C341Q - Overview: Complement C3 and C4 with Anti-C1q Antibodies, Serum

Evaluating patients with suspected anti-C1q vasculitis Predicting renal involvement in patients with systemic lupus erythematosus

199PT - Overview: Carbohydrate Antigen 19-9 (CA 19-9), Peritoneal Fluid

An adjunct to cytology to differentiate between malignancy-related ascites and benign causes of ascites formation

PBGDW - Overview: Porphobilinogen Deaminase, Washed Erythrocytes

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

SFGP - Overview: Spotted Fever Group Antibody, IgG and IgM, Serum

Aiding in the diagnosis of spotted fever group rickettsial infections

TGQN - Overview: Thyroglobulin, Tumor Marker, Serum

Quantitative thyroglobulin measurement as a part of evaluating suspected interference from heterophile antibodies causing a falsely elevated thyroglobulin result

VZIKS - Overview: Zika Virus, PCR, Molecular Detection, Serum

Qualitative detection of Zika virus RNA in serum from individuals meeting the Centers of Disease Control and Prevention Zika virus clinical or epidemiologic criteria

UPGDW - Overview: Uroporphyrinogen Decarboxylase, Washed Erythrocytes

Diagnosis of porphyria cutanea tarda type II and hepatoerythropoietic porphyria

UPGD - Overview: Uroporphyrinogen Decarboxylase, Whole Blood

Preferred test for the confirmation of a diagnosis of porphyria cutanea tarda type II and hepatoerythropoietic porphyria

ASMW - Overview: Acid Sphingomyelinase, Leukocytes

Investigation of possible diagnosis of Niemann-Pick disease types A and B This test is not recommended for carrier detection because of the wide range of enzymatic activities observed in carriers and noncarriers.

CLFAT - Overview: Cryptococcus Antigen Titer, Lateral Flow Assay, Spinal Fluid

Monitoring Cryptococcus antigen titers in cerebrospinal fluid Aiding in the diagnosis of cryptococcosis This test should not be used as a test of cure or to guide treatment decisions.