C09.1 MALIG NEOPLASM OF TONSILLAR PILLAR (ANTERIOR) (POSTERIOR)

Code Information

  • Diagnosis Code: C09.1
  • Short Description: Malig neoplasm of tonsillar pillar (anterior) (posterior)
  • Long Description: Malignant neoplasm of tonsillar pillar (anterior) (posterior)
  • Code Version: 2025 ICD-10-CM

The code C09.1 is VALID for claim submission

Code Classification

Synonyms

  • Malignant melanoma of oral cavity
  • Malignant melanoma of palatine arch
  • Malignant tumor of anterior pillar of fauces
  • Malignant tumor of tonsillar pillar
  • Primary malignant neoplasm of tonsillar pillar
  • Primary squamous cell carcinoma of tonsillar pillar
  • Tumor of anterior pillar of fauces

Diagnostic Related Group(s)

The code C09.1 is grouped in the following Diagnostic Related Group(s) MS-DRG V42.0

  1. Ear, Nose, Mouth And Throat Malignancy With Mcc (146)
  2. Ear, Nose, Mouth And Throat Malignancy With Cc (147)
  3. Ear, Nose, Mouth And Throat Malignancy Without Cc/mcc (148)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
C09.1 Right Arrow 146.2 Mal neo tonsil pillars
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
C09 Malignant neoplasm of tonsil
C09.0 Malignant neoplasm of tonsillar fossa
C09.8 Malignant neoplasm of overlapping sites of tonsil
C09.9 Malignant neoplasm of tonsil, unspecified
This page was last updated on: 10/1/2024
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