288PD - Overview: Programmed Death-Ligand 1 (PD-L1) (28-8), Semi-Quantitative Immunohistochemistry, Manual

Identification of neoplasms expressing programmed cell death 1-ligand 1(clone 28-8)

HPCOV - Overview: Severe Acute Respiratory Syndrome Coronavirus 2 (SARS CoV-2), Molecular Detection, Varies

Diagnosis of COVID-19 illness due to SARS-CoV-2

SP100 - Overview: SP100 Antibody, IgG, Serum

Evaluating the risk of primary biliary cholangitis in anti-mitochondrial antibody (AMA) negative patients by identification of Sp100 antibodies Estimating risk in AMA-positive patients with incomplete feature of disease

PTP - Overview: Porphyrins, Total, Plasma

Monitoring treatment of patients with porphyria cutanea tarda

C1ES - Overview: C1 Esterase Inhibitor Antigen, Serum

Diagnosis of hereditary angioedema Monitoring levels of C1 esterase inhibitor in response to therapy

CD3I - Overview: CD3 Immunostain, Technical Component Only

Demonstrating T-cell lineage

CD4I - Overview: CD4 Immunostain, Technical Component Only

Identification of T helper cells, histiocytes, and monocytes

CD25 - Overview: CD25 Immunostain, Technical Component Only

Classification of lymphomas

CD34I - Overview: CD34 Immunostain, Technical Component Only

A marker of immaturity in the setting of acute myeloid leukemia or B-cell lymphoblastic leukemia Diagnosis of gastrointestinal stromal tumors, solitary fibrous tumors, and angiosarcomas

CMVI - Overview: Cytomegalovirus (CMV) Immunostain, Technical Component Only

Identification of cytomegalovirus infection