Q77.4
BillableAchondroplasia
Achondroplasia
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Hypochondroplasia
- Osteosclerosis congenita
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Related Codes(9)
Q77.0Achondrogenesis
Q77.1Thanatophoric short stature
Q77.2Short rib syndrome
Q77.3Chondrodysplasia punctata
Q77.5Diastrophic dysplasia
Q77.6Chondroectodermal dysplasia
Q77.7Spondyloepiphyseal dysplasia
Q77.8Oth osteochndrdys w defct of growth of tublr bones and spine
Q77.9Osteochndrdys w defct of grth of tublr bones and spine, unsp
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(66)
SNOMED CT
- Achondrogenesis2391001
- Achondroplasia86268005
- Achondroplastic dwarf86268005
- Achondroplastic dwarfism86268005
- Chondrodystrophia fetalis86268005
- Congenital osteosclerosis86268005
- Osteosclerosis congenita86268005
- Severe combined immunodeficiency with low T- and B-cell numbers190997006
- Hypochondrodysplasia205468002
- Hypochondroplasia205468002
- Lethal chondrodysplasia with fragmented bone389260001
- Acanthosis nigricans402599005
- Achondroplasia, severe combined immunodeficiency syndrome789777007
- Achondroplasia-Swiss type agammaglobulinaemia syndrome789777007
- Achondroplasia-Swiss type agammaglobulinemia syndrome789777007
- Immunodeficiency, short limb dwarfism syndrome789777007
- Short-limb skeletal dysplasia with severe combined immunodeficiency789777007
- SADDAN (severe achondroplasia, developmental delay, acanthosis nigricans) syndrome874931001
- Severe achondroplasia, developmental delay, acanthosis nigricans syndrome874931001
UMLS
- ACHC0001080
- ACHONDROPLASIAC0001080
- AchondroplasiaC0001080
- Achondroplasia (disorder)C0001080
- AchondroplasiasC0001080
- Achondroplastic dwarfC0001080
- Achondroplastic dwarfismC0001080
- Chondrodystrophia fetalisC0001080
- Congenital osteosclerosisC0001080
- Dwarf, achondroplasticC0001080
- Osteosclerosis congenitaC0001080
- achondroplasiaC0001080
- achondroplastic dwarfC0001080
- achondroplastic dwarfismC0001080
- chondrodystrophiaC0001080
- osteosclerosis congenitaC0001080
- HCHC0410529
- HYPOCHONDROPLASIAC0410529
- HypochondrodysplasiaC0410529
- HypochondroplasiaC0410529
- Hypochondroplasia (disorder)C0410529
- hypochondroplasiaC0410529
Clinical Terms
- Osteosclerosis congenita
- chondrodystrophia
- Achondroplastic dwarf
- Achondroplasia-Swiss type agammaglobulinemia syndrome
- Congenital osteosclerosis
- hypochondroplasia
- Severe achondroplasia, developmental delay, acanthosis nigricans syndrome
- SADDAN (severe achondroplasia, developmental delay, acanthosis nigricans) syndrome
- Hypochondroplasia (disorder)
- Acanthosis nigricans
- Achondroplasia, severe combined immunodeficiency syndrome
- Severe combined immunodeficiency with low T- and B-cell numbers
- Short-limb skeletal dysplasia with severe combined immunodeficiency
- HCH
- Achondroplasia-Swiss type agammaglobulinaemia syndrome
- achondroplastic dwarfism
- Hypochondrodysplasia
- Chondrodystrophia fetalis
- Achondroplasia (disorder)
- ACH
- Lethal chondrodysplasia with fragmented bone
- Achondrogenesis
- Immunodeficiency, short limb dwarfism syndrome
- Achondroplasias
- Dwarf, achondroplastic
Frequently Asked Questions
What is the ICD-10 code for achondroplasia?
The ICD-10-CM code for achondroplasia is Q77.4. The full clinical description is "Achondroplasia". Q77.4 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code Q77.4 mean?
ICD-10-CM code Q77.4 represents “Achondroplasia”. It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a billable/specific code that can be used on a claim.
Is Q77.4 a billable code?
Yes, Q77.4 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is Q77.4 in?
Q77.4 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
What codes cannot be used with Q77.4?
Q77.4 has Excludes1 notes indicating codes that cannot be used together with it, including: mucopolysaccharidosis (E76.0-E76.3).
What SNOMED CT codes does Q77.4 map to?
Q77.4 maps to 8 SNOMED CT concepts: 402599005, 2391001, 86268005, 789777007, 205468002, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for Q77.4?
Q77.4 is linked to 2 UMLS Concept Unique Identifiers: C0001080, C0410529. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Q77.4 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like achondroplasia affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of Q77.4?
Q77.4 maps to the ICD-11 code: LD24.00 (Achondroplasia).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.