C31.1
Malignant neoplasm of ethmoidal sinus
Approximate Synonyms
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Cancer of the sinus, ethmoidal
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Primary malignant neoplasm of ethmoidal sinus
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Primary squamous cell carcinoma of ethmoidal sinus
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Squamous cell carcinoma, ethmoid sinus
Clinical Information
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A primary or metastatic malignant neoplasm involving the ethmoid sinuses.
Details
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C31.1 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 C31.1 became effective on October 1, 2022.
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This is the American ICD-10-CM version of C31.1 – other international versions of ICD-10 C31.1 may differ.