Q77.4 is the ICD-10 code for Achondroplasia. It is a four-character subcategory of Q77 (Osteochondrodysplasia with defects of growth of tubular bones and spine), the most specific level in the WHO edition. It belongs to the block Q65–Q79 (Congenital malformations and deformations of the musculoskeletal system) in Chapter XVII, Congenital malformations, deformations and chromosomal abnormalities.
- Code type
- Subcategory (4 characters)
- Chapter
- XVII · Q00–Q99
- Classification
- WHO ICD-10, 2019 version
What Q77.4 includes
Conditions and terms that are coded here.
- Hypochondroplasia
- Osteosclerosis congenita
Q77.4 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Q77.4Akondroplasi
Q77.4Akondroplasi
DQ774Akondroplasi
- DQ774AHypokondroplasi
- DQ774BMedfødt osteosclerose
Q77.4Akondroplasia
Q77.4Achondroplasie
Q77.4Achondroplasie
Q77.4achondroplasie
Q77.4Achondroplasia
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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