• Methodology: Cytogenetics/karyotype (G-banding)
  • Test Description:

    Routine cytogenetics (karyotype) is used to identify structural and numerical chromosomal abnormalities, providing valuable diagnostic and prognostic information in a variety of tumor types.

  • Specimen Requirements:

    Bone marrow aspirate:  Minimum 2 ml in green top (sodium heparin) tube
    Peripheral blood:  Minimum 5 ml in green top (sodium heparin) tube
    Fresh tissue:  1 cm3 tissue completely immersed in RPMI.

  • Storage & Transportation:

    Bone marrow aspirate/peripheral blood: Store and transport at room temperature.
    Fresh tissue:  Store refrigerated but not frozen. Use a cold pack for transport, making sure the cold pack is not in direct contact with the specimen.

  • CPT Code(s)***: 88237, 88264, 88280
  • Level of Service: Global
  • Turnaround Time: 5-7 days
  • ***: The CPT codes provided with our test descriptions are based on AMA guidelines and are for informational purposes only. Correct CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.