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Q78.9

Osteochondrodysplasia, unspecified

Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 8 more specific codes sit alongside it. Worth checking whether the documentation supports one of them.
Exclusions 1 never code together
Q78code
Excludes2
  • congenital myotonic chondrodystrophy (G71.13)G71.13

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

Instructional notes 2
Q78.9code
Inclusion terms
  • Chondrodystrophy NOS
  • Osteodystrophy NOS
Index entries leading here 9
  • Anomaly, anomalous (congenital) (unspecified type) Q89.9
    • skeleton generalized Q78.9
  • Anosteoplasia Q78.9
  • Chondrodysplasia Q78.9
  • Chondrodystrophy, chondrodystrophia (familial) (fetalis) (hypoplastic) Q78.9
  • Osteodystrophy Q78.9
  • Dysostosis
    • Fairbank's (idiopathic familial generalized osteophytosis) Q78.9
  • Osteochondrodysplasia Q78.9
  • Syndrome — see also Disease
  • Silfversköld's syndrome Q78.9
Alongside this code 8 same parent — Q78
Q78.0 Osteogenesis imperfecta Q78.1 Polyostotic fibrous dysplasia Q78.2 Osteopetrosis Q78.3 Progressive diaphyseal dysplasia Q78.4 Enchondromatosis Q78.5 Metaphyseal dysplasia Q78.6 Multiple congenital exostoses Q78.8 Other specified osteochondrodysplasias
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
Q78
Block
Q65-Q79
Siblings
8

Present FY2024–FY2027.