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Updated: Aug 16, 2026

Measuring the Functional Abilities of Children Aged 3-6 Years Old with Observational Methods and Computer Tools
Published on: June 20, 2020
Diagnosis to function: classification for children and youths
Donald J Lollar1, Rune J Simeonsson
1Centers for Disease Control and Prevention, National Center on Birth Defects and Developmental Disabilities, Atlanta, Georgia 30333, USA.
Insights
The World Health Organization
Area of Science:
- Public Health
- Rehabilitation Medicine
- Developmental Pediatrics
Background:
- The World Health Organization (WHO) developed the International Classification of Functioning, Disability, and Health (ICF) framework.
- The ICF provides a standardized language for describing human functioning.
- A specialized version, the ICF-CY, was developed for children and youth.
Purpose of the Study:
- To provide an overview of the WHO's ICF and its version for children and youth (ICF-CY).
- To highlight the potential utility of the ICF-CY in developmental and behavioral pediatrics.
- To discuss clinical, research, and policy dimensions of the ICF-CY.
Main Methods:
- Review of the WHO's ICF and ICF-CY framework.
- Description of the ICF-CY's dimensions and applications.
- Outline of limitations regarding scope and clarity.
Main Results:
- The ICF-CY offers a comprehensive system for understanding human functioning in children and youth.
- It facilitates a common language for clinical practice, research, and policy.
- Potential utility is identified for developmental and behavioral pediatrics.
Conclusions:
- The ICF-CY is a valuable integrated system for clarifying constructs in child health.
- It can improve communication and coordination of health services for children and youth.
- Serious consideration of the ICF-CY is recommended for practice, research, and policy.
Abstract:
This article provides an overview of a newly approved World Health Organization framework and classification system for human functioning. The International Classification of Functioning, Disability, and Health (ICF) identifies dimensions of human functioning and describes a common language for clinical practice, research, and policy development across disciplines and service systems. This presentation highlights the development of a version of the ICF for children and youths (ICF-CY) and its potential utility in developmental and behavioral pediatrics. Clinical, research, and policy dimensions are described. Limitations related to scope and clarity of the framework are also outlined. The article proposes that serious consideration be given the ICF-CY as an integrated system to clarify constructs, improve communication, and encourage coordination of health services for children and youths.
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