D46.2
Refractory anemia with excess of blasts [RAEB]
Clinical Classification Guidelines
Medical Intelligence & Overview
Refractory anemia with excess blasts (RAEB) is a type of blood disorder classified under the ICD-10 code D46.2. It is part of a group called myelodysplastic syndromes (MDS), which are conditions caused by abnormal formation of blood cells within the bone marrow. In RAEB, there is a reduced number of healthy red blood cells, white blood cells, and platelets, along with an increased number of immature cells called blasts in the bone marrow and blood. This condition requires careful medical attention and management due to its potential progression to more serious blood cancers like acute myeloid leukemia (AML).
Causes & Symptoms
Clinical Causes: Genetic mutations or chromosomal abnormalities Previous exposure to radiation or chemotherapy Certain environmental toxins and chemicals Underlying genetic syndromes Age-related changes, as it commonly affects older adults
Key Symptoms: Fatigue and weakness due to anemia Increased susceptibility to infections Easy bruising or bleeding Shortness of breath Unusual paleness of skin Frequent or unexplained fevers Signs of bleeding such as nosebleeds or gum bleeding
Diagnostic & Treatment
Diagnosis Path: Diagnosis typically involves a combination of blood tests and bone marrow examination. Blood tests may show anemia, low counts of white blood cells and platelets, and presence of immature cells called blasts. A bone marrow biopsy helps determine the percentage of blasts and assess the degree of dysplasia in blood cell precursors. Additional tests like cytogenetic analysis can identify chromosomal abnormalities which aid in confirming the diagnosis and guiding treatment planning.
Treatment Protocols: Management of RAEB may include supportive care measures such as blood transfusions and antibiotics to prevent or treat infections. Disease-modifying treatments include the use of hypomethylating agents like azacitidine or decitabine, which can help control disease progression. In some cases, patients may be considered for chemotherapy or hematopoietic stem cell transplantation, especially if they are suitable candidates. Ongoing monitoring is essential to assess treatment response and adjust therapies accordingly.
Clinical Advice & FAQs
Billing Guidance
Is D46.2 a billable ICD-10 code?
Yes, D46.2 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report D46.2?
Clinical documentation must specify the nature of Refractory anemia with excess of blasts [RAEB] and any associated comorbidities for accurate reporting.
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