ICD-10 Code D67 – Hereditary factor IX deficiency (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code D67 – Hereditary factor IX deficiency
What it is
D67 identifies hereditary factor IX deficiency, also called hemophilia B. It is an inherited bleeding disorder caused by reduced or absent factor IX activity in the clotting cascade.
Clinical signs
Clinical features vary; refer to documentation. Common findings include easy bruising, prolonged bleeding after injury or procedures, and spontaneous bleeding into joints or muscles.
When to use this code
Use D67 when the provider documents hereditary factor IX deficiency, hemophilia B, or congenital factor IX deficiency. Apply it for confirmed inherited cases, including encounters for evaluation, monitoring, or bleeding related to this disorder.
Do not use for
Do not use D67 for acquired factor IX deficiency or other clotting disorders. If the record does not clearly state hereditary factor IX deficiency, check documentation.
Coding tip
Code D67 only when the hereditary nature is documented; otherwise, verify whether the deficiency is congenital or acquired.