C11.3
Billable codeMalignant neoplasm of anterior wall of nasopharynx
The ICD-10 code for malignant neoplasm of anterior wall of nasopharynx is C11.3.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Malignant neoplasm of floor of nasopharynx
- Malignant neoplasm of nasopharyngeal (anterior) (posterior) surface of soft palate
- Malignant neoplasm of posterior margin of nasal choana
- Malignant neoplasm of posterior margin of nasal septum
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- C11.0Malignant neoplasm of superior wall of nasopharynx
- C11.1Malignant neoplasm of posterior wall of nasopharynx
- C11.2Malignant neoplasm of lateral wall of nasopharynx
- C11.8Malignant neoplasm of overlapping sites of nasopharynx
- C11.9Malignant neoplasm of nasopharynx, unspecified
- C11.3Malignant neoplasm of anterior wall of nasopharynx
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 1473
Associated MS-DRGs
C11.3 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 011Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC
- DRG 012Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CC
- DRG 013Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCC
- DRG 146Ear, Nose, Mouth and Throat Malignancy with MCC
- DRG 147Ear, Nose, Mouth and Throat Malignancy with CC
- DRG 148Ear, Nose, Mouth and Throat Malignancy without CC/MCC