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Test ID: FFTEN    
Tetrahydrobiopterin & 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.

 

Test Performed by:       Medical Neurogenetics Lab

                                    5424 Glenridge Drive NE

                                    Atlanta, GA 30342