PSTF - Overview: Protein S Antigen, Plasma

Investigation of patients with a history of thrombosis

PEWE - Overview: Porphyrins Evaluation, Washed Erythrocytes

Preferred test for analysis of erythrocyte porphyrins Establishing a biochemical diagnosis of erythropoietic protoporphyria, and X-linked dominant protoporphyria

PBGDW - Overview: Porphobilinogen Deaminase, Washed Erythrocytes

Confirmation of a diagnosis of acute intermittent porphyria using washed erythrocyte specimens

PTH2 - Overview: Parathyroid Hormone, Serum

Diagnosis and differential diagnosis of hypercalcemia Diagnosis of primary, secondary, and tertiary hyperparathyroidism Diagnosis of hypoparathyroidism Monitoring kidney failure patients for possible renal osteodystrophy

POWV - Overview: Powassan Virus, IgM, Enzyme-Linked Immunosorbent Assay, Serum

Diagnosis of Powassan virus infection. This test should not be used as a screening procedure for the general population. This test should not be used as a "test of cure."

POSA - Overview: Posaconazole, Serum

Monitoring posaconazole therapy

PTNT - Overview: Prothrombin G20210A Mutation, Blood

Patients with clinically suspected thrombophilia Determination of the duration of anticoagulation therapy of venous thromboembolism patients Screening for women contemplating hormone therapy

P5NT - Overview: Pyrimidine 5' Nucleotidase, Blood

Evaluation of marked basophilic stippling Evaluation of hemolytic anemia

PUPYP - Overview: Purines and Pyrimidines Panel, Plasma

Evaluating patients with symptoms suspicious for disorders of purine and pyrimidine metabolism Monitoring patients with disorders of purine and pyrimidine metabolism Laboratory evaluation of primary and secondary hyperuricemias Assessing...

P62 - Overview: p62 Immunostain, Technical Component Only

Aids in diagnosing argyrophilic grain disease