ICD-10-CM Code for Unspecified internal derangement of knee M23.9

ICD-10 code M23.9 for Unspecified internal derangement of knee is a medical classification as listed by WHO under the range - Arthropathies .

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Unspecified internal derangement of knee

M23

Excludes1: ankylosis (M24.66)
deformity of knee (M21.-)
osteochondritis dissecans (M93.2)

Excludes2: current injury - see injury of knee and lower leg (S80-S89)
recurrent dislocation or subluxation of joints (M24.4)
recurrent dislocation or subluxation of patella (M22.0-M22.1)

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Get crucial instructions for accurate ICD-10-CM M23.9 coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code.
This section shows you chapter-specific coding guidelines to increase your understanding and correct usage of the target ICD-10-CM Volume 1 code.

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