MTHFR

Test Code: TD_5362
CPT Code(s): 81291

$129

Test Details

Alternative Name(s)

Methylenetetrahydrofolate reductase
MTHF
MTHFR 677t
MTHFR mutation

Test Includes

MTHFR

Methodology

Real-time Polymerase Chain Reaction (RT-PCR) with allele-specific TaqMan probes

Rejection Criteria

Clotted samples
Heparinized samples

Reference Range(s)

Negative

Specimen Requirements

Preferred Specimen

EDTA Lavender Top Tube

Minimum Volume

5 mL whole blood

Sample Stability

7 days room temperature
1 month refrigerated
1 month frozen

Transport Temperature

Refrigerated

Collection Instructions

5 mL EDTA whole blood. Refrigerate.
Not recommended for asymptomatic patients <18 yr. Old. When multiple tests are ordered, submit separate tube for this test.

Alternative Specimen

None