{"h1":"ICD-11 Classification for Childhood Anxiety","faq":[{"a":"No. ICD-11 does not designate a standalone paediatric anxiety code. Childhood presentations are coded within the 6B0 anxiety or fear-related disorders grouping using the best-fitting specific entity, with 6B0Z (unspecified) reserved for documented presentations not yet further specifiable.","q":"Is there a specific ICD-11 code just for childhood anxiety?"},{"a":"6B0Z is the residual category 'Anxiety or fear-related disorders, unspecified' within ICD-11-MMS. It is used when clinically significant anxiety is established but does not meet criteria for a more specific entity, and is intended as a temporary placeholder pending refinement.","q":"What does code 6B0Z mean?"},{"a":"Separation anxiety disorder (6B05) is the most characteristically child-onset entity, though generalised anxiety disorder (6B00), social anxiety disorder (6B04) and selective mutism (6B06) are also coded in children using developmental judgement.","q":"Which specific ICD-11 code is most relevant to children?"}],"lang":"en","slug":"what-is-the-icd-11-classification-for-childhood-anxiety","title":"What is the ICD-11 classification for Childhood Anxiety?","entity":{"key":"anxiety-child","kind":"condition","name":"Childhood Anxiety","slug":null},"lenses":[{"kind":"stakeholder","label":"Doctor","value":"doctor"},{"kind":"domain","label":"Emotional","value":"emotional"},{"kind":"intent","label":"Definition","value":"definition"},{"kind":"lifecycle","label":"Screen","value":"screen"},{"kind":"route","label":"Screen","value":"screen"},{"kind":"empowerment","label":"Early Clarity","value":"early_clarity"}],"parent":{"key":"conditions","label":"Conditions"},"related":[{"lang":"en","slug":"what-is-developmental-trauma-and-what-are-its-icd-11-features-in-early-childhood","title":"What is Developmental Trauma, and what are its ICD-11 features in early childhood?"},{"lang":"en","slug":"what-is-the-icd-11-classification-for-developmental-trauma","title":"What is the ICD-11 classification for Developmental Trauma?"},{"lang":"en","slug":"what-is-the-icd-11-classification-for-attachment-difficulties","title":"ICD-11 Classification for Attachment Difficulties (6B44)"},{"lang":"en","slug":"what-is-emotional-and-behavioural-difficulties-and-what-are-its-icd-11-features-in-early-childhood","title":"What is Emotional & Behavioural Difficulties, and its ICD-11 features in early childhood?"},{"lang":"en","slug":"what-is-attachment-difficulties-and-what-are-its-icd-11-features-in-early-childhood","title":"Attachment Difficulties: ICD-11 Features in Early Childhood"},{"lang":"en","slug":"what-is-the-icd-11-classification-for-emotional-and-behavioural-difficulties","title":"ICD-11 classification for Emotional & Behavioural Difficulties"}],"summary":"In ICD-11-MMS, 6B0Z is 'Anxiety or fear-related disorders, unspecified' — a residual code within the 6B0 grouping. ICD-11 has no standalone paediatric anxiety block; childhood anxiety is coded using specific entities such as separation anxiety disorder (6B05) applied with developmental judgement, reserving 6B0Z for documented but not-yet-specifiable presentations.","answer_md":"*Childhood anxiety rarely declares itself with a single code — it sits within a structured ICD-11 grouping that a clinician maps to the specific presentation.*\n\n## In short\nIn the **ICD-11-MMS**, **6B0Z** is the residual category **\"Anxiety or fear-related disorders, unspecified\"** — used when an anxiety presentation in a child is clinically established but does not yet meet criteria for a more specific entity within the parent grouping **6B0–6B0Z (Anxiety or fear-related disorders)**. ICD-11 does not carve out a standalone paediatric anxiety block; childhood presentations are coded using the same disorder definitions applied with a developmental lens. The most relevant child-onset specific entity remains **separation anxiety disorder (6B05)**.\n\n## How ICD-11 frames it\nUnlike ICD-10, ICD-11 deliberately moved away from a separate \"disorders with onset in childhood\" silo for most anxiety presentations. Instead, clinicians select the best-fitting entity within the 6B0 grouping — for example generalised anxiety disorder (6B00), social anxiety disorder (6B04), separation anxiety disorder (6B05), or selective mutism (6B06) — and apply developmental judgement about age-expected fears versus clinically significant, persistent impairment. **6B0Z** is reserved for clinically significant anxiety that is documented but not further specifiable at the point of coding; it is a placeholder, not a preferred working diagnosis. Good practice is to refine toward a specific code as assessment matures, and to distinguish transient, developmentally normative anxiety from a disorder-level course.\n\n## When to refer\nRefer for structured assessment when anxiety is persistent (typically several weeks or more), pervasive across home and school, and functionally impairing — affecting attendance, sleep, peer relationships or learning — beyond what is expected for age. Comorbidity screening (mood, neurodevelopmental, somatic) is advisable, as is differentiating selective mutism and separation anxiety from social anxiety.\n\n## The Pinnacle way\nA clinical [AbilityScore®](/ask/what-is-the-abilityscore-and-how-is-it-calculated) and any diagnosis are formed only at a Pinnacle Blooms Network centre, under qualified clinician care — coding is confirmed clinically, never inferred from a checklist. Our [child psychology and behavioural therapy](/child-psychology) pathway supports anxiety presentations alongside structured developmental profiling. Explore the wider [Pinnacle approach](/) for how assessment translates into a plan families can follow.\n\n## Trusted sources\nWHO ICD-11 for Mortality and Morbidity Statistics, grouping for anxiety or fear-related disorders; WHO clinical descriptions and diagnostic requirements for mental and behavioural disorders.\n\n**Next step —** For a clinician-led assessment that confirms the right ICD-11 entity and a support plan, [partner with a Pinnacle centre](/child-psychology).\n\nThis is general information, not a diagnosis — individual assessment and diagnosis require an appropriately qualified healthcare professional.","canonical":"https://pinnacleblooms.org/ask/what-is-the-icd-11-classification-for-childhood-anxiety","editorial":{"reviewed_at":"2026-06-11T20:12:18.613642+00:00","reviewed_by":null,"developed_by":"SETU Consortium · Pinnacle Blooms Network"},"alternates":[{"href":"https://pinnacleblooms.org/ask/what-is-the-icd-11-classification-for-childhood-anxiety","lang":"en","indexable":true}],"dimensions":[{"key":"conditions","label":"Conditions"}],"meta_title":"Childhood Anxiety: ICD-11 Code 6B0Z Explained","meta_robots":"index, follow, max-image-preview:large","everyday_tip":"Document onset, settings, triggers and impairment before coding — this is what lets you refine 6B0Z toward a specific entity such as 6B05 or 6B04.","published_at":"2026-06-10T10:52:00.07543+00:00","reading_paths":[{"key":"understand","items":[{"lang":"en","slug":"what-is-the-icd-11-classification-for-emotional-and-behavioural-difficulties","title":"ICD-11 classification for Emotional & Behavioural Difficulties","reason":"Linked from this answer"},{"lang":"en","slug":"what-is-the-icd-11-classification-for-attachment-difficulties","title":"ICD-11 Classification for Attachment Difficulties (6B44)","reason":"Linked from this 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