eMedCodes logo

146.1 - Malignant Neoplasm Of Tonsillar Fossa


The ICD 9 Code for Malignant neoplasm of tonsillar fossa is listed as 146.1.
Additional information concerning this code and description can be found below including ICD 10 crosswalks / GEMS, and chapter information where available.
ICD 9 CM Field Value
Diagnosis Code: 146.1
Long Description: Malignant neoplasm of tonsillar fossa
Short Description: Mal neo tonsillar fossa
Chapter: Neoplasms
Block: Malignant Neoplasm Of Lip, Oral Cavity, And Pharynx (140-149)
ICD-10-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD-10-CM Code: C09.0 - Malignant neoplasm of tonsillar fossa
ICD-9-CM Siblings (same level / similar specificity) of 146.1:
146.0 - Malignant neoplasm of tonsil
146.2 - Malignant neoplasm of tonsillar pillars (anterior) (posterior)
146.3 - Malignant neoplasm of vallecula epiglottica
146.4 - Malignant neoplasm of anterior aspect of epiglottis
146.5 - Malignant neoplasm of junctional region of oropharynx
146.6 - Malignant neoplasm of lateral wall of oropharynx
146.7 - Malignant neoplasm of posterior wall of oropharynx
146.8 - Malignant neoplasm of other specified sites of oropharynx
146.9 - Malignant neoplasm of oropharynx, unspecified site