Fluorescence in situ Hybridization (FISH), Oncology

Test ID: 

706609

CPT code:

Test Not Coded

Clinical Use:

Confirmation/identification of leukemia/lymphoma-related alterations; leukemia/lymphoma monitoring of residual disease, transplants, and indolent clones (see list or call lab for probe availability).

Specimen Type:

Fixed-cell pellet from a cytogenetic analysis, slides with metaphases and/or interphase nuclei, or bone marrow touch prep slides. Blood, bone marrow, cerebrospinal fluid (CSF), FNA are also acceptable.

Requested Volume: 

Fixed-cell pellet, three slides, 10 mL blood (adult), 5 mL blood (pediatric), or 3 mL bone marrow

Minimum Volume: 

Fixed-cell pellet from a cytogenetic analysis, two slides, 5 mL blood (adult), 1 mL blood (pediatric), or 1 mL bone marrow

Container Type: 

Green-top (heparin) tube; pediatric Vacutainer® is optimal or lavender-top (EDTA) tube

Collection:

Transport to the testing lab at room temperature; use a cool pack. Do not allow the sample to freeze.

Storage Instructions:

Maintain specimen at room temperature.

Rejection Criteria

Broken or dirty slides; excessive cellular debris or stained slides; frozen specimen