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Print CPT 88230; 88262
Synonyms Karyotyping; Percutaneous Umbilical Cord Sampling (PUBS);
Test Details
Turnaround Time
8 - 13 days Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Use
Rapid analysis of fetal chromosomes, used most frequently following the determination of fetal amniocyte mosaicism
Specimen Requirements
Information on collection, storage, and volume
Specimen
Percutaneous umbilical cord blood
Volume
1-2 mL
Container
Green-top (sodium heparin) tube
Causes for Rejection
Specimen frozen; clotted specimen; specimen determined to be maternal in origin
Collection
High concentrations of heparin are toxic. Do not collect small volumes in large vacutainers or add additional heparin to specimens.