# Signs of Intellectual Disability a Nurse Should Watch for

Canonical: https://pinnacleblooms.org/ask/what-signs-of-intellectual-disability-should-a-nurse-watch-for-in-a-young-child
Publisher: Pinnacle Blooms Network / Bharath Healthcare Laboratories Private Limited

For a young child, nurses should watch for persistent delays across multiple domains — motor, communication, cognitive/play, and adaptive self-care — benchmarked against CDC and IAP milestones, rather than a single isolated lag. The role is to observe, document and refer for structured assessment, never to diagnose. AbilityScore® is part of Pinnacle’s developmental assessment. Diagnosis, where needed, requires an appropriately qualified healthcare professional.

*A nurse is often the first trusted eye on a child's development — and gentle, early observation can open the door to support that changes everything.*

## In short
Intellectual developmental disorder (WHO ICD-11 6A00) is characterised by meaningful delays across **both** intellectual functioning (reasoning, learning, problem-solving) and adaptive functioning (everyday self-care, communication and social skills), emerging in the developmental period. For a nurse working with a young child, the most useful signs are **persistent, cross-domain developmental delays** measured against expected milestones — not any single isolated lag. Your role is to observe, document and refer for structured assessment; a diagnosis is never made from screening alone.

## Signs to watch for
Watch for delays that span multiple areas and persist over time, benchmarked against CDC and IAP milestone expectations:

- **Motor & early learning** — late sitting, crawling, standing or walking; difficulty with age-expected manipulation of objects; slow acquisition of new skills.
- **Communication** — delayed babbling, first words and word combinations; limited understanding of simple instructions; reduced gesture use.
- **Cognitive / play** — difficulty with cause-and-effect play, problem-solving, or learning routines that peers grasp readily; struggling to generalise a learned skill.
- **Adaptive / self-care** — lagging in feeding self, toileting, dressing and following simple daily routines relative to age.
- **Social-adaptive** — difficulty with age-typical turn-taking, imitation and responding to social cues.
- **Trajectory** — the key pattern is a child who is *consistently behind across several domains* and whose gap from peers widens or fails to close, rather than catching up.

Note any antenatal, perinatal or family risk factors (prematurity, birth asphyxia, genetic or metabolic conditions, recurrent seizures) and document objectively against milestone checklists.

## When to refer
Refer for formal developmental assessment when delays are present across more than one domain, when a child is not meeting milestones for their age band, or when a parent raises a concern — concern alone warrants a check. Any regression (loss of previously acquired skills), suspected hearing or vision deficit, or features suggesting an underlying medical cause should prompt prompt paediatric review alongside developmental referral.

## The Pinnacle way
AbilityScore® is part of Pinnacle’s developmental assessment. Diagnosis, where needed, requires an appropriately qualified healthcare professional — never from a screening checklist or app. The AbilityScore® is a clinician-administered structured assessment that maps a child's strengths and needs across developmental and adaptive domains, drawing on insight from 2.5 billion+ data points and 25 million+ therapy sessions. Explore [how the AbilityScore® works](/ask/what-is-the-abilityscore-and-how-is-it-calculated), our [developmental and adaptive-skills therapy](https://www.pinnacleblooms.org/best-occupational-therapy-center-india-proven-improvement-rate), and [Pinnacle Blooms Network](/) for the full pathway of support.

## Trusted sources
WHO ICD-11 (6A00, Disorders of intellectual development) defines the dual criterion of intellectual and adaptive deficits arising in the developmental period; CDC's *Learn the Signs. Act Early.* provides age-banded milestone benchmarks; the Indian Academy of Pediatrics and American Academy of Pediatrics (HealthyChildren.org) offer developmental surveillance guidance for clinicians.

**Next step —** Identified a child with cross-domain delay? [Refer for a clinician-led developmental assessment](https://www.pinnacleblooms.org/best-occupational-therapy-center-india-proven-improvement-rate) at a Pinnacle Blooms Network centre.

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

## Sources
- WHO ICD-11 · Disorders of intellectual development: https://icd.who.int/browse11
- CDC — Learn the Signs. Act Early. (milestones): https://www.cdc.gov/child-development
- American Academy of Pediatrics · HealthyChildren.org: https://www.healthychildren.org

## Connected topics and perspectives
- Conditions: https://pinnacleblooms.org/ask/conditions
- Nurse: https://pinnacleblooms.org/ask/lens/stakeholder/nurse
- Adaptive: https://pinnacleblooms.org/ask/lens/domain/adaptive
- Support: https://pinnacleblooms.org/ask/lens/intent/support
- Plan: https://pinnacleblooms.org/ask/lens/lifecycle/plan
- Special Education: https://pinnacleblooms.org/ask/lens/route/special-education
- Family Empowerment: https://pinnacleblooms.org/ask/lens/empowerment/family_empowerment

## Related question paths

### Understand the subject
- How Intellectual Disability affects a child's daily life: https://pinnacleblooms.org/ask/how-does-intellectual-disability-affect-a-child-s-daily-life
- Is Intellectual Disability considered a disability?: https://pinnacleblooms.org/ask/is-intellectual-disability-considered-a-disability
- Is Intellectual Disability Genetic or Hereditary?: https://pinnacleblooms.org/ask/is-intellectual-disability-genetic-or-hereditary
- What are common myths about Intellectual Disability?: https://pinnacleblooms.org/ask/what-are-common-myths-about-intellectual-disability
- Levels of Intellectual Disability: https://pinnacleblooms.org/ask/what-are-the-types-or-levels-of-intellectual-disability
- What causes Intellectual Disability in children?: https://pinnacleblooms.org/ask/what-causes-intellectual-disability-in-children
- Early Intervention Outcomes for Intellectual Disability in Children Under 7: https://pinnacleblooms.org/ask/what-does-current-research-show-about-early-intervention-outcomes-for-intellectual-disability-in-children-under-7
- What is Intellectual Disability?: https://pinnacleblooms.org/ask/what-is-intellectual-disability
- What is Intellectual Disability, and what are its ICD-11 features in early childhood?: https://pinnacleblooms.org/ask/what-is-intellectual-disability-and-what-are-its-icd-11-features-in-early-childhood
- ICD-11 Classification for Intellectual Disability (6A00): https://pinnacleblooms.org/ask/what-is-the-icd-11-classification-for-intellectual-disability
- What is the SNOMED CT concept for Intellectual Disability?: https://pinnacleblooms.org/ask/what-is-the-snomed-ct-concept-for-intellectual-disability
- What other conditions often occur alongside Intellectual Disability?: https://pinnacleblooms.org/ask/what-other-conditions-often-occur-alongside-intellectual-disability

### Recognise signs & concerns
- How a frontline health worker can spot possible Intellectual Disability early: https://pinnacleblooms.org/ask/how-can-a-frontline-health-worker-spot-a-child-with-possible-intellectual-disability-early
- Early indicators of Intellectual Disability for paediatricians: https://pinnacleblooms.org/ask/what-early-indicators-of-intellectual-disability-should-a-paediatrician-watch-for
- What early signs of Intellectual Disability should a frontline health worker look for during a home visit?: https://pinnacleblooms.org/ask/what-early-signs-of-intellectual-disability-should-a-frontline-health-worker-look-for-during-a-home-visit
- Can Intellectual Disability Be Cured?: https://pinnacleblooms.org/ask/can-intellectual-disability-be-cured
- Can Intellectual Disability Be Prevented?: https://pinnacleblooms.org/ask/can-intellectual-disability-be-prevented
- Do boys show Intellectual Disability differently?: https://pinnacleblooms.org/ask/do-boys-show-intellectual-disability-differently
- Do girls show Intellectual Disability differently?: https://pinnacleblooms.org/ask/do-girls-show-intellectual-disability-differently
- What are the early signs of Intellectual Disability?: https://pinnacleblooms.org/ask/what-are-the-early-signs-of-intellectual-disability
- Early Signs of Intellectual Disability in a 1-Year-Old Boy: https://pinnacleblooms.org/ask/what-are-the-early-signs-of-intellectual-disability-in-a-1-year-old-boy
- What are the early signs of Intellectual Disability in a 1-year-old girl?: https://pinnacleblooms.org/ask/what-are-the-early-signs-of-intellectual-disability-in-a-1-year-old-girl
- Early Signs of Intellectual Disability in a 12-to-18-Month-Old: https://pinnacleblooms.org/ask/what-are-the-early-signs-of-intellectual-disability-in-a-12-to-18-month-old
- Early Signs of Intellectual Disability at 18-24 Months: https://pinnacleblooms.org/ask/what-are-the-early-signs-of-intellectual-disability-in-a-18-to-24-month-old

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

### Understand assessment
- How AbilityScore® Tracks Progress in Intellectual Disability: https://pinnacleblooms.org/ask/how-does-abilityscore-track-progress-in-a-child-with-intellectual-disability
- How Intellectual Disability Is Assessed in a Young Child: https://pinnacleblooms.org/ask/how-is-intellectual-disability-assessed-in-a-young-child
- What an AbilityScore of 0–100 Means for Intellectual Disability: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-0-100-mean-for-a-child-with-intellectual-disability
- What does an AbilityScore of 100–200 mean for a child with Intellectual Disability?: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-100-200-mean-for-a-child-with-intellectual-disability
- What an AbilityScore of 200–300 Means in Intellectual Disability: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-200-300-mean-for-a-child-with-intellectual-disability
- What an AbilityScore of 300-400 Means for a Child with Intellectual Disability: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-300-400-mean-for-a-child-with-intellectual-disability
- What an AbilityScore of 400–500 Means in Intellectual Disability: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-400-500-mean-for-a-child-with-intellectual-disability
- What an AbilityScore of 500–600 Means in Intellectual Disability: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-500-600-mean-for-a-child-with-intellectual-disability
- What an AbilityScore of 600–700 Means in Intellectual Disability: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-600-700-mean-for-a-child-with-intellectual-disability
- AbilityScore 700–800 in Intellectual Disability: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-700-800-mean-for-a-child-with-intellectual-disability
- What does an AbilityScore of 800–900 mean for a child with Intellectual Disability?: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-800-900-mean-for-a-child-with-intellectual-disability
- What an AbilityScore® of 900–1000 means in Intellectual Disability: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-900-1000-mean-for-a-child-with-intellectual-disability

### Explore therapy & support
- Signs of Global Developmental Delay a nurse should watch for: https://pinnacleblooms.org/ask/what-signs-of-global-developmental-delay-should-a-nurse-watch-for-in-a-young-child
- Early Signs of Intellectual Disability a Daycare or Anganwadi Worker Might Notice: https://pinnacleblooms.org/ask/what-early-signs-of-intellectual-disability-might-a-daycare-or-anganwadi-worker-notice
- How is Intellectual Disability diagnosed in a child?: https://pinnacleblooms.org/ask/how-is-intellectual-disability-diagnosed-in-a-child
- How can a nurse support a child with Intellectual Disability and their family?: https://pinnacleblooms.org/ask/how-can-a-nurse-support-a-child-with-intellectual-disability-and-their-family
- Successful Adults Who Grew Up With Intellectual Disability: https://pinnacleblooms.org/ask/are-there-successful-adults-who-grew-up-with-intellectual-disability
- Does Intellectual Disability get better or worse as a child grows?: https://pinnacleblooms.org/ask/does-intellectual-disability-get-better-or-worse-as-a-child-grows
- Counselling and the emotional wellbeing of children with Intellectual Disability: https://pinnacleblooms.org/ask/how-can-a-counsellor-help-a-child-cope-with-the-emotional-impact-of-intellectual-disability
- Counsellor support for Intellectual Disability and family: https://pinnacleblooms.org/ask/how-can-a-counsellor-support-a-child-with-intellectual-disability-and-their-family
- How can a daycare or early-years worker support a child with Intellectual Disability?: https://pinnacleblooms.org/ask/how-can-a-daycare-or-early-years-worker-support-a-child-with-intellectual-disability
- How a Non-Verbal Child with Intellectual Disability Can Communicate: https://pinnacleblooms.org/ask/how-can-a-non-verbal-child-with-intellectual-disability-communicate
- How a social worker helps families access Intellectual Disability support: https://pinnacleblooms.org/ask/how-can-a-social-worker-help-a-family-access-services-and-support-for-intellectual-disability
- Supporting families raising a child with intellectual disability: https://pinnacleblooms.org/ask/how-can-a-social-worker-support-a-family-raising-a-child-with-intellectual-disability