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2025 ICD-10-CM code I82.4Y2

Acute embolism and thrombosis of unspecified deep veins of the left proximal lower extremity.

Refer to ICD-10-CM coding guidelines for proper code assignment.

Medical necessity for this diagnosis is established by the presence of signs and symptoms of acute deep vein thrombosis in the left proximal lower extremity, confirmed by diagnostic testing such as ultrasound.

In simple words: This code represents a blockage due to a blood clot in the deep veins of the upper part of your left leg.

Acute embolism and thrombosis of unspecified deep veins of the left proximal lower extremity.

Example 1: A patient presents with pain and swelling in their left thigh. An ultrasound confirms the presence of a deep vein thrombosis (DVT) in the proximal veins of the left lower extremity. The physician documents acute DVT of the left proximal lower extremity. This scenario is coded as I82.4Y2., A patient is admitted to the hospital for shortness of breath and chest pain. Imaging reveals a pulmonary embolism (PE). Further investigation identifies a DVT in the proximal veins of the left lower extremity as the source of the PE. The physician documents acute DVT of the left proximal lower extremity. This scenario is coded as I82.4Y2, along with the appropriate code for the pulmonary embolism., A patient with a history of DVT in the right lower extremity now experiences pain and swelling in their left thigh. Doppler ultrasound confirms the presence of a new DVT in the left proximal lower extremity. The physician documents acute DVT of the left proximal lower extremity. This scenario is coded as I82.4Y2.

Documentation should include the affected vessel (unspecified deep veins of the left proximal lower extremity), laterality (left), and the acute nature of the condition. Any associated symptoms, diagnostic test results (e.g., ultrasound findings), and treatment plan should also be documented.

** Excludes2: venous embolism and thrombosis (of): cerebral (I63.6, I67.6) coronary (I21-I25) intracranial and intraspinal, septic or NOS (G08) intracranial, nonpyogenic (I67.6) intraspinal, nonpyogenic (G95.1) mesenteric (K55.0-) portal (I81) pulmonary (I26.-). Code first venous embolism and thrombosis complicating: abortion, ectopic or molar pregnancy (O00-O07, O08.7) pregnancy, childbirth and the puerperium (O22.-, O87.-)

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