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Methodology: None Provided by PeaceHealth Laboratories’ reference lab.
Edit Date: 6/11/2010
Performed: Daily, upon receipt
Released: 7 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 88237-90 x2 / 88262-90 / 88291-90
Specimen Collection Details
Collection: Bone marrow in green top tube (sodium heparin). NOTE: Do not collect in sodium lithium tube. Do not collect Friday p.m. through Sunday.
Handling: Send to lab immediately for shipment to PeaceHealth Laboratories’ reference lab. Specimen must arrive at PeaceHealth Laboratories’ reference lab within 48 hours of collection. Include diagnosis and CBC report.
Standard Volume: 3 mL bone marrow.
Minimum Volume: 2 mL bone marrow.
Transport: Ambient.
Comments: Cytogenetic studies can identify numerical and structural chromosomal abnormalities that are diagnostic and/or prognostic for certain types of leukemia and lymphoma. Chromosome analysis is also used for monitoring treatment and predicting relapse. Leukemias and lymphomas can often be characterized by specific chromosome abnormalities. Chromosome analysis helps the physician to determine the precise diagnosis, prognosis and optimal treatment method. Since bone marrow is composed of actively dividing cells, usually the source of leukemic cells, and is more often involved by lymphomas, it is most often the specimen of choice for analysis.
Rejection Criteria: Lithium heparin.
This test may require insurance company prior authorization before ordering.
Please check the prior authorization list
Failure to gain preauthorization may result in denial of coverage.

Females Males
Reference Range 46,XX Normal Female Karyotype 46,XY Normal Male Karyotype

PeaceHealth Laboratories