Chromosome Analysis, Bone Marrow, Newborn
Green top (sodium heparin) tube
1.0 mL (minimum 0.5 mL)
Cause for rejection:
Clotted, non-sterile, or frozen specimen
Mon-Fri (0700-1600) Sat (0900-1300)
Chromosome harvest of mitotic cells (with and without culturing) with G-banding
Rapid (24 hour) determination of chromosome copy number and category for sex chromosomes or to r/o trisomy 13, 18 or 21 can be ordered with peripheral blood sample (see Sex Chromosome Analysis by DNA FISH, Newborn Smear or Trisomy Analysis (Chromosome 13, 18, or 21) by DNA FISH, Newborn Smear). Include pertinent medical findings on the requisition with suspected diagnosis and for indication (s) for the testing.
OC Power Word:
2 hours-7 days (some ASAP results may be available within 4 hours)
Interpretation is provided with report. Follow-up studies recommended as appropriate.
88237, 88262, 88291
Karyotype; Bone Marrow Karyotype; Bone Marrow Cytogenetics