ICD-10 Code D69.4 – Other primary thrombocytopenia (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code D69.4 – Other primary thrombocytopenia
What it is
D69.4 identifies primary thrombocytopenia not classified elsewhere. Use it when the record describes an idiopathic or otherwise primary platelet deficiency without a more specific code.
Clinical signs
Clinical features vary; refer to documentation. Commonly recorded findings include easy bruising, petechiae, mucosal bleeding, or an otherwise unexplained low platelet count.
When to use this code
Use D69.4 when the provider documents primary thrombocytopenia and does not name a more specific subtype. It may also fit when the chart states “other primary thrombocytopenia” or similar wording. Check documentation if the cause is secondary, drug-induced, or due to another disease.
Do not use for
Do not use this code for secondary thrombocytopenia, thrombocytopenia from infection, medications, or other underlying conditions. If the documentation points to a different thrombocytopenic disorder, code that condition instead.
Coding tip
Confirm that thrombocytopenia is documented as primary before assigning D69.4; otherwise, look for a more specific diagnosis.