AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2026 Quarter 4; New/Revised ICD-10-CM Codes

Glanzmann Thrombasthenia

Code D69.1 , Qualitative platelet defects, was expanded to create code D69.11 , Glanzmann thrombasthenia (GT). GT is a rare, inherited autosomal recessive disorder that is characterized by impaired platelet aggregation due to mutations affecting the platelet surface integrin (αIIbβ3 integrin). This defect prevents normal clot formation and can result in a spectrum of bleeding manifestations, ranging from mild mucocutaneous bleeding to severe, life-threatening hemorrhage.  The prevalence of GT varies worldwide, with estimates ranging from approximately 1 in 200 ,000 to 1 in 1,000,000 individuals. Higher incidence rates are observed in regions with increased...

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