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M23.221
Derangement of posterior horn of medial meniscus due to old tear or injury, right knee
Billable
Notes
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M23.222
Derangement of posterior horn of medial meniscus due to old tear or injury, left knee
Billable
Notes
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M23.229
Derangement of posterior horn of medial meniscus due to old tear or injury, unspecified knee
Billable
Notes