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Huntington Disease (HTT) Genetic Testing (Repeat Expansion)
Test Code:
620016
Performing Lab: Labcorp Medical Neurogenetic LLC
CPT Code:
81271   
Specimen Container Whole blood: Lavender-top (EDTA); Oral swab: OCD-100 DNA Genotek; Extracted DNA: Contact MNG Genetic Services 844-664-8378 (844-MNGTEST)
Specimen Type Whole blood, oral swab, extracted DNA (from blood or oral swab only)
Volume Whole blood: 4 ml; Oral swab: 3 swabs; Extracted DNA: Contact MNG Genetic Services 844-664-8378 (844-MNGTEST)
Minimum Volume Whole blood: 2 ml; Oral swab: 1 swab; Extracted DNA: Contact MNG Genetic Services 844-664-8378 (844-MNGTEST)
Temperature Maintain specimen at room temperature or refrigerate at 4 degrees C. Do not freeze.
Specimen Handling Whole blood: standard phlebotomy; Oral swab: follow kit instructions; Extracted DNA: Contact MNG Genetic Services 844-664-8378 (844-MNGTEST)
Methodology Repeat-Primed PCR and fragment length analysis to identify number of nucleotide repeats.
Stability Room Temperature: Whole blood: 14 days; Swab: 60 days, Refrigerated: Whole blood: 30 days; Swab: 60 days, Frozen: Do not freeze
Unacceptable Conditions Frozen or hemolyzed specimen; quantity not sufficient for analysis; improper container
TAT From Set-Up 28 Days
Result Code Result Name LOINC
620012 HTT Genetic Test Result 53782-9