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Encephalopathy Eval,CSF
ENC1
Synonyms
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Allscripts (AEHR) Order Name
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Encephalopathy Evaluation, CSF (ENC1)
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Sunrise Clinical Manager (SCM) Order Name
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Encephalopathy, Autoimmune Evaluation, Spinal F
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Clinical Info
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Evaluating new onset encephalopathy (noninfectious or metabolic) comprising confusional states, psychosis, delirium, memory loss, hallucinations, movement disorders, sensory or motor complaints, seizures, dyssomnias, ataxias, nausea, vomiting, inappropriate antidiuresis, coma, dysautonomias, or hypoventilation in spinal fluid specimens
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Specimen Type
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CSF
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Container
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Sterile
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Collection Instructions
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Container/Tube: Sterile Vial Specimen: 4 mL CSF (2 mL min) Transport Temperature: Refrigerated This test is intended to be ordered for adult patients. If this test is ordered for a patient younger than 18 years of age, it will be canceled and automatically reordered by the laboratory as PCDEC / Pediatric Autoimmune Encephalopathy/CNS Disorder Evaluation, Spinal Fluid. The pediatric autoimmune CNS disorders evaluation is part of an evolving approach to testing for autoimmune neurological disorders using phenotypic-specific evaluations that include multiple antibodies known for their disease association.
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Transport Instructions
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72 Hours Room Temperature
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Specimen Stability
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3 Days Room Temperature 28 Days Refrigerated 28 Days Frozen
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Methodology
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AGN1C, AMPHC, AMPIC, ANN1C, ANN2C, ANN3C, CRMC, DPPIC, DPPTC, GABIC, GFAIC, GFATC, GL1IC, GL1TC, IG5IC, IG5TC, NIFIC, NIFTC, NMDIC, PCA1C, PCA2C, PCTRC: Indirect Immunofluorescence Assay (IFA) AINCC, AMPCC, CS2CC, DPPCC, GABCC, GFACC, GL1CC, IG5CC, LG1CC, NFHCC, NFLCC, NMDCC: Cell-Binding Assay (CBA) CRMWC: Western Blot (WB) AGNBC, AMIBC, AN1BC, AN2BC, PC1BC, PCTBC: Immunoblot (IB) GD65C: Radioimmunoassay (RIA)
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Days Performed
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TAT: 9 - 13 Days
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Performing Laboratory
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Mayo Medical Laboratories
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CPT
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86255 x 21 86341 LOINC Code: 94708-5
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PDM
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1759170
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Result Interpretation
est ID
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Reporting name
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Methodology
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Reference value
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AEECI
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Encephalopathy, Interpretation, CSF
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Medical interpretation
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NA
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AMPCC
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AMPA-R Ab CBA, CSF
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CBA
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Negative
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AMPHC
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Amphiphysin Ab, CSF
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IFA
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Negative
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AGN1C
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Anti-Glial Nuclear Ab, Type 1
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IFA
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Negative
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ANN1C
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Anti-Neuronal Nuclear Ab, Type 1
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IFA
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Negative
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ANN2C
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Anti-Neuronal Nuclear Ab, Type 2
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IFA
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Negative
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ANN3C
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Anti-Neuronal Nuclear Ab, Type 3
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IFA
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Negative
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CS2CC
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CASPR2-IgG CBA, CSF
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CBA
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Negative
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CRMC
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CRMP-5-IgG, CSF
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IFA
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Negative
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DPPIC
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DPPX Ab IFA, CSF
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IFA
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Negative
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GABCC
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GABA-B-R Ab CBA, CSF
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CBA
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Negative
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GD65C
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GAD65 Ab Assay, CSF
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RIA
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< or =0.02 nmol/L
Reference values apply to all ages.
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GFAIC
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GFAP IFA, CSF
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IFA
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Negative
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IG5IC
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IgLON5 IFA, CSF
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IFA
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Negative
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LG1CC
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LGI1-IgG CBA, CSF
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CBA
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Negative
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NCDIC
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Neurochondrin IFA, CSF
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IFA
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Negative
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GL1IC
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mGluR1 Ab IFA, CSF
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IFA
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Negative
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NIFIC
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NIF IFA, CSF
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IFA
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Negative
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NMDCC
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NMDA-R Ab CBA, CSF
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CBA
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Negative
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PCTRC
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Purkinje Cell Cytoplasmc Ab Type Tr
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IFA
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Negative
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PCA1C
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Purkinje Cell Cytoplasmic Ab Type 1
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IFA
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Negative
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PCA2C
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Purkinje Cell Cytoplasmic Ab Type 2
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IFA
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Negative
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SP7IC
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Septin-7 IFA, CSF
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IFA
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Negative
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Forms
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