F5M - Clinical: 5-Methyltetrahydrofolate

Test Catalog

Test Name

Test ID: F5M    

Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.


Age           5MTHF             

(years)      (nmol/L)           


0-0.2         40-240

0.2-0.5      40-240

0.5-2.0      40-187

2.0-5.0      40-150   

5.0-10       40-128  

10-15        40-120   

Adults       40-120



Note: If test results are inconsistent with the clinical presentation, please call our laboratory to discuss the case and/or submit a second sample for confirmatory testing.


DISCLAIMER required by the FDA for high complexity clinical laboratories: HPLC testing was developed and its performance characteristics determined by Medical Neurogenetics. These HPLC tests have not been cleared or approved by the U.S. FDA.