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Chromosome Analysis, leukemic blood

Collection Restrictions

Must have at least 5% immature cells or blasts

Requires a WBC count and differential results

Collection Requirements

Source: blood
Container: Sodium heparin green
Volume: 5-10 mL in vacutainer

Special Instructions

  • Transport at room temperature; avoid fluctuating temperatures (hot or cold)
  • Send immediately; delays impact specimen integrity
  • Use the Oncology Cytogenetics Requisition Neoplastic

Turn Around Time

12 days

Availability

Routine

Lab Processing Instructions

Specimen: whole blood
Room temperature

Performing Laboratory

Genetics

Adele Hall Lab Section

Cytogenetics

Instrumentation/Methodology

Culture and processing depend upon RFR and cell count. The cells are processed by exposure to colcemid and hypotonic solution, then fixed. Slides are prepared and GTG banded. Chromosomes analysis and image captured are performed on a computerized imaging system. Cells may be used for FISH analysis.

Additional Information

Detects diagnostic and prognostic aberrations of interest. Monitors response to therapy.

Reference Ranges

See interpretive report

CPT

88264, 88280, 88237