Chromosome Analysis — Bone Marrow (Rapid/Newborn)

CPT Code(s): 88237(x2), 88261, 88280

Service Code (IU Health): 53101259, 53100533, 53100723

Ordering Recommendation: Urgent diagnosis of genetic chromosomal anomalies associated with multiple congenital anomalies in a newborn.

Synonyms: Karyotype, G-bands

Methodology: Rapid, tissue culture, microscopic analysis of G-banded chromosomes.

Performed: Monday through Saturday

Reported: 3-4 hours (preliminary)

Collect: Non-diluted bone marrow aspirate in dark green-top sodium heparin vacutainer, heparinized syringe.

Specimen Volume: 0.5-1.0 mL

Storage/Transport: Room temperature. Do not freeze or expose to extreme temperatures.

Unacceptable Conditions: Frozen specimens. Clotted specimens.

Stability: Ambient: 48 hours; Refrigerated: 48 hours; Frozen: Unacceptable