{"h1":"ICD-11 Classification for Dyslexia (Reading Impairment): 6A03.0","faq":[{"a":"Dyslexia is classified under ICD-11-MMS code 6A03.0 — Developmental learning disorder with impairment in reading, within the parent category 6A03 Developmental learning disorder.","q":"What is the ICD-11 code for dyslexia?"},{"a":"ICD-10 used F81.0 'specific reading disorder'. ICD-11 reframes this functionally as 6A03.0, within the broader developmental learning disorder construct that allows co-coding of reading, written expression and mathematics impairments.","q":"How does ICD-11 differ from ICD-10 for reading disorder?"},{"a":"Reading impairment is reliably formalised only once formal literacy instruction is established, typically from age 6–8 onwards, since persistent difficulty despite adequate instruction is central to the diagnosis.","q":"Can dyslexia be diagnosed in a preschooler?"},{"a":"Yes. Co-occurring impairments in written expression (6A03.1) or mathematics (6A03.2) are coded additionally where present, as comorbidity within developmental learning disorder is common.","q":"Does ICD-11 allow coding of co-occurring learning difficulties?"}],"lang":"en","slug":"what-is-the-icd-11-classification-for-dyslexia-reading-impairment","title":"ICD-11 Classification for Dyslexia (Reading Impairment)","entity":{"key":"dyslexia","kind":"condition","name":"Dyslexia (Reading Impairment)","slug":null},"lenses":[{"kind":"stakeholder","label":"Doctor","value":"doctor"},{"kind":"domain","label":"Cognitive","value":"cognitive"},{"kind":"intent","label":"Definition","value":"definition"},{"kind":"lifecycle","label":"Screen","value":"screen"},{"kind":"route","label":"Special-Education","value":"special-education"},{"kind":"empowerment","label":"Early Clarity","value":"early_clarity"}],"parent":{"key":"conditions","label":"Conditions"},"related":[{"lang":"en","slug":"what-is-the-snomed-ct-concept-for-dyslexia-reading-impairment","title":"What is the SNOMED CT concept for Dyslexia (Reading Impairment)?"},{"lang":"en","slug":"what-is-the-icd-11-classification-for-dysgraphia-written-expression-impairment","title":"ICD-11 Classification of Dysgraphia (6A03.1)"},{"lang":"en","slug":"what-is-dyslexia-reading-impairment-and-what-are-its-icd-11-features-in-early-childhood","title":"Dyslexia (Reading Impairment): ICD-11 Definition"},{"lang":"en","slug":"what-is-the-icd-11-classification-for-developmental-language-disorder","title":"ICD-11 Classification for Developmental Language Disorder"},{"lang":"en","slug":"what-is-the-icd-11-classification-for-specific-learning-disability","title":"ICD-11 Classification for Specific Learning Disability"},{"lang":"en","slug":"what-is-specific-learning-disability-and-what-are-its-icd-11-features-in-early-childhood","title":"What is Specific Learning Disability, and what are its ICD-11 features in early childhood?"}],"summary":"In ICD-11-MMS, Dyslexia is coded 6A03.0 — Developmental learning disorder with impairment in reading, under the parent category 6A03. It denotes persistent, significant difficulty with reading accuracy, fluency and comprehension below age and ability expectation, not explained by intellectual disability, sensory impairment or inadequate schooling.","answer_md":"*A precise diagnostic code anchors every report, every referral and every funding decision — so getting the ICD-11 classification right matters.*\n\n## In short\nIn **ICD-11-MMS**, Dyslexia is classified under code **6A03.0 — Developmental learning disorder with impairment in reading**. It sits within the parent category **6A03 Developmental learning disorder**, itself nested in the neurodevelopmental disorders grouping. The code captures significant, persistent difficulty acquiring reading accuracy, fluency and comprehension that is markedly below expectation for age and intellectual ability, and not better accounted for by intellectual disability, sensory impairment, neurological disorder, inadequate schooling or lack of language proficiency.\n\n## The classification, precisely\nICD-11 replaced the older ICD-10 \"specific reading disorder\" (F81.0) with a functionally framed model. Key points for clinical coding:\n\n- **6A03** Developmental learning disorder is the parent term; reading-specific presentation is qualified as **6A03.0 — with impairment in reading**.\n- The descriptor encompasses difficulties with word reading accuracy, reading fluency and reading comprehension — the cluster commonly termed dyslexia.\n- Onset is during the developmental period and difficulties are persistent, not transient.\n- Co-occurring impairments — e.g. **6A03.1** written expression, **6A03.2** mathematics — are coded additionally where present, as comorbidity is common.\n- Diagnosis requires that difficulties are quantifiably below the level expected for chronological age and are not attributable to a disorder of intellectual development, uncorrected visual or hearing impairment, other neurological or motor disorder, lack of access to education, or limited language proficiency in the language of assessment.\n\n## When to assess\nReading impairment is reliably formalised once formal literacy instruction is established — typically from **age 6–8 onwards** — as persistent difficulty despite adequate instruction and opportunity is central to the construct. Refer for structured assessment when a child shows ongoing difficulty with decoding, reading speed or comprehension that is disproportionate to overall cognitive ability and other learning.\n\n## The Pinnacle way\nA clinical AbilityScore® and any diagnosis are established **only at a Pinnacle Blooms Network centre, under qualified clinician care** — never from a code lookup or an online tool. Our clinician-administered structured assessment profiles reading alongside language, cognition and attention, so the formulation reflects the whole child. Explore [how the AbilityScore® is determined](/ask/what-is-the-abilityscore-and-how-is-it-calculated), our [structured learning and literacy support](/special-education), and the [Pinnacle approach](/).\n\n## Trusted sources\nWHO ICD-11 for Mortality and Morbidity Statistics, neurodevelopmental disorders chapter (developmental learning disorder); WHO classification framework guidance. Codes should be confirmed against the current ICD-11 browser before clinical use.\n\n**Next step —** Partner with Pinnacle for clinician-led literacy assessment and intervention — [begin a referral](https://www.pinnacleblooms.org/enroll-autism-speech-aba-therapies-india).\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-dyslexia-reading-impairment","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-dyslexia-reading-impairment","lang":"en","indexable":true},{"href":"https://pinnacleblooms.org/ask/what-is-the-icd-11-classification-for-dyslexia-reading-impairment-te","lang":"te","indexable":true}],"dimensions":[{"key":"conditions","label":"Conditions"}],"meta_title":"Dyslexia ICD-11 Code 6A03.0 Explained","meta_robots":"index, follow, max-image-preview:large","everyday_tip":"Code 6A03.0 alongside any co-occurring 6A03.1 (written expression) or 6A03.2 (mathematics) impairment where present — comorbidity is common and changes the support plan.","published_at":"2026-06-10T10:52:00.07543+00:00","reading_paths":[{"key":"understand","items":[{"lang":"en","slug":"what-is-dyslexia-reading-impairment-and-what-are-its-icd-11-features-in-early-childhood","title":"Dyslexia (Reading Impairment): ICD-11 Definition","reason":"Linked from this 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schooling, sensory or language factors — particularly from age 6–8 onwards.","authority_links":[{"url":"https://icd.who.int","code":"6A03.0","label":"WHO ICD-11 for Mortality and Morbidity Statistics"},{"url":"https://www.who.int","label":"World Health Organization classification framework"}],"last_reviewed_at":"2026-06-10T10:52:00.07543+00:00","meta_description":"ICD-11-MMS classifies Dyslexia as 6A03.0 — Developmental learning disorder with impairment in reading. Definition, criteria and referral guidance for clini","related_materials":[],"related_techniques":[]}