M99 is the ICD-10 code for Biomechanical lesions, not elsewhere classified. It is a three-character category divided into 10 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block M95–M99 (Other disorders of the musculoskeletal system and connective tissue) 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
Coding notes
- This category should not be used if the condition can be classified elsewhere.
Subcodes of M99
- M99.0Segmental and somatic dysfunction
- M99.1Subluxation complex (vertebral)
- M99.2Subluxation stenosis of neural canal
- M99.3Osseous stenosis of neural canal
- M99.4Connective tissue stenosis of neural canal
- M99.5Intervertebral disc stenosis of neural canal
- M99.6Osseous and subluxation stenosis of intervertebral foramina
- M99.7Connective tissue and disc stenosis of intervertebral foramina
- M99.8Other biomechanical lesions
- M99.9Biomechanical lesion, unspecified
M99 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
M99Biomekanisk dysfunktion som ej klassificeras på annan plats
DM99Biomekaniske dysfunktioner IKA
M99Muualla luokittamaton biomekaaninen vaurio
M99Biomechanische Funktionsstörungen, anderenorts nicht klassifiziert
M99Lésions biomécaniques, non classées ailleurs
M99biomechanische laesies, niet elders geclassificeerd
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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