Malignant neoplasm of cortex of left adrenal gland

This code signifies a cancerous tumor originating in the outer layer (cortex) of the left adrenal gland. This malignancy involves abnormal cell growth within the adrenal cortex, which is responsible for producing steroid hormones.

Use this code when documentation clearly indicates a primary malignant neoplasm specifically located in the cortex of the left adrenal gland. This diagnosis is typically confirmed through biopsy or imaging studies demonstrating a cancerous mass in this specific anatomical site.

• Ensure laterality (left) and specific adrenal gland region (cortex) are explicitly documented.
• Distinguish from benign adrenal neoplasms (D35.0-) and secondary malignant neoplasms (C79.7).
• Always sequence this code as the primary diagnosis when it is the reason for the encounter.