Chromosome Analysis, Bone Marrow, Newborn

Cytogenetics Laboratory:Cytogenetics

Test ID/Workstation: KNBN KARYO

Specimen Type: Bone Marrow

Tube Type: Green top (sodium heparin) tube

Collection Volume: 1.0 mL (minimum 0.5 mL)

Cause for rejection: Clotted, non-sterile, or frozen specimen

Storage: Ambient

Availability: Mon-Fri (0700-1600) Sat (0900-1300)

Methodology: Chromosome harvest of mitotic cells (with and without culturing) with G-banding

Special Instructions: 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.


Lab/Phone: 330-543-8483

TAT: 2 hours-7 days (some ASAP results may be available within 4 hours)

Additional Info: Interpretation is provided with report. Follow-up studies recommended as appropriate.

CPT Code: 88237, 88262, 88291

Synonyms: Karyotype; Bone Marrow Karyotype; Bone Marrow Cytogenetics

Requisition Form
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