Q78.4

Enchondromatosis

Billable / specificPOA exempt

Q78.4 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

  • Maffucci's syndrome
  • Ollier's disease

Includes (from Q78)

  • Note: Codes from this chapter are not for use on maternal records

Excludes2

Not included here — may be reported together when both conditions exist.

  • inborn errors of metabolism (E70-E88) (from Q78)
  • congenital myotonic chondrodystrophy (G71.13) (from Q78)

Also known as

  • Maffucci's syndrome
  • Ollier's disease
  • Chondrodysplasia, with hemangioma
  • Chondromatosis, internal
  • Dyschondroplasia
  • Osteochondromatosis, syndrome

Parent code

  • Q78Other osteochondrodysplasiasHeader

Related codes

  • Q78.0Osteogenesis imperfectaBillable
  • Q78.1Polyostotic fibrous dysplasiaBillable
  • Q78.2OsteopetrosisBillable
  • Q78.3Progressive diaphyseal dysplasiaBillable
  • Q78.5Metaphyseal dysplasiaBillable
  • Q78.6Multiple congenital exostosesBillable
  • Q78.8Other specified osteochondrodysplasiasBillable
  • Q78.9Osteochondrodysplasia, unspecifiedBillable

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