The Participation Request Form is for new participants requesting proficiency testing (PT) and quality control (QC) materials. Complete all sections to avoid delays in the process of your request.If you have any questions, please email NSQAPDMT@cdc.gov or call 770-488-4582. All enrollment applications and additional program requests are not guaranteed and will be reviewed.
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(Analytes: Arginine, Citrulline, Leucine, Methionine, Phenylalanine, Succinylacetone, Tyrosine, Valine)
(Analytes: C0(L), C2(L), C3, C3DC, C3DC+C4OH, C4, C4OH, C5, C5:1, C5DC, C5OH, C6, C8, C10, C10:1, C10:2, C14, C14:1, C16, C16OH, C18, C18:1, C18OH)
(Analytes: T4, TSH, 17OHP, TGal)
(Laboratory assessment of CAH is performed by 2nd tier MS/MS, with reporting of one or more of the following analytes: 17 α-Hydroxyprogesterone, 4-Androstenedione, Cortisol, 11-Deoxycortisol, 21-Deoxycortisol)
(Analytes: Galactocerebrosidase, Acid α-Glucosidase, α-L-Iduronidase)
(Analytes: C24:0 Lysophosphatidylcholine and C26:0 Lysophosphatidylcholine)
(Analytes: Galactocerebrosidase, Acid α-Glucosidase, α-L-Iduronidase, α-Galactosidase, β-Glucocerebrosidase, Acid Sphingomyelinase)
(Analytes: Arginine, Alanine, Citrulline, Creatine, Creatinine, Guanidinoacetic Acid, Glycine, Leucine, Methionine, Ornithine, Phenylalanine, Succinylacetone, Tyrosine, Valine, C0, C2, C3, C3DC, C3DC+C4OH, C4, C4OH, C5, C5:1, C5DC, C5OH, C6, C8, C10, C12, C14, C14:1, C16, C16OH, C18, C18OH, C20-LPC, C22-LPC, C24-LPC, C26-LPC)
(Analyte: Alloisoleucine, Isoleucine, Leucine, Phenylalanine, Tyrosine, Valine)
(Analytes: Malonic Acid, Methylmalonic Acid, Ethylmalonic Acid, 2-Methylcitric Acid, Total Homocysteine)
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*-Required Field. Form Approved OMB No. 0920-1389 Exp. Date 03/31/2026
