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ICD-10-CM Codes
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Q00-Q99
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Q65-Q79
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Q78-
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2023 ICD-10-CM Diagnosis Code Q78.4
2023 ICD-10-CM Diagnosis Code Q78.4
Enchondromatosis
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
- Q78.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2023 edition of ICD-10-CM Q78.4 became effective on October 1, 2022.
- This is the American ICD-10-CM version of Q78.4 - other international versions of ICD-10 Q78.4 may differ.
Applicable To- Maffucci's syndrome
- Ollier's disease
The following code(s) above
Q78.4 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
Q78.4:
- Maffucci syndrome
- Multiple enchondromatosis
Clinical Information
- A rare benign disorder characterized by lack of normal endchondral ossification, and the growth of multiple enchondromas. It primarily affects the bones of the hand, in children and young adults. Extent of the disease varies; in some cases, neoplastic involvement may be wide spread causing considerable deformity.
- A rare benign disorder characterized by lack of normal endochondral ossification, and the growth of multiple enchondromas. It primarily affects the bones of the hand, in children and young adults. Extent of the disease varies; in some cases, neoplastic involvement may be wide spread causing considerable deformity.
- Benign growths of cartilage in the metaphyses of several bones.
Present On AdmissionPOA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
- Q78.4 is considered exempt from POA reporting.
ICD-10-CM Q78.4 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
- 564 Other musculoskeletal system and connective tissue diagnoses with mcc
- 565 Other musculoskeletal system and connective tissue diagnoses with cc
- 566 Other musculoskeletal system and connective tissue diagnoses without cc/mcc
Convert Q78.4 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
- Chondrodysplasia Q78.9
ICD-10-CM Diagnosis Code Q78.9
Osteochondrodysplasia, unspecified
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
Applicable To- Chondrodystrophy NOS
- Osteodystrophy NOS
- Chondromatosis - see also Neoplasm, cartilage, uncertain behavior
- Dyschondroplasia Q78.4 (with hemangiomata)
- Enchondromatosis Q78.4 (cartilaginous) (multiple)
- Maffucci's syndrome Q78.4
- Ollier's disease Q78.4
- Osteochondromatosis D16.9
ICD-10-CM Diagnosis Code D16.9
Benign neoplasm of bone and articular cartilage, unspecified
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
ICD-10-CM Codes Adjacent To Q78.4
Q77.5 Diastrophic dysplasia
Q77.6 Chondroectodermal dysplasia
Q77.7 Spondyloepiphyseal dysplasia
Q77.8 Other osteochondrodysplasia with defects of growth of tubular bones and spine
Q77.9 Osteochondrodysplasia with defects of growth of tubular bones and spine, unspecified
Q78 Other osteochondrodysplasias
Q78.0 Osteogenesis imperfecta
Q78.1 Polyostotic fibrous dysplasia
Q78.3 Progressive diaphyseal dysplasia
Q78.4
Enchondromatosis
Q78.5 Metaphyseal dysplasia
Q78.6 Multiple congenital exostoses
Q78.8 Other specified osteochondrodysplasias
Q78.9 Osteochondrodysplasia, unspecified
Q79 Congenital malformations of musculoskeletal system, not elsewhere classified
Q79.0 Congenital diaphragmatic hernia
Q79.1 Other congenital malformations of diaphragm
Q79.4 Prune belly syndrome
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
