2015 ICD-9-CM Diagnosis Code 164.9
Malignant neoplasm of mediastinum, part unspecified
- 2015
- Billable Thru Sept 30/2015
- Non-Billable On/After Oct 1/2015
- ICD-9-CM 164.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 164.9 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).
Convert to ICD-10-CM:
164.9 converts directly to:
- 2015/16 ICD-10-CM C38.3 Malignant neoplasm of mediastinum, part unspecified
Approximate Synonyms
- Cancer of the mediastinum
- Mediastinal cancer
- Primary malignant neoplasm of mediastinum
Clinical Information
- A primary or metastatic malignant neoplasm affecting the mediastinum. Representative examples of primary malignant mediastinal neoplasms include malignant germ cell tumors, malignant mesenchymal tumors, lymphomas, and malignant peripheral nerve sheath tumors. A representative example of metastatic malignant neoplasm to the mediastinum is the metastatic carcinoma to the mediastinum from another anatomic site
