{"h1":"SNOMED CT Concept for Hypotonia (Low Muscle Tone)","faq":[{"a":"Hypotonia is represented by 'Hypotonia (finding)', Concept ID 398151000, within the SNOMED CT Clinical finding hierarchy. Always confirm the identifier against your live terminology release, as concepts are versioned.","q":"What is the SNOMED CT concept ID for hypotonia?"},{"a":"It is a clinical finding describing reduced resting muscle tone — a sign, not an aetiological diagnosis. The underlying cause, whether central, peripheral or mixed, requires separate evaluation and coding.","q":"Is hypotonia a diagnosis or a finding in SNOMED CT?"},{"a":"Map to the most specific clinically supportable term. Concepts such as congenital or benign congenital hypotonia carry their own identifiers and improve record precision and interoperability.","q":"Should I code the general hypotonia concept or a more specific one?"}],"lang":"en","slug":"what-is-the-snomed-ct-concept-for-hypotonia-low-muscle-tone","title":"SNOMED CT Concept for Hypotonia (Low Muscle Tone)","entity":{"key":"low-muscle-tone","kind":"condition","name":"Hypotonia (Low Muscle Tone)","slug":null},"lenses":[{"kind":"stakeholder","label":"Doctor","value":"doctor"},{"kind":"domain","label":"Motor","value":"motor"},{"kind":"intent","label":"Definition","value":"definition"},{"kind":"lifecycle","label":"Screen","value":"screen"},{"kind":"route","label":"Occupational-Therapy","value":"occupational-therapy"},{"kind":"empowerment","label":"Early Clarity","value":"early_clarity"}],"parent":{"key":"conditions","label":"Conditions"},"related":[{"lang":"en","slug":"what-are-the-known-contributing-factors-for-hypotonia-low-muscle-tone-in-early-childhood","title":"Contributing factors for hypotonia in early childhood"},{"lang":"en","slug":"what-is-hypotonia-low-muscle-tone-and-what-are-its-icd-11-features-in-early-childhood","title":"What is Hypotonia and its ICD-11 features in early childhood?"},{"lang":"en","slug":"how-common-is-hypotonia-low-muscle-tone-in-children","title":"How common is hypotonia (low muscle tone) in children?"},{"lang":"en","slug":"what-causes-hypotonia-low-muscle-tone-in-children","title":"What causes hypotonia (low muscle tone) in children?"},{"lang":"en","slug":"how-is-hypotonia-low-muscle-tone-diagnosed-in-a-child","title":"How Is Hypotonia (Low Muscle Tone) Diagnosed in a Child?"},{"lang":"en","slug":"what-is-the-icd-11-classification-for-hypotonia-low-muscle-tone","title":"ICD-11 Classification of Hypotonia (Low Muscle Tone)"}],"summary":"In SNOMED CT, hypotonia is coded as the clinical finding 'Hypotonia (finding)', Concept ID 398151000 — a sign of reduced resting muscle tone, not a diagnosis. Map to the most specific supportable term and confirm IDs and ICD-11 maps against the live terminology release.","answer_md":"*Clinicians need the right terminology binding before hypotonia ever reaches a problem list — here is the SNOMED CT concept that carries it.*\n\n## In short\nIn SNOMED CT, **Hypotonia** is represented by the concept **Hypotonia (finding)**, with Concept ID **398151000** (fully specified name *Hypotonia (finding)*). It is a clinical finding describing reduced resting muscle tone — diminished resistance to passive movement — and is the appropriate coding anchor for documentation, referral and interoperability. Hypotonia is a sign, not a diagnosis in itself; the underlying aetiology (central, peripheral or mixed) drives the work-up.\n\n## The terminology, briefly\nHypotonia sits within the SNOMED CT *Clinical finding* hierarchy as a descendant of abnormal muscle tone findings. Related concepts you may encounter when refining a record include *Decreased muscle tone* and aetiology-specific entities such as *Congenital hypotonia* or *Benign congenital hypotonia* — each carries its own concept ID, so map to the most specific clinically supportable term rather than defaulting to the parent. For cross-system reporting, SNOMED CT findings map to **ICD-11** classification entries; verify the current binding in your jurisdiction's terminology service, as identifiers and maps are versioned and should be confirmed against the live release rather than memorised.\n\n## When this matters clinically\nCode hypotonia as a finding while the aetiological pathway is open. Central hypotonia (often with preserved or brisk reflexes) points toward neurological evaluation; peripheral hypotonia (with weakness and depressed reflexes) suggests neuromuscular assessment. In paediatric developmental practice, persistent low tone affecting feeding, head control, posture or gross-motor milestones warrants prompt developmental and, where indicated, neurological review — not therapy in isolation.\n\n## The Pinnacle way\nDevelopmental measurement supports care planning; diagnosis requires an appropriately qualified healthcare professional., under qualified clinician care — never from a code or an online form. Accurate terminology is where structured care begins: it lets a child's profile travel cleanly across [our developmental services](/) and feed a reliable baseline via the [clinician-administered AbilityScore®](/ask/what-is-the-abilityscore-and-how-is-it-calculated). Where low tone affects movement and posture, structured [occupational and physiotherapy support](https://www.pinnacleblooms.org/best-occupational-therapy-center-india-proven-improvement-rate) is planned around that baseline.\n\n## Trusted sources\nWHO ICD-11 classification of functioning and disease; SNOMED International clinical terminology framework; AAP developmental surveillance guidance.\n\n**Next step —** Reviewing a child with persistent low tone? [Partner with a Pinnacle centre](/) for a clinician-led developmental assessment.","canonical":"https://pinnacleblooms.org/ask/what-is-the-snomed-ct-concept-for-hypotonia-low-muscle-tone","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-snomed-ct-concept-for-hypotonia-low-muscle-tone","lang":"en","indexable":true},{"href":"https://pinnacleblooms.org/ask/what-is-the-snomed-ct-concept-for-hypotonia-low-muscle-tone-te","lang":"te","indexable":true}],"dimensions":[{"key":"conditions","label":"Conditions"}],"meta_title":"SNOMED CT Concept for Hypotonia (Low Muscle Tone)","meta_robots":"index, follow, max-image-preview:large","everyday_tip":"When recording hypotonia, map to the most specific clinically supportable concept rather than defaulting to the parent term, and confirm the concept ID and ICD-11 map against your live terminology service release.","published_at":"2026-06-10T10:52:00.07543+00:00","reading_paths":[{"key":"understand","items":[{"lang":"en","slug":"what-is-the-icd-11-classification-for-hypotonia-low-muscle-tone","title":"ICD-11 Classification of Hypotonia (Low Muscle Tone)","reason":"Linked from this answer"},{"lang":"en","slug":"what-is-hypotonia-low-muscle-tone-and-what-are-its-icd-11-features-in-early-childhood","title":"What is Hypotonia and its ICD-11 features in early childhood?","reason":"Linked from this answer"},{"lang":"en","slug":"what-causes-hypotonia-low-muscle-tone-in-children","title":"What causes hypotonia (low muscle tone) in children?","reason":"Linked from this answer"},{"lang":"en","slug":"how-does-hypotonia-low-muscle-tone-affect-a-child-s-daily-life","title":"How Hypotonia (Low Muscle Tone) Affects a Child's Daily Life","reason":"Same topic"},{"lang":"en","slug":"is-hypotonia-low-muscle-tone-considered-a-disability","title":"Is Hypotonia (Low Muscle Tone) Considered a 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