ICD-9-CM 164.0 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 164.0 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
2015/16 ICD-10-CM C37 Malignant neoplasm of thymus
Approximate Synonyms
Cancer of the thymus
Cancer of the thymus, small cell
Cancer of the thymus, squamous cell
Cancer of the thymus, thymoma
Malignant thymoma
Primary malignant neoplasm of thymus
Primary small cell neoplasm of thymus
Primary squamous cell carcinoma of thymus
Small cell carcinoma, thymus
Squamous cell carcinoma, thymus
Thymus cancer
Clinical Information
Primary or metastatic malignant neoplasm involving the thymus. This category includes malignant thymomas, thymic lymphomas, primary thymic carcinomas, and metastatic carcinomas from other anatomic sites