Patient presents with thrombocytopenia, evidenced by a low platelet count (platelet level below normal range).  Symptoms, if present, may include easy bruising, petechiae, purpura, prolonged bleeding from minor cuts, epistaxis, or gingival bleeding.  The patient's current platelet count is [insert value] x 10^9L.  The onset of these symptoms was [insert timeframe].  Relevant medical history includes [list relevant medical conditions, e.g., recent infections, autoimmune disorders, medications, family history of bleeding disorders].  Physical examination reveals [describe relevant findings, e.g., presence of petechiae, purpura, splenomegaly]. Differential diagnosis includes immune thrombocytopenic purpura (ITP), drug-induced thrombocytopenia, thrombotic thrombocytopenic purpura (TTP), disseminated intravascular coagulation (DIC), and bone marrow disorders.  Diagnostic workup may include a complete blood count (CBC) with peripheral smear, coagulation studies (PT, PTT, INR), and potentially bone marrow biopsy if clinically indicated.  Initial management includes patient education regarding bleeding precautions and avoidance of medications that can exacerbate thrombocytopenia, such as nonsteroidal anti-inflammatory drugs (NSAIDs).  Further management will be determined based on the underlying cause of the low platelet count and may include medications such as corticosteroids, intravenous immunoglobulin (IVIG), or platelet transfusions if clinically warranted.  Follow-up appointments are scheduled to monitor platelet levels and assess treatment response.  ICD-10 code R79.0 for thrombocytopenia unspecified is documented.  This documentation supports medical necessity for further evaluation and treatment of the patient's low platelet count.