Variant Names:
Treacher Collins-Franceschetti syndrome (TCOF), Mandibulofacial dysostosis (MFD1)
Treacher Collins syndrome (TCS) also known as mandibulofacial dysostosis or Treacher Collins-Franceschetti syndrome is a disorder of craniofacial development with an estimated incidence of 1:50,000 live births. The most common findings include downward slanting palpebral fissures and hypoplasia of the zygomatic complex and mandible.read more
Tests Available
By gene: POLR1C
Sanger Sequencing
$630
Test Code: 1359
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Deletion / Duplication
$900
Test Code: 1360
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NGS/Del Dup Comprehensive
$1,100
Test Code: 1679
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Test Details
Technical Information
Genes:
POLR1C
Disease Groups:
Craniosynostosis and Craniofacial Disorders
Hearing Disorders
MIM:
248390
Billing
CPT Codes:
81479 x 1
Ordering
SKU:
1359 Turnaround Time:
Typically 1 to 2 weeks from receipt of a sample in the laboratory. All cases involving ongoing pregnancies will be expedited.
Non-Prenatal Specimens:
- Whole blood: purple-top (EDTA) tube, minimum of 3 ml
- Genomic DNA: a minimum of 3 µg (at a concentration of at least 30 ng/µl)
- Fibroblasts: 2 confluent T-25 flasks
- Saliva: only samples collected in Oragene DNA Self-Collection Kit or Oragene Saliva Collection Kit for Young Children are accepted
Prenatal Specimens:
- Cultured cells: 2 confluent T-25 flasks derived from amnio or CVS samples
- Genomic DNA: a minimum of 3 µg (at a concentration of at least 30 ng/µl)
Shipping:
Ship all specimen types at room temperature by overnight courier. Do not freeze.