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Q78.4 - Enchondromatosis


The ICD 10 Code for Enchondromatosis is listed as Q78.4.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: Q78.4
Description: Enchondromatosis
  • Maffucci's syndrome
  • Ollier's disease
Diagnostic Related Groups
(MS-DRG v30.0)
564 - Other Musculoskeletal Sys & Connective Tissue Diagnoses W Mcc
565 - Other Musculoskeletal Sys & Connective Tissue Diagnoses W Cc
566 - Other Musculoskeletal Sys & Connective Tissue Diagnoses W/o Cc/mcc
Chapter Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Block Congenital malformations and deformations of the musculoskeletal system (Q65-Q79)
Parent Q78 - Other osteochondrodysplasias
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 756.4 - Chondrodystrophy (approximate)
ICD-10-CM Siblings (same level / similar specificity) of Q78.4:
Q78.0 - Osteogenesis imperfecta
Q78.1 - Polyostotic fibrous dysplasia
Q78.2 - Osteopetrosis
Q78.3 - Progressive diaphyseal dysplasia
Q78.5 - Metaphyseal dysplasia
Q78.6 - Multiple congenital exostoses
Q78.8 - Other specified osteochondrodysplasias
Q78.9 - Osteochondrodysplasia, unspecified