C11.8
Billable codeMalignant neoplasm of overlapping sites of nasopharynx
The ICD-10 code for malignant neoplasm of overlapping sites of nasopharynx is C11.8.
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
- C11.3Malignant neoplasm of anterior wall of nasopharynx
- C11.9Malignant neoplasm of nasopharynx, unspecified
- C11.8Malignant neoplasm of overlapping sites of nasopharynx
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 1478Approximate match
Associated MS-DRGs
C11.8 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