C11 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Malignant neoplasm of nasopharynx.
Use additional code
Codes
C11.0
Malignant neoplasm of superior wall of nasopharynx
C11.1
Malignant neoplasm of posterior wall of nasopharynx
C11.2
Malignant neoplasm of lateral wall of nasopharynx
C11.3
Malignant neoplasm of anterior wall of nasopharynx
C11.8
Malignant neoplasm of overlapping sites of nasopharynx
C11.9
Malignant neoplasm of nasopharynx, unspecified
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
Code changed
Use additional code
code to identify:exposure to environmental tobacco smoke (Z77.22)exposure to tobacco smoke in the perinatal period (P96.81)history of tobacco use (Z87.891)occupational exposure to environmental tobacco smoke (Z57.31)tobacco dependence (F17.-)tobacco use (Z72.0)
- code to identify:
- exposure to environmental tobacco smoke (Z77.22)
- exposure to tobacco smoke in the perinatal period (P96.81)
- history of tobacco dependence (Z87.891)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
2016
New code