Test #


Test CPT Codes

88271, 88275

11q23 KMT2A (MLL)

Test Type


Test Technology


Test Specimen

Peripheral Blood:

  • Draw 5mL in a sodium heparin (green top) tube

  • EDTA (purple top) will be accepted

Bone Marrow:

  • Draw 2-5 ml in sodium heparin (green top) tube

  • EDTA (purple top) will be accepted

  • Unstained smears can also be sent


  • Specimen viability decreases during transit

  • Send to testing lab day of collection when possible

  • Specimen optimum if received within 48 hours

Test Disease

Acute lymphoblastic leukemia (ALL)

Clinical Utility

Diagnostic, Prognostic

Test Storage

  • Label specimen with patient's name and date of birth

  • Complete requisition form with necessary information

  • Local Clients call KSL Diagnostics at 1.800.960.1080 to schedule a pickup

  • Ship samples at room temperature (do not freeze or flx)

Rejection Criteria:

  • Frozen or Fixed Specimen

  • Clotted or grossly hemolyzed specimen

Turnaround Time (TAT)

2-5 days (PB, BM)

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