Test Code MTHFR Methylenetetrahydrofolate Reductase (MTHFR) Thermolabile Variant, DNA Analysis
Methodology
Polymerase chain reaction (PCR) and restriction enzyme analysis
Specimen Requirements
Whole Blood : Lavender (EDTA), Whole Blood
Volume: 3.0 mL
Minimum Volume: 1.0 mL
Maintain specimen at room temperature or refrigerate.
Reference Values
Negative: Neither of the MTHFR variants tested, c.665C>T (previously designated C677T) and c.1286A>C (previously designated A1298C), were detected. Other causes of elevated homocysteine levels were not evaluated.
Performing Laboratory
Labcorp
CPT Code
81291
Specimen Stability
-
Room temperature: 72 hours
Aliases
MTHFR Mutation: c.665C>T
MTHFR Mutation: c.1286A>C