ICD-10 diagnosis code
M91.1 Juvenile osteochondrosis of head of femur [Legg-Calvé-Perthes]
M91.1 is the ICD-10 code for Juvenile osteochondrosis of head of femur [Legg-Calvé-Perthes]. It is a four-character subcategory of M91 (Juvenile osteochondrosis of hip and pelvis), the most specific level in the WHO edition. It belongs to the block M91–M94 (Chondropathies) in Chapter XIII, Diseases of the musculoskeletal system and connective tissue.
- Code type
- Subcategory (4 characters)
- Chapter
- XIII · M00–M99
- Classification
- WHO ICD-10, 2019 version
M91.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
M91.1Juvenil osteokondrose i lårbenshode
DM911Juvenil deformerende hofteosteokondrose
M91.1Lasten reisiluun pään osteokondroosi
M91.1Juvenile Osteochondrose des Femurkopfes [Perthes-Legg-Calvé-Krankheit]
M91.1Ostéochondrite juvénile de la tête du fémur [Legg–Calvé–Perthes]
M91.1juveniele osteochondrose van femurkop [Legg-Calvé-Perthes]
Listed through more specific codes:
- M91.10Juvenile osteochondrosis of head of femur [Legg-Calve-Perthes], unspecified leg
- M91.11Juvenile osteochondrosis of head of femur [Legg-Calve-Perthes], right leg
- M91.12Juvenile osteochondrosis of head of femur [Legg-Calve-Perthes], left leg
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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