C31.3 MALIGNANT NEOPLASM OF SPHENOID SINUS

Code Information

Diagnosis Code: C31.3

Short Description: Malignant neoplasm of sphenoid sinus

Long Description: Malignant neoplasm of sphenoid sinus

Code Classification:

  • Neoplasms (C00–D48)
    • Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)
      • Malignant neoplasm of accessory sinuses (C31)
        • C31.3 Malignant neoplasm of sphenoid sinus

Code Version: 2017 ICD-10-CM

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
C31.3 Right Arrow 160.5 Mal neo sphenoid sinus
This ICD-10 to ICD-9 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-10 Code ICD-10 Description
1 C31 Malignant neoplasm of accessory sinuses
2 C31.0 Malignant neoplasm of maxillary sinus
3 C31.1 Malignant neoplasm of ethmoidal sinus
4 C31.2 Malignant neoplasm of frontal sinus
5 C31.8 Malignant neoplasm of overlapping sites of accessory sinuses
6 C31.9 Malignant neoplasm of accessory sinus, unspecified



This page was last updated on: 1/1/2018