# What is Hearing Impairment, and what are its ICD-11 features in early childhood?

Canonical: https://pinnacleblooms.org/ask/what-is-hearing-impairment-and-what-are-its-icd-11-features-in-early-childhood
Publisher: Pinnacle Blooms Network / Bharath Healthcare Laboratories Private Limited

Hearing impairment is reduced hearing sensitivity (conductive, sensorineural or mixed) classified in ICD-11 under ear diseases (AB50–AB5Z) by type, severity and laterality. In early childhood it threatens spoken-language acquisition, so failed newborn screens, absent orienting to sound, babble plateau and absent words by 16 months warrant prompt diagnostic audiology and early intervention.

*A baby who does not turn to your voice is not ignoring you — they may simply not be hearing it, and the earliest months matter most.*

## In short
Hearing impairment is any reduction in hearing sensitivity — conductive, sensorineural or mixed — that limits a child's access to sound and, critically in early childhood, to spoken language. In ICD-11 it is classified under diseases of the ear (block **AB50–AB5Z**, *Hearing impairment*), graded by degree (mild to profound) and laterality. Because the first three years are the window for auditory-driven language acquisition, undetected loss carries disproportionate developmental cost — making newborn screening and prompt confirmation non-negotiable.

## ICD-11 features in early childhood
ICD-11 frames hearing impairment by **type, severity and configuration**, mapped functionally to the ICF. In infancy the clinically meaningful features are:
- **Failed or referred newborn screen** (OAE/AABR) requiring diagnostic ABR confirmation
- **Absent or reduced startle/orienting** to sound; no turn to voice by ~6 months
- **Babble that plateaus or regresses** and limited consonant variety after 6–9 months
- **No single words by 16 months**, or vocabulary not building — a language delay that may be the first audible sign
- Risk markers: NICU stay, hyperbilirubinaemia, ototoxic exposure, congenital CMV, family history

Distinguish from global delay and ASD — though these co-occur and audiology must precede behavioural attribution.

## The Pinnacle way
Developmental measurement supports care planning; diagnosis requires an appropriately qualified healthcare professional., under qualified clinician care — never from an app or checklist. For confirmed loss, structured [audiology-informed listening and spoken-language therapy](https://www.pinnacleblooms.org/top-speech-therapy-center-india-proven-improvement-rate) is most effective when begun early; learn more on [Hearing Impairment](https://pinnacleblooms.org/ask/hearing-impairment) and how baseline functioning is measured via [the AbilityScore®](/ask/what-is-the-abilityscore-and-how-is-it-calculated).

## Trusted sources
WHO ICD-11 (ear and hearing block); CDC *Learn the Signs. Act Early.* milestones; Indian Academy of Pediatrics; American Academy of Pediatrics (HealthyChildren.org) on newborn hearing screening.

**Next step —** Confirm any failed screen with diagnostic audiology promptly, then [partner with a Pinnacle centre](https://pinnacleblooms.org/ask/hearing-impairment) for early intervention.

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

## Sources
- WHO ICD-11: https://icd.who.int/en
- CDC — Learn the Signs. Act Early.: 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
- Doctor: https://pinnacleblooms.org/ask/lens/stakeholder/doctor
- Sensory: https://pinnacleblooms.org/ask/lens/domain/sensory
- Definition: https://pinnacleblooms.org/ask/lens/intent/definition
- Screen: https://pinnacleblooms.org/ask/lens/lifecycle/screen
- Speech Therapy: https://pinnacleblooms.org/ask/lens/route/speech-therapy
- Early Clarity: https://pinnacleblooms.org/ask/lens/empowerment/early_clarity

## Related question paths

### Understand the subject
- ICD-11 Classification of Hearing Impairment: https://pinnacleblooms.org/ask/what-is-the-icd-11-classification-for-hearing-impairment
- What is Hearing Impairment?: https://pinnacleblooms.org/ask/what-is-hearing-impairment
- What Auditory represents developmentally and when delay is significant: https://pinnacleblooms.org/ask/what-does-auditory-represent-developmentally-and-when-is-a-delay-in-it-clinically-significant
- Types and Levels of Hearing Impairment: https://pinnacleblooms.org/ask/what-are-the-types-or-levels-of-hearing-impairment
- What is the SNOMED CT concept for Hearing Impairment?: https://pinnacleblooms.org/ask/what-is-the-snomed-ct-concept-for-hearing-impairment
- How Hearing Impairment Affects a Child's Daily Life: https://pinnacleblooms.org/ask/how-does-hearing-impairment-affect-a-child-s-daily-life
- Is Hearing Impairment considered a disability?: https://pinnacleblooms.org/ask/is-hearing-impairment-considered-a-disability
- Is Hearing Impairment Genetic or Hereditary?: https://pinnacleblooms.org/ask/is-hearing-impairment-genetic-or-hereditary
- What are common myths about Hearing Impairment?: https://pinnacleblooms.org/ask/what-are-common-myths-about-hearing-impairment
- What causes hearing impairment in children?: https://pinnacleblooms.org/ask/what-causes-hearing-impairment-in-children
- Early Intervention Outcomes for Hearing Impairment in Children Under 7: https://pinnacleblooms.org/ask/what-does-current-research-show-about-early-intervention-outcomes-for-hearing-impairment-in-children-under-7
- What other conditions often occur alongside hearing impairment?: https://pinnacleblooms.org/ask/what-other-conditions-often-occur-alongside-hearing-impairment

### Recognise signs & concerns
- Early indicators of hearing impairment for paediatricians: https://pinnacleblooms.org/ask/what-early-indicators-of-hearing-impairment-should-a-paediatrician-watch-for
- Hearing Impairment red flags for referral: https://pinnacleblooms.org/ask/what-clinical-red-flags-for-hearing-impairment-warrant-referral-in-a-young-child
- When should a doctor refer a child with suspected Hearing Impairment for developmental therapy?: https://pinnacleblooms.org/ask/when-should-a-doctor-refer-a-child-with-suspected-hearing-impairment-for-developmental-therapy
- Can Hearing Impairment Be Cured?: https://pinnacleblooms.org/ask/can-hearing-impairment-be-cured
- Can Hearing Impairment Be Prevented?: https://pinnacleblooms.org/ask/can-hearing-impairment-be-prevented
- Do boys show hearing impairment differently?: https://pinnacleblooms.org/ask/do-boys-show-hearing-impairment-differently
- Do girls show hearing impairment differently?: https://pinnacleblooms.org/ask/do-girls-show-hearing-impairment-differently
- How a frontline health worker can spot Hearing Impairment early: https://pinnacleblooms.org/ask/how-can-a-frontline-health-worker-spot-a-child-with-possible-hearing-impairment-early
- What are the early signs of Hearing Impairment?: https://pinnacleblooms.org/ask/what-are-the-early-signs-of-hearing-impairment
- Early Signs of Hearing Impairment in a 1-Year-Old Boy: https://pinnacleblooms.org/ask/what-are-the-early-signs-of-hearing-impairment-in-a-1-year-old-boy
- Early Signs of Hearing Impairment in a 1-Year-Old Girl: https://pinnacleblooms.org/ask/what-are-the-early-signs-of-hearing-impairment-in-a-1-year-old-girl
- Early Signs of Hearing Impairment at 12–18 Months: https://pinnacleblooms.org/ask/what-are-the-early-signs-of-hearing-impairment-in-a-12-to-18-month-old

### Explore causes & influences
- Contributing Factors for Hearing Impairment in Early Childhood: https://pinnacleblooms.org/ask/what-are-the-known-contributing-factors-for-hearing-impairment-in-early-childhood
- Are Boys More Likely to Have Hearing Impairment?: https://pinnacleblooms.org/ask/are-boys-more-likely-to-have-hearing-impairment
- Are girls more likely to have hearing impairment?: https://pinnacleblooms.org/ask/are-girls-more-likely-to-have-hearing-impairment
- Early Intervention for Hearing Impairment: Advancing Child Rights and the SDGs: https://pinnacleblooms.org/ask/how-does-early-intervention-for-hearing-impairment-advance-un-child-rights-uncrpd-and-the-sdgs
- What causes hearing impairment in young children?: https://pinnacleblooms.org/ask/what-causes-hearing-impairment-in-young-children
- Cost-effectiveness of early therapy for hearing impairment: https://pinnacleblooms.org/ask/what-is-the-cost-effectiveness-of-early-therapy-for-hearing-impairment-in-young-children
- Hearing Impairment in young children: India's prevalence and public-health burden: https://pinnacleblooms.org/ask/what-is-the-prevalence-and-public-health-burden-of-hearing-impairment-among-young-children-in-india

### Understand assessment
- Screening and diagnostic pathway for hearing impairment under 7: https://pinnacleblooms.org/ask/what-is-the-recommended-screening-and-diagnostic-pathway-for-hearing-impairment-in-children-under-7
- How AbilityScore Tracks Progress in a Child with Hearing Impairment: https://pinnacleblooms.org/ask/how-does-abilityscore-track-progress-in-a-child-with-hearing-impairment
- How Hearing Impairment Is Assessed in a Young Child: https://pinnacleblooms.org/ask/how-is-hearing-impairment-assessed-in-a-young-child
- What does an AbilityScore of 0–100 mean for a child with Hearing Impairment?: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-0-100-mean-for-a-child-with-hearing-impairment
- What does an AbilityScore of 100–200 mean for a child with Hearing Impairment?: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-100-200-mean-for-a-child-with-hearing-impairment
- AbilityScore 200–300 for a child with Hearing Impairment: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-200-300-mean-for-a-child-with-hearing-impairment
- What an AbilityScore of 300–400 Means for Hearing Impairment: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-300-400-mean-for-a-child-with-hearing-impairment
- What an AbilityScore of 400–500 Means for Hearing Impairment: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-400-500-mean-for-a-child-with-hearing-impairment
- What does an AbilityScore of 500–600 mean for a child with Hearing Impairment?: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-500-600-mean-for-a-child-with-hearing-impairment
- What an AbilityScore® of 600–700 Means for a Child with Hearing Impairment: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-600-700-mean-for-a-child-with-hearing-impairment
- What does an AbilityScore of 700–800 mean for a child with Hearing Impairment?: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-700-800-mean-for-a-child-with-hearing-impairment
- What does an AbilityScore of 800–900 mean for a child with Hearing Impairment?: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-800-900-mean-for-a-child-with-hearing-impairment

### Explore therapy & support
- How caregivers can support a child with hearing impairment: https://pinnacleblooms.org/ask/as-a-grandparent-or-caregiver-how-can-i-support-a-child-with-hearing-impairment-day-to-day
- Can a child with hearing impairment attend a mainstream school?: https://pinnacleblooms.org/ask/can-a-child-with-hearing-impairment-attend-a-mainstream-school
- Hearing Impairment and Mainstream Schooling: https://pinnacleblooms.org/ask/can-a-child-with-hearing-impairment-attend-a-regular-school
- Can a child with hearing impairment live independently?: https://pinnacleblooms.org/ask/can-a-child-with-hearing-impairment-grow-up-to-live-independently
- How a teacher can help a child with Hearing Impairment learn: https://pinnacleblooms.org/ask/how-can-a-classroom-teacher-help-a-child-with-hearing-impairment-take-part-and-learn
- Identifying and supporting children under 7 with hearing impairment: https://pinnacleblooms.org/ask/how-can-a-district-early-intervention-programme-identify-and-support-children-under-7-with-hearing-impairment
- How a teacher can include a child with hearing impairment: https://pinnacleblooms.org/ask/how-can-a-teacher-include-and-support-a-young-child-with-hearing-impairment-in-a-mainstream-classroom
- How to Support Sensory Development with Hearing Impairment: https://pinnacleblooms.org/ask/how-can-we-support-sensory-development-in-a-child-with-hearing-impairment
- How therapy helps a child with hearing impairment make progress: https://pinnacleblooms.org/ask/how-does-therapy-help-a-child-with-hearing-impairment-make-progress
- How Hearing Impairment Is Diagnosed in a Child: https://pinnacleblooms.org/ask/how-is-hearing-impairment-diagnosed-in-a-child
- How Hearing Impairment Is Supported Through Therapy: https://pinnacleblooms.org/ask/how-is-hearing-impairment-supported-through-therapy
- Hearing Impairment AbilityScore 0–100 — Next Steps: https://pinnacleblooms.org/ask/my-child-with-hearing-impairment-has-an-abilityscore-of-0-100-what-should-we-do-next