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2025 ICD-10-CM code O87.1

Deep vein thrombosis (DVT) in the puerperium (postpartum period). This occurs when a blood clot forms in a deep vein, usually in the leg, during the first 6-8 weeks after childbirth.

Code O87.1 is used only on the maternal record, never on the newborn record. It is specific to deep vein thrombosis occurring during the puerperium.

Medical necessity for treatment of DVT in the puerperium is established by the presence of symptoms and objective evidence of thrombosis, confirmed through appropriate diagnostic testing. Treatment is necessary to prevent potentially life-threatening complications like pulmonary embolism.

Managing deep vein thrombosis in postpartum patients involves careful diagnosis, anticoagulation therapy to prevent clot growth and embolism, monitoring for complications like pulmonary embolism, and providing patient education on risk factors and preventive measures.

IMPORTANT Use additional code to identify the specific deep vein thrombosis (I82.4-, I82.5-, I82.62-, I82.72-). Use additional code, if applicable, for associated long-term (current) use of anticoagulants (Z79.01)

In simple words: This code indicates a blood clot in a deep vein, usually in the leg, that occurs after childbirth.

Deep phlebothrombosis in the puerperium is a condition characterized by the formation of a blood clot (thrombus) within a deep vein, typically in the legs or pelvis, during the postpartum period (puerperium), which encompasses the first 6 to 8 weeks following childbirth. This condition is a serious complication that can lead to pulmonary embolism if the clot dislodges and travels to the lungs.

Example 1: A woman 2 weeks postpartum presents with leg swelling, pain, and redness. Ultrasound confirms deep vein thrombosis., A patient develops shortness of breath and chest pain 3 weeks postpartum, diagnosed with pulmonary embolism secondary to DVT., A woman with a history of DVT develops a recurrence during the puerperium.

Diagnosis of deep vein thrombosis should be supported by imaging studies such as ultrasound or venography. Documentation should also include details about the location of the thrombus, signs and symptoms, and any associated complications.

** Conditions related to or aggravated by the pregnancy, childbirth, or the puerperium (maternal causes or obstetric causes) are coded using chapter 15 codes.

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