CHROMOSOME ANALYSIS, LEUKEMIA, BLOOD

Standard Cytogenetics

 

Test Performed At:

 

 

Cytogenetic Lab at Washington University Pathology

 

Specimen Required:

 

 

Draw blood in a green-top (sodium heparin) tube(s), and send 5.0 mL of sodium heparin whole blood. Invert several times to mix blood. (CLOTTED BLOOD IS NOT ACCEPTABLE.) Other anticoagulants may be harmful to the viability of the cells. Forward promptly at ambient temperature only.

 

 

NOTE:

1.

This test requires that about 5% of cells in peripheral circulation are blasts or immature cells.

 

 

 

2.

Please complete a “Cytogenetics Requisition Form" and forward it with the specimen. This form is supplied by St. Louis Children’s Hospital.

 

Laboratory Notes:

 

 

DO NOT PROCESS

 

 

NOTE:

Include a completed “Cytogenetics Requisition Form" and forward it with the specimen.

 

Reference Values:

 

 

An interpretive report will be provided.

 

Day(s) Test Set Up:

 

 

Monday – Saturday

 

Cut-Off Time:

 

 

 

 

Turn Around Time:

 

 

7-10 days; often available 5-7 days

 

CPT Code:

 

 

88264 -

chromosome analysis, count 20-25 cells, 2 karyotypes, with banding

 

 

88280 -

Additional karyotype, each study

 

 

88237 -

chromosome analysis, blood

 

 

88291 -

cytogenetics & molecular cytogenetics interpretation & report

 

Care Manager Order Name:

 

 

Cytogen Tracking

 

Cerner Order Name:

 

 

Cytogen Tracking

 

Last Updated 04/08