M40 is the ICD-10 code for Kyphosis and lordosis. It is a three-character category divided into 6 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block M40–M43 (Deforming dorsopathies) in Chapter XIII, Diseases of the musculoskeletal system and connective tissue.
- Code type
- Category (3 characters)
- Chapter
- XIII · M00–M99
- Classification
- WHO ICD-10, 2019 version
What M40 excludes
Conditions that look similar but belong under another code.
Subcodes of M40
M40 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DM40Kyfose og lordose
M40Kyfoosi (kumaraselkäisyys) ja lordoosi (notkoselkäisyys)
M40Kyphose und Lordose
M40Cyphose et lordose
M40kyfose en lordose
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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