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ICD-10-CM Code C11.1
Malignant neoplasm of posterior wall of nasopharynx

BILLABLE
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

C11.1 is a billable ICD code used to specify a diagnosis of malignant neoplasm of posterior wall of nasopharynx. A 'billable code' is detailed enough to be used to specify a medical diagnosis.


The ICD code C11 is used to code Head and neck cancer

Head and neck cancer is cancer that starts in the lip, oral cavity (mouth), nasal cavity (inside the nose), paranasal sinuses, pharynx, larynx or parotid glands.

Specialty: Oncology
MeSH Codes: D006258, D006258, D006258, D006258, D006258, D006258, D006258, D006258, D006258, D006258
ICD 9 Codes: 140, 141, 142, 143, 144, 145, 146, 147, 148, 149
Source: Wikipedia

Coding Notes for C11.1 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Malignant neoplasm of adenoid
Malignant neoplasm of pharyngeal tonsil

MS-DRG Mapping

  • DRG Group #011-013 - Tracheostomy for face, mouth and neck diagnoses with MCC.
  • DRG Group #011-013 - Tracheostomy for face, mouth and neck diagnoses with CC.
  • DRG Group #011-013 - Tracheostomy for face, mouth and neck diagnoses without CC or MCC.
  • DRG Group #146-148 - Ear, nose, mouth and throat malignancy with MCC.
  • DRG Group #146-148 - Ear, nose, mouth and throat malignancy with CC.
  • DRG Group #146-148 - Ear, nose, mouth and throat malignancy without CC or MCC.

Related Concepts SNOMET-CT

  • Primary malignant neoplasm of adenoid (disorder)

Coding Advice SNOMET-CT

  • Possible requirement for morphology code
  • Consider additional code to identify specific condition or disease

ICD-10-CM Neoplasms Index References for 'C11.1 - Malignant neoplasm of posterior wall of nasopharynx'

The ICD-10-CM Neoplasms Index links the below-listed medical terms to the ICD code C11.1. Click on any term below to browse the neoplasms index.

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

Malignant neoplasm of posterior wall of nasopharynx (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 147.1 was previously used, C11.1 is the appropriate modern ICD10 code.


Parent Code: C11 - Malignant neoplasm of nasopharynx

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/C111