M85.40
Solitary bone cyst unspecified site
Approximate Synonyms
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Bone cyst, solitary
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Solitary bone cyst
Clinical Information
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Benign unilocular lytic areas in the proximal end of a long bone with well defined and narrow endosteal margins. The cysts contain fluid and the cyst walls may contain some giant cells. Bone cysts usually occur in males between the ages 3-15 years.
Details
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M85.40 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
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The 2023 edition of ICD-10-CM M85.40 became effective on October 1, 2022.
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This is the American ICD-10-CM version of M85.40 – other international versions of ICD-10 M85.40 may differ.