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2025 CPT code 75801

Radiological supervision and interpretation of lymphangiography of a single extremity.

Follow all CPT coding guidelines related to Radiology, specifically focusing on the interpretation component of the lymphangiography.Appropriate modifiers (e.g., 26 for professional component only) should be used if the technical component is billed separately.

Modifiers 26 (professional component), 52 (reduced services), and 76 (repeat procedure) may be applicable depending on the circumstances.

Medical necessity is established based on clinical symptoms and findings suggestive of lymphatic pathology, such as edema, lymphadenopathy, or post-surgical changes. Prior imaging studies, if available, may be referenced to demonstrate a change in patient status or inadequate visualization.

The physician is responsible for ordering, supervising, and interpreting the lymphangiogram. This includes the injection of contrast media, image acquisition, analysis of results, and generation of a diagnostic report. The physician may delegate some technical aspects to other qualified personnel, but maintains overall clinical responsibility.

IMPORTANT 75803 (bilateral lymphangiography), 38790 (injection procedure for lymphangiography)

In simple words: This code covers the doctor's work in reviewing special x-ray images (lymphangiogram) of the lymph system in one arm or leg. The doctor orders and interprets these images to diagnose lymphatic issues.

This CPT code, 75801, encompasses the radiological supervision and interpretation of a lymphangiogram performed on a single extremity (either upper or lower, left or right).The procedure involves the injection of a contrast medium into a lymphatic channel, followed by fluoroscopic imaging to visualize the lymphatic system. The physician's responsibility includes injecting the contrast medium, acquiring and reviewing the images, and generating a report.This code does not include the technical component of the procedure.

Example 1: A patient presents with unilateral lower extremity edema and suspected lymphatic obstruction.The physician orders a lymphangiogram of the affected leg (75801) to assess the extent of lymphatic blockage. The results guide treatment decisions, such as surgery or medication., A patient with a history of breast cancer and suspected lymphatic metastasis undergoes a lymphangiogram of the ipsilateral arm (75801) to evaluate lymph node involvement. The results determine the need for further oncologic treatment., A patient with chronic lymphedema in one arm following a mastectomy has a repeat lymphangiogram (75801) to assess the effectiveness of previous lymphatic surgery. Modifier 76 may be added for a repeat study performed by the same physician.

* Complete patient history including the reason for the study.* Detailed clinical indication specifying the suspected lymphatic pathology.* Radiologist’s report containing the interpretation and findings of the lymphangiogram, including images.* Documentation of contrast media used and its volume.* Verification that the study was performed on only one extremity.

** This code should only be reported when radiological supervision and interpretation are performed on a unilateral extremity.Bilateral studies are reported using code 75803.The injection procedure (38790) is reported separately.

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