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Test ID P5NT Pyrimidine 5' Nucleotidase, Blood

Useful For

Workup of individuals with persistent reticulocytosis

Method Name

Kinetic Spectrophotometry (KS)

Reporting Name

Pyrimidine 5' Nucleotidase, B

Specimen Type

Whole Blood ACD-B

Container/Tube: Yellow top (ACD solution B)

Specimen Volume: 5 mL

Forms: If not ordering electronically, complete, print, and send a Benign Hematology Test Request Form (T755) with the specimen (http://www.mayomedicallaboratories.com/it-mmfiles/benign-hematology-test-request-form.pdf)

Specimen Minimum Volume

3 mL

Specimen Stability Information

Specimen Type Temperature Time
Whole Blood ACD-B Refrigerated 20 days

Clinical Information

Pyrimidine 5' nucleotidase (P5'NT) is involved in the catabolism of RNA which is a normal constituent of reticulocytes but not of mature erythrocytes. A deficiency of P5'NT is evidenced by persistent reticulocytosis.

Reference Values

Normal

Cautions

No significant cautionary statements

Day(s) Performed

Monday through Friday

Report Available

10 days

Performing Laboratory

Mayo Medical Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

83915

NY State Approved

Yes