Ordering Recommendation

Preferred first-tier test for developmental delay, multiple anomalies, and autism spectrum disorders. Testing is performed on peripheral blood.

New York DOH Approval Status

Testing is not New York state approved. Specimens from New York clients will be sent out to a New York state-approved laboratory.

Specimen Required

Patient Preparation

Collect: Peripheral blood in green (sodium heparin) or lavender (K2EDTA), cord blood in green (sodium heparin) or lavender (K2EDTA), or PUBS in green (sodium heparin) or lavender (K2EDTA).
New York State Clients: Green (sodium heparin) AND lavender (K2EDTA).

Specimen Preparation

Whole Blood, Cord Blood, & PUBS: Transport 5 mL (Min: 1 mL).
New York State Clients: Transport 4 mL whole blood in the original green (sodium heparin) tube and 3 mL whole blood in the original lavender (K2EDTA) tube. (Min: 2 mL sodium heparin and 2 mL EDTA).

Storage/Transport Temperature

Whole Blood, Cord Blood, & PUBS: Room temperature.

Unacceptable Conditions

Clotted specimens, frozen


Whole Blood, Cord Blood, & PUBS: Ambient: 48 hours; Refrigerated: 72 hours; Frozen: Unacceptable
New York State Clients: Ambient: 1 week; Refrigerated: 1 week; Frozen: Unacceptable


Genomic Microarray (Oligo-SNP Array)




10-14 days

Reference Interval

Interpretive Data

Refer to report.

Counseling and informed consent are recommended for genetic testing. Consent forms are available online.

Compliance Category

Laboratory Developed Test (LDT)


This test must be ordered using a Cytogenetic test request form 43097 or through your ARUP interface. Please submit the Genomic Microarray Patient Clinical Information Form with the electronic packing list (https://ltd.aruplab.com/Tests/Pdf/76).

Hotline History


CPT Codes



Component Test Code* Component Chart Name LOINC
2003415 Cytogenomic SNP Microarray 62375-1
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.


  • aCGH
  • Array CGH
  • Array Comparative Genomic Hybridization
  • CGH
  • Chromosomal Microarray
  • CMA
  • Comparative Genomic Hybridization
  • Congenital Array
  • Constitutional Array
  • Genomic Microarray
  • Microarray
  • Molecular Karyotype
  • Oligo Array
  • Oligonucleotide Array
  • Single-nucleotide-polymorphism (SNP) array
  • Targeted Array
  • Whole Genome Array
Cytogenomic SNP Microarray