Chromosome study - Percutaneous umbilical blood-4280F

Test info

  
Chromosome study - Percutaneous umbilical blood
  
4280F
  
LAB4280F
  
Fetal blood
Prenatal /perinatal karyotype analysis
PUBS

Specimen

  
Percutaneous umbilical whole blood
  
  
2.0 mL
  
1.0 mL
  
  • If both chromosome and FISH tests are ordered, only 1 tube of blood is needed.
  • If both chromosome and microarray (CMA) tests are ordered, follow sample requirements for microarray test.
    • CMA analysis requires blood in both EDTA and a dark green sodium heparin (Na hep) tube, no gel
  • Immediately following collection, mix sample thoroughly by gently inverting 8 - 10, times to prevent clotting
  

Chromosome and/or FISH

Dk green Sodium heparin (Na hep), no gel

Chromosome and CMA

Dk green Sodium heparin (Na hep), no gel

Lavender (EDTA), 4mL

 

  

Ambient (strict)

 

  
  • Improper label (unlabeled or mislabeled)
  • Wrong container (anticoagulant or solution)
  • Improper blood/anticoagulant ratio
  • Delay in transport
  • Improper storage
  • Leaking container

Performance

  
AHL - Cytogenetics: Z
  
Daily
  
7 days
  

G-Banding

Clinical and Interpretive info

  

An interpretive report will be provided

Billing

  
88230
88262

Reflex (if appropriate):
88285 - additional cells counted
88280 - additional karyotype
88283 - additional specialized banding
  
Yes
  

Tracking

  
10/26/2012
  
05/28/2015