Category · F80-F89 block
F82 — Specific developmental disorder of motor function
Terminology note: This category is often referred to in everyday and some other classification systems as "developmental coordination disorder" — that term is not ICD-10's own title, but is noted here for orientation since it is the more commonly encountered name.
What is this category?
F82 covers a specific, significant impairment in the development of motor coordination that is not fully explained by a general intellectual disability or by a specific congenital or acquired neurological disorder. Unlike F80, F81, and F84, ICD-10 does not subdivide F82 into four-character subtypes — it is used as a single, bare three-character code.
Core diagnostic concept
F82 requires that motor coordination — the planning and execution of coordinated movements for activities such as dressing, catching a ball, handwriting, or running — is substantially below the level expected for the child's age and general intelligence, present from early development, and not attributable to a diagnosable neurological condition (such as cerebral palsy) or to a global intellectual disability.
Key diagnostic features
- Marked motor-coordination impairment for age
- Clumsiness or coordination difficulty clearly beyond ordinary variation for the child's age.
- Not explained by a neurological diagnosis
- Any recognisable neurological condition causing the coordination difficulty (for example, a diagnosed cerebral palsy) is excluded first.
- Not explained by global intellectual disability
- The coordination deficit is out of proportion to general intellectual ability, not simply part of an across-the-board delay.
- No further ICD-10 subdivision
- Unlike F80/F81/F84, this category has no four-character subtypes in this classification basis — it is coded as F82 alone.
How to weigh evidence
These learning labels are teaching aids, not official ICD-10 terminology (see Sources and Method).
- supports A 7-year-old has persistent difficulty with handwriting, buttoning clothes, and catching a ball, clearly beyond what is typical for his age, with no neurological diagnosis and average general intellectual ability.
- consistent not decisive A child is described by a parent as "a bit clumsy" with no comparison to age-expected milestones.
- raises alternative The same coordination difficulty occurring alongside a recently diagnosed neurological condition affecting movement.
- contradicts or weakens A formal neurological assessment identifying a specific diagnosable cause for the movement difficulty.
- missing and necessary to ask Whether a neurological cause has actually been assessed and ruled out, and how the child's general intellectual ability compares to the coordination deficit.
Diagnostic boundary
F82 requires a motor-coordination deficit out of proportion to general ability, with a diagnosable neurological cause ruled out — distinguished from F70-F73 by the specific-versus-global pattern, and from F83 by motor coordination being the sole affected domain rather than one of several.
Full comparisons:
Duration and course
Minimum duration: Not a duration threshold — the criterion is a pattern present from early development.
Course: Coordination difficulty often persists to some degree, though functional impact can improve substantially with targeted support.
Included presentations
- A specific, significant motor-coordination impairment present from early development, out of proportion to general ability, with no diagnosable neurological cause.
Exclusions and distinguishing presentations
| If this is true instead… | Consider | Why |
|---|---|---|
| Coordination difficulty explained by a diagnosed neurological condition | neurological_diagnosis_not_coded_here | A specific neurological cause, once identified, is the primary classification, not F82. |
| Coordination difficulty proportionate to a globally subnormal general intellectual level | F70 | When the motor deficit matches the child's overall intellectual level rather than being out of proportion to it, an intellectual disability classification better fits. |
| Motor coordination difficulty occurring alongside significant language or scholastic-skill impairment, with no single domain clearly predominant | F83 | A genuinely mixed picture across developmental domains is classified as F83, not as an isolated motor disorder. |
External causes to check first
Categories in this block require that the disturbance is not better explained by another external cause listed below. These short capsules are reminders, not full teaching modules.
Boundary capsule — What rules a specific developmental disorder in (and out) across F80-F83
A shared reasoning check for the four 'specific developmental disorder' categories (F80 speech and language, F81 scholastic skills, F82 motor function, F83 mixed) that all share the same underlying diagnostic logic: onset in infancy or childhood, a steady course without the remissions and relapses typical of many other developmental conditions, close association with a specific innate cognitive-processing impairment, and — decisively — a deficit that cannot be explained away by lack of opportunity, by general intellectual level, or by a sensory/motor/neurological deficit that would directly account for it.
What to check:
- Onset and course: is the pattern present from early development with a steady, non-episodic course, rather than an acquired loss of a previously present skill or a fluctuating pattern with remissions and relapses?
- Opportunity to learn: has the child had adequate exposure to the relevant input and instruction (spoken language, schooling, motor practice)? A deficit that is fully explained by a lack of adequate opportunity does not meet a specific developmental disorder.
- General intellectual level: is the specific deficit clearly out of proportion to the person's general intellectual level, rather than a deficit that is simply consistent with, and proportionate to, a lower general intellectual level overall? A specific developmental disorder can co-occur with a lower general level, but the specific deficit must exceed what that general level alone would predict.
- Sensory, motor, or neurological explanation: is there a hearing impairment, visual impairment, or neurological/motor condition that would, on its own, directly explain the observed deficit? If so, that direct explanation is coded and considered first, rather than a specific developmental disorder.
A full developmental, audiological, and psychoeducational assessment by qualified professionals, which is what actually establishes opportunity, general ability, and sensory/neurological status in real practice.
Worked example — an isolated motor-coordination difficulty
A 7-year-old boy has struggled with handwriting, using cutlery neatly, and catching a ball since early childhood, clearly more than his classmates. A paediatric neurological assessment found no diagnosable condition, and his general intellectual ability, formally assessed, is average. His language, reading, and social development are all age-appropriate.
- Step 1 — Confirm the coordination deficit is marked for his age: handwriting, cutlery use, and ball skills are all clearly behind peers.
- Step 2 — Check for a neurological cause: a formal assessment found none.
- Step 3 — Check general ability: average, so the coordination deficit is out of proportion to it, not part of a global pattern.
- Step 4 — Check other domains: language, reading, and social development are all age-appropriate, so this is an isolated motor difficulty, not a mixed picture.
- Conclusion — With a neurological cause and global delay both ruled out, and the difficulty isolated to motor coordination, F82 is supported.
Interactive practice
- Type A Clumsy for his age, and nothing else Recognition · Foundational
- Type B Clumsy — but for a documented neurological reason Boundary discrimination · Transfer
Retrieval prompts
Try answering each of these from memory before revealing where to check. Nothing you think or type here is sent or saved anywhere.
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Name the two things that must be ruled out before an F82 classification is supported.
Reveal answer location
Check Duration and course, Diagnostic boundary, or the rapid revision card below — the cue you need is one of those, in this category's own already-authored wording.
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Explain why F82 has no four-character subtypes to memorise, unlike F80, F81, or F84.
Reveal answer location
Check Duration and course, Diagnostic boundary, or the rapid revision card below — the cue you need is one of those, in this category's own already-authored wording.
These self-checks are a personal study aid only, visible to you on this page for this visit — they are not stored and do not affect your mastery dimensions.
Rapid revision card
F82: A motor-coordination deficit out of proportion to general ability, present from early development, with a neurological cause ruled out.
Decisive boundary cues:
- No diagnosable neurological cause, average general ability -> weighs toward F82.
- A confirmed neurological diagnosis explaining the movement difficulty -> weighs away from F82.
- Coordination difficulty alongside significant language or scholastic impairment, no clearly predominant domain -> weighs toward F83.
Duration/course: Present from early development, not a sudden or recent change.
Nearest alternatives: F83, F70
Common mistake: Assuming clumsiness alone is enough for F82 without checking for a neurological cause or comparing to general ability.
Retrieval prompt: What single piece of information would you need to rule out a neurological cause here?
(or use your browser's print function) Open full-page printable revision view →
Related glossary terms
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Specific developmental disorder
A disorder (F80-F83) in which a specific skill area — speech and language, scholastic skills, or motor function — fails to develop normally from early childhood, with onset in infancy or childhood, a steady course, and a deficit not explained by inadequate opportunity to learn, by general intellectual level alone, or by a sensory or neurological condition that would directly account for it.
Source basis
WHO ICD-10 international classification structure and code/title (ICD-10 Browser, 2019 English release).
Original educational synthesis, informed by general published clinical-education understanding of ICD-10 F80-F89; no verbatim CDDG or DCR text is reproduced. See Sources and Method for the full policy.
Last reviewed: 2026-09-17. Full policy: Sources and Method.
Educational resource only. This page and its cases teach ICD-10 classification reasoning using fictional scenarios. It does not diagnose real people and should not be used to assess yourself or anyone else. If you are concerned about a child's development, speech, learning, motor skills, or social communication, please speak with a qualified professional for assessment and support.