Chromosomal Microarray Analysis (CMA) - Products of Conception

Alphabetical Test listing

Chromosomal Microarray Analysis (CMA) - Products of Conception-4280C

  
Chromosomal Microarray Analysis (CMA) - Products of Conception
  
4280C
  
LAB4280C
  
CMA
CGH
aCGH
array CGH
Microarray
Comparative genomic hybridization
Cytogenomic array
  
Placental tissue: Chorionic villi (preferred) or placenta (acceptable)
  

Sterile culture medium, sterile Hanks Balance Salt Solution (HBSS) or sterile saline

  
Chorionic villi: 30mg
Placenta: 50 mg
  
  • Place specimen in sterile culture media, sterile Hanks Balanced Salt Solution (HBSS) or sterile saline
  • Do not send the entire placenta
  

Sterile culture medium, sterile Hanks Balance Salt Solution (HBSS) or sterile saline

  
Fetal tissue (secondary tissue)
  
  • Collect a 1 cm3 internal tissue or 3 mm3 skin biopsy from a central location such as buttock or upper thigh
  • Do not submit the entire fetus 
  

Ambient - 48 hours

Refrigerate if not transporting the same day

Frozen - NO

 

 

  
  • Specimens submitted in formalin
  • Improper label (unlabeled or mislabeled)
  • Wrong container (solution)
  • Improper blood/anticoagulant ratio
  • Delay in transport
  • Improper storage
  • Leaking container
  
Mayo Clinic Laboratories (Technical only)
AHL - Cytogenetics: Z (Interpretation)
  
Mo - Fr
  
21 - 30 days
TAT may be extended if additional confirmation studies are needed or if cultured cells are needed for CMA.
  

Microarray

  

Interpretive report

  
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)
88233 (culture)
  
Yes
  
  
05/26/2015
  
11/14/2018