C11.1 - Malignant neoplasm of posterior wall of nasopharynx
- Applicable to Malignant neoplasm of posterior wall of nasopharynx
- The 2025 edition of ICD10-CM C11.1 became effective on October 1, 2024.
- This is the American ICD10-CM version of C11.1 - other international versions of ICD10 C11.1 may differ.
- C11.1 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Inclusion terms help to clarify and specify the conditions or diseases covered by a particular ICD-10-CM code.
Inclusion Term:
- Malignant neoplasm of adenoid
- Malignant neoplasm of pharyngeal tonsil
Billable/Specific Code
The following codes above C11.1 contain annotation back-references that may be applicable to C11.1:
- Chapter: C00-D49 - Neoplasms
- Section: C00-C14 - Malignant neoplasms of lip, oral cavity and pharynx
- Category: C11 - Malignant neoplasm of nasopharynx
Browse other similar CM codes:
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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