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2025 ICD-10-CM code C7A.093

Malignant carcinoid tumor of the kidney. This is a type of neuroendocrine tumor (NET) characterized by the abnormal growth of neuroendocrine cells in the kidney.

When coding C7A.093, it is important to also code any associated multiple endocrine neoplasia (MEN) syndromes (E31.2-) and endocrine syndromes such as carcinoid syndrome (E34.0).If the tumor overlaps contiguous sites, code .8 should be used, unless a specific combination code exists.Malignant neoplasms of ectopic tissue should be coded to the site mentioned (e.g., C25.9 for ectopic pancreatic malignant neoplasms).

Medical necessity for services related to C7A.093 is established by the presence of signs, symptoms, or imaging findings suggestive of a renal tumor.Confirmation of the diagnosis through biopsy is essential.Treatment is medically necessary to address the malignant tumor and manage any hormone-related symptoms.

Clinicians diagnosing and managing malignant carcinoid tumors of the kidney typically rely on a combination of patient history, physical examination, laboratory tests (urinalysis, complete blood count (CBC), biopsy), and imaging studies (abdominal X-rays, CT scans, MRI, intravenous pyelogram, PET scans). Treatment options may include chemotherapy, radiation therapy, hormone therapy, and surgical interventions such as embolization or nephrectomy.

In simple words: A malignant carcinoid tumor of the kidney is a rare cancerous tumor that develops from hormone-producing cells in the kidney. It's a type of tumor that starts in the neuroendocrine system, which is responsible for regulating body functions.

Malignant carcinoid tumor of the kidney is a rare type of neuroendocrine tumor (NET) that originates from the neuroendocrine cells within the kidney.These tumors can be functionally active, meaning they produce hormones that can cause various symptoms.

Example 1: A 60-year-old patient presents with persistent flank pain, blood in their urine, and unexplained weight loss. After a thorough evaluation including imaging and biopsy, a diagnosis of malignant carcinoid tumor of the kidney is confirmed., A 45-year-old patient with a family history of neuroendocrine tumors undergoes routine screening and is found to have a small malignant carcinoid tumor of the kidney. Due to the early stage of the tumor, surgical removal is recommended., A 70-year-old patient experiences symptoms of carcinoid syndrome, including flushing, wheezing, and rapid heartbeat.Further investigation reveals a malignant carcinoid tumor of the kidney as the underlying cause.Treatment is initiated to manage the hormone production and tumor growth.

Documentation for C7A.093 should include details of the diagnostic workup, including imaging results, biopsy findings confirming the diagnosis, and any evidence of functional activity (hormone production).Treatment plans, including surgical procedures, chemotherapy regimens, or other therapies should also be documented.

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