvement, and consideration of capacity, leading to use of the diagnosis to record the contributing cognitive baseline. Typical codes: F70

Related Codes

F71-MODERATE-INTELLECTUAL-DISABILITIES

ICD-10-CM Code For Moderate Intellectual Disabilities: Group Overview

F72-SEVERE-INTELLECTUAL-DISABILITIES

ICD-10-CM Code For Severe Intellectual Disabilities: Group Overview

F73-PROFOUND-INTELLECTUAL-DISABILITIES

ICD-10-CM Code For Profound Intellectual Disabilities: Group Overview

F78-OTHER-INTELLECTUAL-DISABILITIES

ICD-10-CM Code For Other Intellectual Disabilities: Group Overview

F79-UNSPECIFIED-INTELLECTUAL-DISABILITIES

ICD-10-CM Code For Unspecified Intellectual Disabilities: Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

ICD-10-CM Code For Mild Intellectual Disabilities: Group Overview

Sign up for ICD-10-CM Code For Mild Intellectual Disabilities: Group Overview policy alerts

ICD-10-CM F70: Mild Intellectual Disabilities Overview

ICD-10-CM Code For Mild Intellectual Disabilities: Group Overview

Sign up for ICD-10-CM Code For Mild Intellectual Disabilities: Group Overview policy alerts

ICD-10-CM F70: Mild Intellectual Disabilities Overview

When to Use

ICD-10-CM Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

What condition is represented by the ICD-10-CM group `F70`?

Why is accurate coding within `F70` important for clinical documentation?

How does `F70` coding affect reimbursement and claims?

Which related DRG is associated with the `F70` group?

What domains are affected by the conditions included in `F70`?

References

When to Use

ICD-10-CM Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

What condition is represented by the ICD-10-CM group `F70`?

Why is accurate coding within `F70` important for clinical documentation?

How does `F70` coding affect reimbursement and claims?

Which related DRG is associated with the `F70` group?

What domains are affected by the conditions included in `F70`?

References