Chromosome Analysis, Routine; Rule Out Mosaic (Solid Tissue/POC)

Test Information

Chromosome mosaicism is defined as the presence of two or more cell lines with different chromosome constitutions in a single individual. Chromosome analysis to rule out mosaicism from solid tissue includes routine karyotyping using G-banded preparations. A minimum of 50 cells are counted and 5 cells are analyzed for chromosomal abnormalities.

Turnaround Time

6 weeks

CPT Code(s)

88233 (x number of tissue samples submitted), 88263, 88285 x5, 88291

Cost

$857 (Additional fees may apply if more than one tissue type is submitted)

Specimen Requirements

Solid Tissue (such as skin biopsy, products of conception, or fetal tissue)

Transport Instructions

Fresh tissue specimens should be kept at room temperature if it will be transported immediately. If specimen is not being immediately transported to the laboratory, it may be refrigerated; do not freeze. Specimen should be sent by courier or overnight mail to arrive at the laboratory within 24 hours. Chromosome analysis cannot be performed on FFPE samples.

Have Questions? Need Support?

Call our laboratory at 1-800-473-9411 or contact one of our Laboratory Genetic Counselors for assistance.
Robin Fletcher, MS, CGC
Falecia Thomas, MS, CGC

Meet Makayla Gunn

Makayla was diagnosed with Rett Syndrome in April of 2015 at the age of two. At about 18 months, we noticed she had started some repetitive hand motions, and her pediatrician was a little concerned that she did not have many words. She had learned some sign language, and was saying ‘mama’ and ‘dada’, but that was it. Then she suddenly stopped all of that. At her 2 year old check-up, the pediatrician referred us to BabyNet, SC’s early interve...

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