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Antibodies to myoglobin can be employed to identify myoglobin-containing casts within renal tubules, which can be seen following rhabdomyolysis and in cases of myoglobin cast nephropathy. Myoglobin is NOT recommended as a marker of rhabdomyosarcoma, as much more sensitive markers such as myogenin, myoD1, and desmin are best employed in this setting. Clinical Indication(s): This anti-myoglobin antibody will be used to identify the presence of myoglobin-containing tubular casts in the lumina of renal tubules. Subcellular Localization: Cytoplasmic
Disease State: Renal disease
CPT Code(s): 88342 or 88341. The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
Turnaround Time: Within 1-2 business days of receipt
Schedule: Monday - Friday
• Formalin-fixed, paraffin-embedded (FFPE) tissue block or cell block - OR - • 1 unstained slide for each test requested plus 3-4 additional unstained slides cut at 4µm