MLHPB - Overview: MLH1 Hypermethylation Analysis, Blood

As an adjunct to positive hypermethylation in tumor to distinguish between somatic and germline hypermethylation As an adjunct to negative MLH1 germline testing in cases where colon or endometrial tumor demonstrates microsatellite...

LKM - Overview: Liver/Kidney Microsome Type 1 Antibodies, Serum

Evaluation of patients with liver disease of unknown etiology Evaluation of patients with suspected autoimmune hepatitis

PLPMA - Overview: Prolactin, Pituitary Macroadenoma, Serum

Quantifying prolactin in serum specimens where the high-dose hook effect is suspected (eg, presence of pituitary tumor with symptoms of prolactinoma, and lower than expected serum prolactin concentration)

PMLR - Overview: PML::RARA Quantitative, PCR, Varies

Diagnosis of acute promyelocytic leukemia (APL) Detection of residual or recurrent APL Monitoring the level of PML::RARA (promyelocytic leukemia/retinoic acid receptor alpha) in APL patients

MPO - Overview: Myeloperoxidase Antibodies, IgG, Serum

Evaluating patients with clinical features anti-neutrophil cytoplasmic antibody associated vasculitis, specifically granulomatosis with polyangiitis, microscopic polyangiitis (MPA), and eosinophilic granulomatosis with polyangiitis...

PMET - Overview: Metanephrines, Fractionated, Free, Plasma

Screening test for presumptive diagnosis of catecholamine-secreting pheochromocytomas or paragangliomas

PBGDW - Overview: Porphobilinogen Deaminase, Washed Erythrocytes

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

SHIGC - Overview: Shigella Culture, Feces

Determining whether Shigella species may be the cause of diarrhea Reflexive testing for Shigella species from nucleic acid amplification test-positive stool This test is generally not useful for patients hospitalized more than 3 days...

QFP - Overview: Q Fever IgM and IgG, Titer, Serum

Diagnosis of Coxiella burnetii, the causative agent of Q fever

RNP - Overview: RNP Antibodies, IgG, Serum

Evaluating patients with signs and symptoms of a connective tissue disease in whom the test for antinuclear antibodies is positive Testing for ribonucleoprotein particle antibodies is not useful in patients without demonstrable...