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Lab Test Dictionary

Purines and Pyrimidines Panel, Plasma (PUPYP)


Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS)


Guanine; Thymidine; Uracil; Thymine; Hyoxanthine; Xanthine; Dihydroorotic Acid; Uric Acid; Deoxythymidine; Deoxyuridine; Uridine; Dexyinosine; Deoxyguanosine; Inosine; Guanosine; Dihydrouracil; Dihydrothymine; N-carbamoyl-B-alanine; N-carbamoyl-B-aminoisobutyric Acid

Specimen Type


Performing Lab

Mayo Medical Lab

Epic ID

Other Reference Test

Lab Test Days


Standard TAT

7-14 Days

Collection Information

Specimen Required

1 mL Blood

Container Type

Lavender (EDTA)

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp: Unacceptable; Refrigerated: Unacceptable; Frozen: 90 Days

Rejection Criteria

Anticoagulants other than EDTA

Test Volume Required

0.5 mL Plasma

Minimum Test Volume

0.2 mL Plasma

Included Tests

Uracil, Thymine, Hypoxanthine; Xanthine, Dihydroorotic; Uric Acid, Deoxythymidine, Deoxyuridine, Uridine, Deoxyinosine, Deoxyguanosine, Inosine, Guanosine, Dihydrouracil, Dihydrothymine, N-carbamoyl-B-alanine and N-carbamoyl-B-aminoisobutyric acid.

CPT Codes