« Go BackTest ID: Z6494 (Not individually orderable)
AMPA-Receptor Ab
CPT Code: 86255
LOINC:
Specimen Type: Red or Gel Clot
Frequency: Setup: Wed, Fri; Analytic time 2-7 days
Instructions: 1.0mL serum from red or gel clot tube, refrigerated. Minimum 0.5mL.
Text: Useful for Evaluating new onset encephalopathy encompassing 1 or more of the following: confusional states, psychosis, delirium, memory loss, hallucinations, seizures, dyssomnias, coma, dysautonomias, or hypoventilation. Part of group tests ZH217-Epilepsy, Autoimmune Evaluation, S and ZH253-Encephalopathy, Autoimmune Evaluation, S.
Methodology: Cell-binding assay (CBA) detects IgG specific for Gamma-Amino Butyric acid-type B receptor (GABA-B-R) by indirect immunofluorescence (IFA)
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