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Q79.8

Other congenital malformations of musculoskeletal system

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 1 never code together
Q79code
Excludes2
  • congenital (sternomastoid) torticollis (Q68.0)Q68.0

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 7
Q79.8code
Inclusion terms
  • Absence of muscle
  • Absence of tendon
  • Accessory muscle
  • Amyotrophia congenita
  • Congenital constricting bands
  • Congenital shortening of tendon
  • Poland syndrome
Index entries leading here 20
  • Absence (of) (organ or part) (complete or partial)
    • muscle (congenital) (pectoral) Q79.8
    • tendon (congenital) Q79.8
  • Accessory (congenital)
  • Acromicria, acromikria Q79.8
  • Agenesis
  • Amyoplasia congenita Q79.8
  • Amyotrophia, amyotrophy, amyotrophic G71.8
  • Band (s)
    • constricting, congenital Q79.8
  • Fusion, fused (congenital)
  • Supernumerary (congenital)
  • Diastasis
  • Contraction (s) , contracture, contracted
    • ligament — see also Disorder, ligament
    • muscle (postinfective) (postural) NEC M62.40
  • Short, shortening, shortness
    • tendon — see also Contraction, tendon
  • Dysplasia — see also Anomaly
  • Hypoplasia, hypoplastic
  • Krabbe's
    • syndrome, congenital muscle hypoplasia Q79.8
  • Syndrome — see also Disease
    • Krabbe's congenital muscle hypoplasia Q79.8
    • Touraine's Q79.8
  • Myelo-osteo-musculodysplasia hereditaria Q79.8
  • Poland syndrome Q79.8
  • Thoracogastroschisis (congenital) Q79.8
  • Touraine's syndrome Q79.8
Alongside this code 8 same parent — Q79
Medications 2

MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.

Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
Q79
Block
Q65-Q79
Siblings
8

Present FY2024–FY2027.