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Test Catalog
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44K WholeGenome Chromosomal Microarray Analysis |
#702 |
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| Type of Disorder: |
Intellectual disability |
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| Typical Presentation: |
developmental delay, dysmorphic features, Mental Retardation, patients with unknown symptomology |
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| Disease(s) tested for: |
Intellectual disability, Developmental delay |
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| Test Details |
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| Test Code: |
702 |
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| Informed Consent Required: |
Yes |
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| Medicare ABN Required: |
Yes |
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| Special Notes: |
The 44K Chromosomal Microarray Analysis has been upgraded to the new 60K Chromosomal Microarray Analysis. The 44K array will be discontinued effective July 31, 2010. All orders received after this date will be automatically upgraded to the new test with no change in price. |
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| Technical Information |
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| Utility: |
Detects microduplications and microdeletions on chromosomal DNA including the telomeric and subtelomeric regions |
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| Methodology: |
Microarray with FISH confirmation |
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| Reference Value: |
No duplications or deletions detected |
| CPT Coding |
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The CPT codes provided are based on AMA guidelines
and are for informational purposes only. CPT coding
is the sole responsibility of the billing party.
Please direct any questions regarding coding to
the payer being billed.
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| Stacked CPT Code(s): |
83891(1), 83892(1), 83898(1), 88386(1)
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| Tiered CPT Code(s): |
81229 |
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| Shipping Considerations |
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| Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form. |
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| Preferred Specimen Requirements |
| Type: |
Whole blood |
| Minimum Volume: |
Adult: 20 mL, Pediatric: 8 mL, Newborn and small infant: 4 mL |
| Collection Tube: |
10 mL in Lavender (EDTA), 10 mL in Green (Sodium Heparin). Pediatric minimum is 4 mL in each tube. Newborn and small infant minimum is 2 mL in each tube |
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| Storage Conditions: |
For short periods (until shipped) at 4?C |
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| Shipping Conditions: |
Overnight at room temperature. Hemolysis may compromise DNA recovery and integrity after 24 hours; therefore, specimen arrival must be less than 24 hours after collection. |
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| Test Turnaround: |
7 - 14 days |
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