91405      MTHFR Mutation
Specimen:
  Collect: One 4 mL Lavender (EDTA)

Also Acceptable
One 4 mL Green Top (Li Heparin)
One 4 mL Green Top (Na Heparin) 
  Submit: 4 mL (Min:3 mL) Whole blood. Submit Refrigerated.  
  Rejection Criteria: Clotted Specimen
Grossly Hemolyzed Samples 
  Stability: Ambient: 3 Day(s); Refrigerated: 1 Week(s); Frozen: Unacceptable; Incubated: Unacceptable 
Performed: Varies 
Reported: 3-8 Day(s) 
CPT Codes:
83890 - Nuclear Molecular Diagnostics 83896 X4 - Nucleic Acid Probe
83900 - Molecular Diagnostic; First Two Nucleic Acid 83912 - Molec Diag, Interp & Report
Interpretive Data: Please see report for interpretive data.
Components:
91406 - C677T91407 - A1298C
91408 - MTHFR INTERP