164.9 MAL NEO MEDIASTINUM NOS

Code Information

Diagnosis Code: 164.9

Short Description: Mal neo mediastinum NOS

Long Description: Malignant neoplasm of mediastinum, part unspecified

Code Classification:

  • Neoplasms (140–239)
    • Malignant neoplasm of respiratory and intrathoracic organs (160-165)
      • 164 Malignant neoplasm of thymus, heart, and mediastinum
        • 164.9 Mal neo mediastinum NOS

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 164.9 has the following ICD-9-CM references to the Index of Diseases and Injuries
  •  
    • mediastinum, mediastinal�������������������� 164.9��� 197.1����� -������������ 212.5����� 235.8����� 239.89
      • anterior����������������������������������������� 164.2��� 197.1����� -������������ 212.5����� 235.8����� 239.89
      • contiguous sites with heart and thymus����������������������������� 164.8��� -������������ -������������ -������������ -������������ -
      • posterior�������������������������������������� 164.3��� 197.1����� -������������ 212.5����� 235.8����� 239.89

Crosswalk Information

The code 164.9 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
164.9 Right Arrow C38.3 Malignant neoplasm of mediastinum, part unspecified
This ICD-9 to ICD-10 data is based on the 2015 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

No. ICD-9 Code ICD-9 Description
1 164.0 Malignant neoplasm of thymus
2 164.1 Malignant neoplasm of heart
3 164.2 Malignant neoplasm of anterior mediastinum
4 164.3 Malignant neoplasm of posterior mediastinum
5 164.8 Malignant neoplasm of other parts of mediastinum

This page was last updated on: 10/1/2014