FFTEN - Clinical: Tetrahydrobiopterin and Neopterin Profile (BH4, N)

Test Catalog

Test ID: FFTEN    
Tetrahydrobiopterin and Neopterin Profile (BH4, N)

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.

Tetrahydrobiopterin/Neopterin Profile

 

Age                  BH4                  Neop

(years)              (nmol/L)            (nmol/L)

0 – 0.2              40 – 105            7– 65

0.2 – 0.5           23 – 98             7 – 65

0.5 – 2.0           18 – 58             7 – 65

2.0 – 5.0           18 – 50             7 – 65

5.0 – 10            9 – 40              7 – 40

10 – 15             9 – 32              8 – 33

Adults               10 – 30             8 – 28

 

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.

An important consideration for false positive or false negative results is the improper labeling of the patient sample.