What ICD-10 Codes are Used for Lung Mass?
The ICD-10 coding system is globally recognized for classifying and recording all diagnoses, symptoms, and procedures associated with hospital care. Below are commonly used ICD codes for a Lung Mass:
- R91.8 - Other nonspecific abnormal findings of the lung field
- D14.30 - Benign neoplasm of unspecified bronchus and lung
- D38.1 - Neoplasm of uncertain behavior of trachea, bronchus, and lung
- C34.90 - Malignant neoplasm of unspecified part of unspecified bronchus or lung
- J98.4 - Other disorders of the lung
Clinical descriptions for each code:
- R91.8: This code is used when there's a nonspecific abnormal finding in the lung, such as an unidentified mass.
- D14.30: This code is for a benign neoplasm or unspecified bronchus and lung growth.
- D38.1: This code is used when there's a neoplasm of uncertain behavior in the trachea, bronchus, or lung.
- C34.90: This is used for malignant neoplasms in unspecified parts of the bronchus or lung.
- J98.4: This code covers other disorders of the lung, which can include a lung mass.
For an in-depth understanding of these codes, check out our explainer video.

