Athena Diagnostics - Testing that Makes a Difference
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FIG4 DNA Sequencing Test #225
Type of Disorder: Peripheral Neuropathy
Typical Presentation: Early onset, coordination disorder, severe disability. MNCV 2?7 m/s, CMAPs reduced.
Disease(s) tested for: Charcot-Marie-Tooth Disease Type 4J
Test Details
Test Code: 225
Profiles that contain this test: Complete ALS Evaluation, Complete CMT Evaluation, Partial CMT Evaluation - Recessive Only
Informed Consent Required: Yes
Medicare ABN Required: No
Technical Information
Utility: Detects mutations in the FIG4 gene
Methodology: DNA Sequencing, Polymerase Chain Reaction (PCR)
Reference Value: No sequence variation detected
CPT Coding
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.
Stacked CPT Code(s): 83891(1), 83898(23), 83904(23), 83909(23), 83912(1)
Shipping Considerations
Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.
Preferred Specimen Requirements
Type: Whole blood
Minimum Volume: 20 mL
Collection Tube: Lavender top (EDTA)
Storage Conditions: Refrigerate
Shipping Conditions: Ship same day. Must arrive at Athena on a weekday.
Test Turnaround: 2-3 weeks
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