PC2TC - Overview: Purkinje Cell Cytoplasmic Antibody Type 2 (PCA-2) Titer, Spinal Fluid

Evaluating patients who present with a subacute neurological disorder of undetermined etiology and have risk factors for lung cancer Reporting an end titer result from spinal fluid specimens

PC1TC - Overview: Purkinje Cell Cytoplasmic Antibody Type 1 (PCA-1) Titer, Spinal Fluid

Identifying female patients whose subacute cerebellar degeneration or peripheral neuropathy is due to a remote (autoimmune) effect of gynecologic or breast carcinoma Reporting an end titer result from spinal fluid specimens

PNEFS - Overview: Neuroimmunology Antibody Follow-up, Serum

Monitoring patients who have previously tested positive for one or more antibodies within the past 5 years in a Mayo Neuroimmunology Laboratory serum evaluation

PC1TS - Overview: Purkinje Cell Cytoplasmic Antibody Type 1 (PCA-1) Titer, Serum

Identifying female patients whose subacute cerebellar degeneration or peripheral neuropathy is due to a remote (autoimmune) effect of gynecologic or breast carcinoma Reporting an end titer result from serum specimens

HIVQN - Overview: HIV-1 RNA Detection and Quantification, Plasma

Quantifying plasma HIV-1 RNA levels (viral load) in individuals living with HIV-1: -Before initiating antiretroviral therapy to obtain baseline viral load -Who may have developed HIV-1 drug resistance while on antiretroviral therapy -Who...

CCPQ - Overview: P/Q-Type Calcium Channel Antibody, Serum

Confirming a diagnosis of Lambert-Eaton syndrome Implicating autoimmunity as a disease-causing mechanism in patients with complex neurologic presentations, particularly in those with a history of cancer Implicating autoimmunity as the...

PC2TS - Overview: Purkinje Cell Cytoplasmic Antibody Type 2 (PCA-2) Titer, Serum

Evaluating patients who present with a subacute neurological disorder of undetermined etiology and have risk factors for lung cancer Reporting an end titer result from serum specimens

PYRC - Overview: Pyruvate, Spinal Fluid

Investigating possible disorders of mitochondrial metabolism, when used in conjunction with cerebrospinal fluid lactate, collected at the same time, to determine the lactate-to-pyruvate (L:P) ratio Evaluating patients with neurologic...

PYR - Overview: Pyruvic Acid, Blood

Screening for possible disorders of mitochondrial metabolism, when used in conjunction with blood lactate collected at the same time, to determine the lactate-to-pyruvate ratio

IODCU - Overview: Iodine/Creatinine Ratio, Random, Urine

Assessment of iodine toxicity or recent iodine exposure using a random urine collection Monitoring iodine excretion rate as index of replacement therapy