Diagnosis Code

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

The code C31.3 is VALID for claim submission

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: 2018 ICD-10-CM

Synonyms

  • Malignant melanoma of accessory sinus
  • Malignant melanoma of sphenoidal sinus
  • Malignant tumor of sphenoid sinus
  • Neoplasm of sphenoidal sinus
  • Primary adenocarcinoma of accessory sinus
  • Primary adenocarcinoma of sphenoidal sinus
  • Primary carcinoma of sphenoidal sinus
  • Primary malignant neoplasm of sphenoidal sinus
  • Primary squamous cell carcinoma of accessory sinus
  • Primary squamous cell carcinoma of sphenoidal sinus

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 2018 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

ICD-10 Code ICD-10 Description
C31 Malignant neoplasm of accessory sinuses
C31.0 Malignant neoplasm of maxillary sinus
C31.1 Malignant neoplasm of ethmoidal sinus
C31.2 Malignant neoplasm of frontal sinus
C31.8 Malignant neoplasm of overlapping sites of accessory sinuses
C31.9 Malignant neoplasm of accessory sinus, unspecified

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