GNAS1

PLEASE NOTE: Informed consent from the patient is required prior to ordering a genetic test. The DNA Diagnostic Lab's consent is located on the second page of the requisition form. There is also a patient brochure, "Things Every Patient Should Know Before Consenting to a Genetic Test", available for download.

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Albright Hereditary Osteodystrophy; PHP-1A; PPHP
Gene:		GNAS1
Test:		Direct mutation analysis of the coding region and intron-exon boundaries by DNA sequencing.
CPT Codes:		83891 x 1 83898 x 14 83904 x 24 83909 x 24 83912 x 1
Sensitivity:		Approximately 80%
Cost:		$1478
Turn Around Time:		Approximately 5 weeks
Special Considerations:		This assay can also detect approximately 72% of mutations associated with Progressive Osseous Heteroplasia (POH) This assay is NOT designed to detect the somatic gain of function mutations in GNAS that are associated with McCune Albright Syndrome. Please call the laboratory to find out about prices and codes for prenatal testing and testing for a known familial mutation.