Chromosomal microarray analysis (CMA) - Blood-4280F

Test info

  
Chromosomal microarray analysis (CMA) - Blood
  
4280F
  
LAB4280F
  
CMA
CGH
aCGH
Array CGH
CYG
Microarray
Comparative genomic hybridization
Cytogenomic array
Congenital

Specimen

  
Sodium heparin (Na hep) whole blood and EDTA whole blood
  

Dk green Sodium heparin (Na hep), no gel

and

Lavender (EDTA), 4mL

 

Both tubes (Dk green and lavender) are required for testing

  
5.0 mL
  
2.0 mL
  

Immediately following collection, mix sample thoroughly by gently inverting 8 - 10, times to prevent clotting

  

Send whole blood specimens in original tubes. Do not aliquot.

  

Dk green Sodium heparin (Na hep), no gel

and

Lavender (EDTA), 4mL

  

Ambient (strict)

Refrigerated - NO

Frozen - NO

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

Performance

  
Mayo Clinic Laboratories (CMACB) (Technical component)
AHL - Cytogenetics: X (Interpretation)
  
Mo - Fr
  
8 - 21 days
TAT may be extended if additional confirmatory studies are needed
  

Microarray

Clinical and Interpretive info

  

An interpretive report will be provided

Billing

  
This test may require preauthorization from the insurance provider. Check the payer guidelines and, if needed, obtain the pre-authorization prior to sample collection.
  
81229 - copy number + SNP or 81228 - copy number only
88230 - culture

Confirmation/Visualization Studies:
Reflex (if appropriate):
88261 - Limited chromosome study
88271 x 2 - FISH probes
88273 - metaphase FISH analysis
88271 - interphase FISH analysis
  
Yes
  

Medical necessity

Tracking

  
07/03/2012
  
01/10/2024
  
01/10/2024