# ICD-11 Classification for Dyslexia (Reading Impairment)

Canonical: https://pinnacleblooms.org/ask/what-is-the-icd-11-classification-for-dyslexia-reading-impairment
Publisher: Pinnacle Blooms Network / Bharath Healthcare Laboratories Private Limited

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.

*A precise diagnostic code anchors every report, every referral and every funding decision — so getting the ICD-11 classification right matters.*

## In short
In **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.

## The classification, precisely
ICD-11 replaced the older ICD-10 "specific reading disorder" (F81.0) with a functionally framed model. Key points for clinical coding:

- **6A03** Developmental learning disorder is the parent term; reading-specific presentation is qualified as **6A03.0 — with impairment in reading**.
- The descriptor encompasses difficulties with word reading accuracy, reading fluency and reading comprehension — the cluster commonly termed dyslexia.
- Onset is during the developmental period and difficulties are persistent, not transient.
- Co-occurring impairments — e.g. **6A03.1** written expression, **6A03.2** mathematics — are coded additionally where present, as comorbidity is common.
- 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.

## When to assess
Reading 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.

## The Pinnacle way
A 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](/).

## Trusted sources
WHO 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.

**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).

This is general information, not a diagnosis — individual assessment and diagnosis require an appropriately qualified healthcare professional.

## Sources
- WHO ICD-11 for Mortality and Morbidity Statistics: https://icd.who.int
- World Health Organization classification framework: https://www.who.int

## Connected topics and perspectives
- Conditions: https://pinnacleblooms.org/ask/conditions
- Doctor: https://pinnacleblooms.org/ask/lens/stakeholder/doctor
- Cognitive: https://pinnacleblooms.org/ask/lens/domain/cognitive
- Definition: https://pinnacleblooms.org/ask/lens/intent/definition
- Screen: https://pinnacleblooms.org/ask/lens/lifecycle/screen
- Special Education: https://pinnacleblooms.org/ask/lens/route/special-education
- Early Clarity: https://pinnacleblooms.org/ask/lens/empowerment/early_clarity

## Related question paths

### Understand the subject
- Dyslexia (Reading Impairment): ICD-11 Definition: https://pinnacleblooms.org/ask/what-is-dyslexia-reading-impairment-and-what-are-its-icd-11-features-in-early-childhood
- ICD-11 Classification for Specific Learning Disability: https://pinnacleblooms.org/ask/what-is-the-icd-11-classification-for-specific-learning-disability
- What is the SNOMED CT concept for Dyslexia (Reading Impairment)?: https://pinnacleblooms.org/ask/what-is-the-snomed-ct-concept-for-dyslexia-reading-impairment
- ICD-11 Classification of Dysgraphia (6A03.1): https://pinnacleblooms.org/ask/what-is-the-icd-11-classification-for-dysgraphia-written-expression-impairment
- ICD-11 Classification for Developmental Language Disorder: https://pinnacleblooms.org/ask/what-is-the-icd-11-classification-for-developmental-language-disorder
- What is Specific Learning Disability, and what are its ICD-11 features in early childhood?: https://pinnacleblooms.org/ask/what-is-specific-learning-disability-and-what-are-its-icd-11-features-in-early-childhood
- How Dyslexia Affects a Child's Daily Life: https://pinnacleblooms.org/ask/how-does-dyslexia-reading-impairment-affect-a-child-s-daily-life
- Is Dyslexia Considered a Disability?: https://pinnacleblooms.org/ask/is-dyslexia-reading-impairment-considered-a-disability
- Is Dyslexia Genetic or Hereditary?: https://pinnacleblooms.org/ask/is-dyslexia-reading-impairment-genetic-or-hereditary
- What are common myths about Dyslexia (Reading Impairment)?: https://pinnacleblooms.org/ask/what-are-common-myths-about-dyslexia-reading-impairment
- What are the types or levels of Dyslexia?: https://pinnacleblooms.org/ask/what-are-the-types-or-levels-of-dyslexia-reading-impairment
- What causes dyslexia in children?: https://pinnacleblooms.org/ask/what-causes-dyslexia-reading-impairment-in-children

### Recognise signs & concerns
- Dyslexia red flags warranting referral in young children: https://pinnacleblooms.org/ask/what-clinical-red-flags-for-dyslexia-reading-impairment-warrant-referral-in-a-young-child
- What early indicators of dyslexia should a paediatrician watch for?: https://pinnacleblooms.org/ask/what-early-indicators-of-dyslexia-reading-impairment-should-a-paediatrician-watch-for
- When should a doctor refer a child with suspected dyslexia for developmental therapy?: https://pinnacleblooms.org/ask/when-should-a-doctor-refer-a-child-with-suspected-dyslexia-reading-impairment-for-developmental-therapy
- Can Dyslexia Be Cured?: https://pinnacleblooms.org/ask/can-dyslexia-reading-impairment-be-cured
- Can Dyslexia Be Prevented?: https://pinnacleblooms.org/ask/can-dyslexia-reading-impairment-be-prevented
- Do boys show dyslexia differently?: https://pinnacleblooms.org/ask/do-boys-show-dyslexia-reading-impairment-differently
- Do girls show dyslexia differently?: https://pinnacleblooms.org/ask/do-girls-show-dyslexia-reading-impairment-differently
- Spotting possible dyslexia early: https://pinnacleblooms.org/ask/how-can-a-frontline-health-worker-spot-a-child-with-possible-dyslexia-reading-impairment-early
- Should I be worried my child might have dyslexia?: https://pinnacleblooms.org/ask/should-i-be-worried-my-child-might-have-dyslexia-reading-impairment
- Early Signs of Dyslexia (Reading Impairment): https://pinnacleblooms.org/ask/what-are-the-early-signs-of-dyslexia-reading-impairment
- Early signs of dyslexia in a 1-year-old boy: https://pinnacleblooms.org/ask/what-are-the-early-signs-of-dyslexia-reading-impairment-in-a-1-year-old-boy
- Early Signs of Dyslexia in a 1-Year-Old Girl: https://pinnacleblooms.org/ask/what-are-the-early-signs-of-dyslexia-reading-impairment-in-a-1-year-old-girl

### Explore causes & influences
- Contributing Factors for Dyslexia in Early Childhood: https://pinnacleblooms.org/ask/what-are-the-known-contributing-factors-for-dyslexia-reading-impairment-in-early-childhood
- Are boys more likely to have dyslexia?: https://pinnacleblooms.org/ask/are-boys-more-likely-to-have-dyslexia-reading-impairment
- Are girls more likely to have dyslexia?: https://pinnacleblooms.org/ask/are-girls-more-likely-to-have-dyslexia-reading-impairment
- Early Dyslexia Intervention, UNCRPD and the SDGs: https://pinnacleblooms.org/ask/how-does-early-intervention-for-dyslexia-reading-impairment-advance-un-child-rights-uncrpd-and-the-sdgs
- What Causes Dyslexia in Young Children?: https://pinnacleblooms.org/ask/what-causes-dyslexia-reading-impairment-in-young-children
- Cost-effectiveness of early dyslexia therapy: https://pinnacleblooms.org/ask/what-is-the-cost-effectiveness-of-early-therapy-for-dyslexia-reading-impairment-in-young-children
- Dyslexia in India: prevalence and public-health burden: https://pinnacleblooms.org/ask/what-is-the-prevalence-and-public-health-burden-of-dyslexia-reading-impairment-among-young-children-in-india

### Understand assessment
- Dyslexia screening and diagnostic pathway under 7: https://pinnacleblooms.org/ask/what-is-the-recommended-screening-and-diagnostic-pathway-for-dyslexia-reading-impairment-in-children-under-7
- How AbilityScore tracks progress in a child with dyslexia: https://pinnacleblooms.org/ask/how-does-abilityscore-track-progress-in-a-child-with-dyslexia-reading-impairment
- How Dyslexia Is Assessed in a Young Child: https://pinnacleblooms.org/ask/how-is-dyslexia-reading-impairment-assessed-in-a-young-child
- How is Dyslexia Assessed in Children Under 7?: https://pinnacleblooms.org/ask/how-is-dyslexia-reading-impairment-assessed-in-children-under-7
- AbilityScore 0–100 for a child with dyslexia: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-0-100-mean-for-a-child-with-dyslexia-reading-impairment
- What an AbilityScore of 100–200 Means for a Child with Dyslexia: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-100-200-mean-for-a-child-with-dyslexia-reading-impairment
- What does an AbilityScore of 200–300 mean for a child with Dyslexia?: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-200-300-mean-for-a-child-with-dyslexia-reading-impairment
- What does an AbilityScore of 300–400 mean for a child with Dyslexia?: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-300-400-mean-for-a-child-with-dyslexia-reading-impairment
- What an AbilityScore of 400–500 Means for a Child with Dyslexia: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-400-500-mean-for-a-child-with-dyslexia-reading-impairment
- What does an AbilityScore of 500–600 mean for a child with Dyslexia?: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-500-600-mean-for-a-child-with-dyslexia-reading-impairment
- What does an AbilityScore of 600–700 mean in dyslexia?: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-600-700-mean-for-a-child-with-dyslexia-reading-impairment
- What an AbilityScore of 700–800 Means for a Child with Dyslexia: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-700-800-mean-for-a-child-with-dyslexia-reading-impairment

### Explore therapy & support
- Supporting a Child with Dyslexia Day to Day: https://pinnacleblooms.org/ask/as-a-grandparent-or-caregiver-how-can-i-support-a-child-with-dyslexia-reading-impairment-day-to-day
- Can a child with dyslexia attend a mainstream school?: https://pinnacleblooms.org/ask/can-a-child-with-dyslexia-reading-impairment-attend-a-mainstream-school
- Can a Child with Dyslexia Attend a Regular School?: https://pinnacleblooms.org/ask/can-a-child-with-dyslexia-reading-impairment-attend-a-regular-school
- Can a Child with Dyslexia Grow Up to Live Independently?: https://pinnacleblooms.org/ask/can-a-child-with-dyslexia-reading-impairment-grow-up-to-live-independently
- How a Teacher Can Help a Child with Dyslexia Learn: https://pinnacleblooms.org/ask/how-can-a-classroom-teacher-help-a-child-with-dyslexia-reading-impairment-take-part-and-learn
- Identifying and supporting under-7s at risk of dyslexia in a district programme: https://pinnacleblooms.org/ask/how-can-a-district-early-intervention-programme-identify-and-support-children-under-7-with-dyslexia-reading-impairment
- How a teacher can support a child with dyslexia in class: https://pinnacleblooms.org/ask/how-can-a-teacher-include-and-support-a-young-child-with-dyslexia-reading-impairment-in-a-mainstream-classroom
- Supporting Cognitive Development in a Child with Dyslexia: https://pinnacleblooms.org/ask/how-can-we-support-cognitive-development-in-a-child-with-dyslexia-reading-impairment
- How therapy helps a child with dyslexia make progress: https://pinnacleblooms.org/ask/how-does-therapy-help-a-child-with-dyslexia-reading-impairment-make-progress
- How Is Dyslexia Diagnosed in a Child?: https://pinnacleblooms.org/ask/how-is-dyslexia-reading-impairment-diagnosed-in-a-child
- How Dyslexia Is Supported Through Therapy: https://pinnacleblooms.org/ask/how-is-dyslexia-reading-impairment-supported-through-therapy
- Dyslexia AbilityScore 0–100 — Your Next Steps: https://pinnacleblooms.org/ask/my-child-with-dyslexia-reading-impairment-has-an-abilityscore-of-0-100-what-should-we-do-next

### At home & in everyday life
- How to Support Your Child with Dyslexia at Home: https://pinnacleblooms.org/ask/how-can-i-support-my-child-with-dyslexia-reading-impairment-at-home