Neoplasm of uncertain behavior of left adrenal gland

This code signifies the presence of an abnormal growth within the left adrenal gland where the pathologist cannot definitively classify it as benign or malignant based on current diagnostic information. It indicates that the biological behavior of the tumor is currently indeterminate.

Apply this code when pathology reports or imaging studies identify a mass in the left adrenal gland with features that are not clearly benign or malignant, requiring further investigation or monitoring. Documentation should explicitly state "uncertain behavior," "indeterminate," or similar terminology for a left adrenal neoplasm.

• Ensure laterality is clearly documented as "left" adrenal gland; otherwise, an unspecified laterality code may be necessary.
• Do not use this code if the neoplasm is definitively diagnosed as benign (e.g., adenoma) or malignant (e.g., carcinoma).
• Review the pathology report carefully for any subsequent definitive diagnosis, as this code is typically temporary until a final classification is made.