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Test Code XCHRMB Chromosome Analysis, Extended High Resolution (blood)

Clinical Information

This test evaluates chromosomes in 20 cells from peripheral blood sample. This test is used to evaluate for numerical and structural chromosomal abnormalities such as an aneuploidy, chromosome translocation, and chromosome inversion. 

Synonym

  • Karyotype
  • XCHRMB

Profile Information

Chromosome Analysis

Specimen Required

Adult: 5-8 mL whole blood collected in Sodium Heparin (plain green) tube.
Child: 3-6 mL whole blood collected in Sodium Heparin (plain green) tube.
Infant: 1-3 mL whole blood collected in Sodium Heparin (plain green) tube. 

Specimen Stability Information

Ambient: 24 hours

Rejected Due To

  • Centrifuged specimen
  • Collected in tube with gel separator
  • Wrong collection tube
  • Frozen specimen
  • Clotted specimen
  • Delayed or improper handling

Forms

Test Requistion

Reference Values

See Report

Method Description

Chromosomal analysis

Cell Culture

Performing Lab

Nationwide Children's Hospital
700 Children's Dr
Columbus, OH 43205

Day(s) Performed

Monday - Friday

Report Available

2 weeks

Reporting Name

Chromosome Analysis, Extended High Resolution (Blood)

CPT Code Information

88230
88262
88289