M23.4 is the ICD-10 code for Loose body in knee. It is a four-character subcategory of M23 (Internal derangement of knee), the most specific level in the WHO edition. It belongs to the block M20–M25 (Other joint disorders) 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
M23.4 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
M23.4Fri kropp i knäled
M23.4Fritt legeme i kne
- M23.40Fritt legeme i flere lokalisasjoner
- M23.41Fritt legeme i fremre horn av medial menisk
- M23.42Fritt legeme i bakre horn av medial menisk
- M23.43Fritt legeme i uspesifisert del av medial menisk
- M23.44Fritt legeme i fremre horn av lateral menisk
- M23.45Fritt legeme i bakre horn av lateral menisk
- M23.46Fritt legeme i uspesifisert del av lateral menisk
- M23.47Fritt legeme i leddkapsel
DM234Mus i knæled
M23.4Polven nivelhiiri
M23.4Freier Gelenkkörper im Kniegelenk
M23.4Souris intraarticulaire du genou
M23.4'corpus liberum' in knie
Listed through more specific codes:
- M23.40Loose body in knee, unspecified knee
- M23.41Loose body in knee, right knee
- M23.42Loose body in knee, left knee
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.
Look up another code
Stop looking codes up by hand
Docdemic listens to the consultation, writes the note and suggests the diagnosis and procedure codes that fit it, each one checked against your country’s official code list.
Try Docdemic free