DC:0-5: Diagnostic Classification of Mental Health and Developmental Disorders of Infancy and Early Childhood

By Zero to Three

Enhance early childhood mental health practice with DC:0-5: Diagnostic Classification, the first developmentally based diagnostic system specifically designed for infants and toddlers from birth through age five. Published in 2016, this 212-page paperback provides clinicians with clear, research-informed criteria for identifying mental health and developmental disorders in early childhood.

Developed by Zero to Three, DC:0-5 is a multiaxial classification system that supports accurate diagnosis, clinical formulation, and intervention planning. It aligns with DSM-5 and ICD-10 while emphasizing relationships, developmental context, and psychosocial factors critical to early childhood mental health.

Key Features for 2025 Early Intervention

• Developmentally appropriate diagnostic criteria for children ages 0–5
• Multiaxial system assessing clinical disorders, relationships, and functioning
• Updated focus on trauma-informed care and early intervention practices
• Guidance on psychosocial stressors and cultural contexts
• Supports research, diagnosis, and individualized intervention planning

Who Should Buy This?

• Mental health clinicians working with infants and toddlers
• Pediatricians and child psychologists
• Early intervention specialists and social workers
• Researchers studying early childhood psychopathology

Why It’s Essential (Strengths)

• Developed by Zero to Three, a global leader in infant mental health
• Rated 4.5/5 stars from 45 Amazon reviews for clinical utility
• Comprehensive diagnostic system unmatched for ages 0–5
• Competitive pricing at BooksGoat ($59.99 vs. $100+ elsewhere)
• Exclusive quiz discounts and eco-friendly packaging add value

About the Author

Zero to Three is a nonprofit organization dedicated to advancing the healthy development of infants and toddlers worldwide. Through research, training, and advocacy, the organization supports professionals and caregivers working in early childhood. The DC:0-5 manual, developed by a multidisciplinary task force, is a globally recognized tool for early childhood mental health professionals.

With early intervention gaining increased focus in 2025, this guide is essential for professionals supporting infant and toddler mental health.
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