#ExistRefRangeSet>
Reference Interval:
#ExistRefRange>By report
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#ExistInterpDataSet>
| Interpretive Data: |
#ExistInterpData>Background information for Achondroplasia (FGFR3) 2 Mutations: Characteristics: Short stature with disproportionately short arms and legs, a large head, usually normal life span and intelligence; increased risk for death in infancy from compression of spinal cord and/or upper airway obstruction. Incidence: 1:25,000 Inheritance: Autosomal dominant; 80 percent arise from de novo mutations. Penetrance: 100 percent Cause: Pathogenic FGFR3 gene mutation Clinical Sensitivity: Two mutations, c.1138G>A and c.1138G>C, in the FGFR3 gene account for greater than 99 percent of cases. Methodology: PCR and fluorescent hybridization probes. Analytical Sensitivity and Specificity: Greater than 99 percent Limitations: Mutations other than c.1138G>A and c.1138G>C will not be detected.
This test is performed pursuant to an agreement with Roche Molecular Systems, Inc.
Counseling and informed consent are recommended for genetic testing. Consent forms are available online at www.aruplab.com.
Refer to Statement C under Testing Information at http://www.aruplab.com.
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#ExistCPT>
| CPT Code(s): |
83891 Isolation; 83898 Amplification; 83896 x2 Nucleic acid probes; 83912 Interpretation and report. Additional CPT code modifiers may be required for procedures performed to test for oncologic or inherited disorders.
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