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Test Code Billings Clinic: 4866 Athena: 243 Complete Hereditary Neuropathy with Liability to Pressure Palsies (HNPP) Evaluation, Blood

Performing Laboratory

Athena Diagnostics, Inc.

Methodology

Multiplex Ligation-Dependent Probe Amplification/Polymerase Chain Reaction (PCR)/DNA Sequencing

(PCR is utilized pursuant to a license agreement with Roche Molecular Systems, Inc.)

Specimen Requirements

Contact Billings Clinic Laboratory at 866-232-2522 prior to specimen draw for specific instructions

  • It is imperative to follow specimen requirement directions. Due to time sensitivity, specimen must be shipped the day of draw. Do not draw or transport specimen on weekends.
  • Draw blood in a lavender-top (EDTA) tube(s), and send 20 mL of EDTA whole blood.
  • Do not centrifuge.
  • Forward unprocessed whole blood promptly at ambient temperature only.

Reference Values

Reference values are included with patient’s report.

Test Classification and CPT Coding

83891 - isolation or extraction of highly purified nucleic acid

83894 - separation by gel electrophoresis

83896 x 8 - nucleic acid probe, each

83898 x 4 - amplification of patient nucleic acid, each nucleic acid sequence

83900 - amplification of patient nucleic acid, multiplex, first two nucleic acid sequences

83901 x 6 - amplification of patient nucleic acid, multiplex, each additional nucleic acid sequence

83903 - mutation scanning, by physical properties, single segment, each

83904 x 4 - mutation identification by sequencing, single segment, each segment

83909 - separation and identification by high resolution technique

83912 - interpretation and report