Laboratory Fee Schedule
Procedure #: BZZ0003A
|Synonym(s):||Phenylketonuria (PKU) Dietary Monitoring|
|Test Description||Testing of phenylketonuria (PKU) dietary monitoring specimens to detect elevated concentrations of the amino acids phenylalanine and tyrosine.|
|Supplemental Information Required||N/A|
|Performed on Specimens from (sources)||Human|
|Sample/Specimen Type for Testing||Dried whole blood on DSHS approved filter paper card.|
|Minimum Volume/Size Required||Two completely filled ½ inch dried blood spots.|
|Storage/Preservation Prior to Shipping||
|Shipping and Specimen Handling Requirements||
Ship all specimens according to Dangerous Good Regulations, IATA, and/or CFR 49.
Must include one completed G-1B form per specimen.
DRIED FILTER PAPER BLOOD SPECIMENS
|Method||Tandem Mass Spectrometry|
|Turn-around Time||Within 4 working days after receipt of specimen|
|Interferences/Limitations||Alcohol swab with a topical pain killer such as benzocaine can interfere with the testing,|
|Common Causes for Rejection||
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Phenylalanine values less than 4.0 mg/dL are normal. Tyrosine values less than 3.0 mg/dL are normal.
Additional information for specimen collection: