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HelpTest ID: MAS1 Myelopathy, Autoimmune/Paraneoplastic Evaluation, Serum
Ordering Guidance
Multiple neurological phenotype-specific autoimmune/paraneoplastic evaluations are available. For more information as well as phenotype-specific testing options, see Autoimmune Neurology Test Ordering Guide.
When more than one evaluation is ordered on the same order number, the duplicate test will be canceled.
For a list of antibodies performed with each evaluation, see Autoimmune Neurology Antibody Matrix.
This test should not be requested for patients who have recently received radioisotopes, therapeutically or diagnostically, because of potential assay interference. The specific waiting period before specimen collection will depend on the isotope administered, the dose given, and the clearance rate in the individual patient. Specimens will be screened for radioactivity prior to analysis. Radioactive specimens received in the laboratory will be held 1 week and assayed if sufficiently decayed or canceled if radioactivity remains.
Necessary Information
Provide the following information:
-Relevant clinical information
-Ordering healthcare professional's name, phone number, mailing address, and email address
Specimen Required
For optimal antibody detection, specimen collection is recommended before starting immunosuppressant medication or intravenous immunoglobulin (IVIg) treatment.
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 4 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Forms
If not ordering electronically, complete, print, and send a Neurology Specialty Testing Client Test Request (T732) with the specimen.
Useful For
Evaluating patients with suspected autoimmune myelopathy, myelitis, and paraneoplastic myelopathy using serum specimens
Profile Information
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| MSI1 | Autoimmune Myelopathy Interp, S | No | Yes |
| AMPHS | Amphiphysin Ab, S | No | Yes |
| AGN1S | Anti-Glial Nuclear Ab, Type 1 | No | Yes |
| ANN1S | Anti-Neuronal Nuclear Ab, Type 1 | No | Yes |
| ANN2S | Anti-Neuronal Nuclear Ab, Type 2 | No | Yes |
| ANN3S | Anti-Neuronal Nuclear Ab, Type 3 | No | Yes |
| APBIS | AP3B2 IFA, S | No | Yes |
| CRMWS | CRMP-5-IgG Western Blot, S | Yes | Yes |
| DPPCS | DPPX Ab CBA, S | No | Yes |
| GABCS | GABA-B-R Ab CBA, S | No | Yes |
| GD65S | GAD65 Ab Assay, S | Yes | Yes |
| GFAIS | GFAP IFA, S | No | Yes |
| GL1IS | mGluR1 Ab IFA, S | No | Yes |
| MOGFS | MOG FACS, S | Yes | Yes |
| NCDIS | Neurochondrin IFA, S | No | Yes |
| NIFIS | NIF IFA, S | No | Yes |
| NMOFS | NMO/AQP4 FACS, S | Yes | Yes |
| PCABP | Purkinje Cell Cytoplasmic Ab Type 1 | No | Yes |
| PCAB2 | Purkinje Cell Cytoplasmic Ab Type 2 | No | Yes |
| SP7IS | Septin-7 IFA, S | No | Yes |
| T46IS | TRIM46 Ab IFA, S | No | Yes |
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| AGNBS | AGNA-1 Immunoblot, S | No | No |
| AINCS | Alpha Internexin CBA, S | No | No |
| AMIBS | Amphiphysin Immunoblot, S | No | No |
| AN1BS | ANNA-1 Immunoblot, S | No | No |
| AN2BS | ANNA-2 Immunoblot, S | No | No |
| DPPTS | DPPX Ab IFA Titer, S | No | No |
| GABIS | GABA-B-R Ab IF Titer Assay, S | No | No |
| GFACS | GFAP CBA, S | No | No |
| GFATS | GFAP IFA Titer, S | No | No |
| GL1CS | mGluR1 Ab CBA, S | No | No |
| GL1TS | mGluR1 Ab IFA Titer, S | No | No |
| MOGTS | MOG FACS Titer, S | No | No |
| NFHCS | NIF Heavy Chain CBA, S | No | No |
| NIFTS | NIF IFA Titer, S | No | No |
| NFLCS | NIF Light Chain CBA, S | No | No |
| NMOTS | NMO/AQP4 FACS Titer, S | No | No |
| PC1BS | PCA-1 Immunoblot, S | No | No |
| AGNTS | AGNA-1 Titer, S | No | No |
| AN1TS | ANNA-1 Titer, S | No | No |
| AN2TS | ANNA-2 Titer, S | No | No |
| AN3TS | ANNA-3 Titer, S | No | No |
| APBCS | AP3B2 CBA, S | No | No |
| APBTS | AP3B2 IFA Titer, S | No | No |
| APHTS | Amphiphysin Ab Titer, S | No | No |
| CRMTS | CRMP-5-IgG Titer, S | No | No |
| NCDCS | Neurochondrin CBA, S | No | No |
| NCDTS | Neurochondrin IFA Titer, S | No | No |
| PC1TS | PCA-1 Titer, S | No | No |
| PC2TS | PCA-2 Titer, S | No | No |
| SP7CS | Septin-7 CBA, S | No | No |
| SP7TS | Septin-7 IFA Titer, S | No | No |
| T46CS | TRIM46 Ab CBA, S | No | No |
| T46TS | TRIM46 Ab IFA Titer, S | No | No |
Testing Algorithm
If the indirect immunofluorescence assay (IFA) patterns suggest antiglial nuclear antibody (AGNA)-1, then the AGNA-1 immunoblot and AGNA-1 IFA titer will be performed at an additional charge.
If the IFA patterns suggest amphiphysin antibody, then the amphiphysin immunoblot and amphiphysin IFA titer will be performed at an additional charge.
If the IFA pattern suggests antineuronal nuclear antibody type 1 (ANNA-1), then the ANNA-1 IFA titer, ANNA-1 immunoblot, and ANNA-2 immunoblot will be performed at an additional charge.
If the IFA pattern suggests ANNA-2 antibodies, then the ANNA-2 IFA titer, ANNA-2 immunoblot, and ANNA-1 immunoblot will be performed at an additional charge.
If the client requests or the IFA pattern suggests ANNA-3 antibodies, then the ANNA-3 IFA titer will be performed at an additional charge.
If the IFA pattern suggests adaptor protein 3 beta 2 (AP3B2) antibodies, then the AP3B2 cell-binding assay (CBA) and AP3B2 IFA titer will be performed at an additional charge.
If the CRMP-5-IgG Western blot result is positive, then the CRMP-5-IgG IFA titer will be performed at an additional charge.
If the IFA pattern suggests Purkinje cytoplasmic antibody type 1 (PCA-1), then the PCA-1 immunoblot and PCA-1 IFA titer will be performed at an additional charge.
If the IFA pattern suggests PCA-2 antibody, then the PCA-2 IFA titer will be performed at an additional charge.
If gamma-aminobutyric acid B (GABA-B) receptor antibody CBA result is positive, then the GABA-B-receptor antibody IFA titer will be performed at an additional charge.
If the dipeptidyl-peptidase-like protein-6 (DPPX) antibody CBA result is positive, then the DPPX antibody IFA titer will be performed at an additional charge.
If the IFA pattern suggests metabotropic glutamate receptor 1 (mGluR1) antibody, then the mGluR1antibody CBA and mGluR1 antibody IFA titer will be performed at an additional charge.
If the IFA pattern suggests glial fibrillary acidic protein (GFAP) antibody, then the GFAP antibody CBA and GFAP antibody IFA titer will be performed at an additional charge.
If the neuromyelitis optica/aquaporin-4-IgG (NMO/AQP4-IgG) fluorescence-activated cell sorting (FACS) screen assay requires further investigation, then the NMO/AQP4-IgG FACS titration assay will be performed at an additional charge.
If the myelin oligodendrocyte glycoprotein (MOG) FACS screen assay requires further investigation, then the MOG FACS titration assay will be performed at an additional charge.
If the IFA pattern suggests neuronal intermediate filament (NIF) antibody, then the alpha internexin CBA, NIF heavy chain CBA, NIF light chain CBA, and NIF antibody IFA titer will be performed at an additional charge.
If the IFA pattern suggests neurochondrin antibody, then the neurochondrin antibody CBA and neurochondrin IFA titer will be performed at an additional charge.
If the IFA pattern suggests septin-7 antibody, then the septin-7 CBA and septin-7 IFA titer will be performed at an additional charge.
If the IFA pattern suggests tripartite motif-containing protein 46 (TRIM46) antibody, then the TRIM46 antibody CBA and TRIM46 IFA titer will be performed at an additional charge.
For more information see:
Autoimmune/Paraneoplastic Myelopathy Evaluation Algorithm-Serum
Central Nervous System Demyelinating Disease Diagnostic Algorithm
Method Name
MSI1: Medical Interpretation
AGN1S, AGNTS, AMPHS, APHTS, ANN1S, AN1TS, ANN2S, AN2TS, ANN3S, AN3TS, APBIS, APBTS, CRMTS, DPPTS, GABIS, GFAIS, GFATS, GL1IS, GL1TS, NCDIS, NCDTS, NIFIS, NIFTS, PCABP, PC1TS, PCAB2, PC2TS, SP7IS, SP7TS, T46IS, T46TS: Indirect Immunofluorescence Assay (IFA)
GD65S: Radioimmunoassay (RIA)
CRMWS: Western Blot (WB)
AGNBS, AMIBS, AN1BS, AN2BS, PC1BS: Immunoblot (IB)
MOGFS, MOGTS, NMOFS, NMOTS: Flow Cytometry (FCM)
APBCS, DPPCS, GABCS, GFACS, GL1CS, NCDCS, AINCS, NFLCS, NFHCS, SP7CS, T46CS: Cell-Binding Assay (CBA)
Reporting Name
Myelopathy, Autoimm/Paraneo, SSpecimen Type
SerumSpecimen Minimum Volume
2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 28 days |
| Frozen | 28 days | |
| Ambient | 72 hours |
Clinical Information
Patients with autoimmune myelopathy present with subacute onset and rapid progression of spinal cord symptoms with one or more of the following: weakness, gait difficulties, loss of sensation, neuropathic pain, and bowel and bladder dysfunction. Clinical history and examination, spinal cord magnetic resonance imaging, and cerebrospinal fluid (CSF) testing may provide clues to an autoimmune diagnosis. Autoimmune myelopathy evaluation of both serum and CSF can assist in the diagnosis (paraneoplastic or idiopathic autoimmune) and aid distinction from other causes of myelopathy (multiple sclerosis, sarcoidosis, vascular disease). Early testing may assist in early diagnosis of occult cancer, prompt initiation of immune therapies, or both.
Reference Values
|
Test ID |
Reporting name |
Methodology* |
Reference value |
|
MSI1 |
Autoimmune Myelopathy Interp, S |
Medical interpretation |
Interpretive report |
|
AMPHS |
Amphiphysin Ab, S |
IFA |
Negative |
|
AGN1S |
Anti-Glial Nuclear Ab, Type 1 |
IFA |
Negative |
|
ANN1S |
Anti-Neuronal Nuclear Ab, Type 1 |
IFA |
Negative |
|
ANN2S |
Anti-Neuronal Nuclear Ab, Type 2 |
IFA |
Negative |
|
ANN3S |
Anti-Neuronal Nuclear Ab, Type 3 |
IFA |
Negative |
|
APBIS |
AP3B2 IFA, S |
IFA |
Negative |
|
CRMWS |
CRMP-5-IgG Western Blot, S |
WB |
Negative |
|
DPPCS |
DPPX Ab CBA, S |
CBA |
Negative |
|
GABCS |
GABA-B-R Ab CBA, S |
CBA |
Negative |
|
GD65S |
GAD65 Ab Assay, S |
RIA |
≤0.02 nmol/L |
|
GFAIS |
GFAP IFA, S |
IFA |
Negative |
|
GL1IS |
mGluR1 Ab IFA, S |
IFA |
Negative |
|
MOGFS |
MOG FACS, S |
FCM |
Negative |
|
NCDIS |
Neurochondrin IFA, S |
IFA |
Negative |
|
NIFIS |
NIF IFA, S |
IFA |
Negative |
|
NMOFS |
NMO/AQP4 FACS, S |
FCM |
Negative |
|
PCABP |
Purkinje Cell Cytoplasmic Ab Type 1 |
IFA |
Negative |
|
PCAB2 |
Purkinje Cell Cytoplasmic Ab Type 2 |
IFA |
Negative |
|
SP7IS |
Septin-7 IFA, S |
IFA |
Negative |
|
T46IS |
TRIM46 IFA, S |
IFA |
Negative |
Reflex Information
|
Test ID |
Reporting name |
Methodology* |
Reference value |
|
AGNBS |
AGNA-1 Immunoblot, S |
IB |
Negative |
|
AGNTS |
AGNA-1 Titer, S |
IFA |
<1:240 |
|
AINCS |
Alpha Internexin CBA, S |
CBA |
Negative |
|
AMIBS |
Amphiphysin Immunoblot, S |
IB |
Negative |
|
AN1BS |
ANNA-1 Immunoblot, S |
IB |
Negative |
|
AN1TS |
ANNA-1 Titer, S |
IFA |
<1:240 |
|
AN2BS |
ANNA-2 Immunoblot, S |
IB |
Negative |
|
AN2TS |
ANNA-2 Titer, S |
IFA |
<1:240 |
|
AN3TS |
ANNA-3 Titer, S |
IFA |
<1:240 |
|
APBCS |
AP3B2 CBA, S |
CBA |
Negative |
|
APBTS |
AP3B2 IFA Titer, S |
IFA |
<1:240 |
|
APHTS |
Amphiphysin Ab Titer, S |
IFA |
<1:240 |
|
CRMTS |
CRMP-5-IgG Titer, S |
IFA |
<1:240 |
|
DPPTS |
DPPX Ab IFA Titer, S |
IFA |
<1:240 |
|
GABIS |
GABA-B-R Ab IF Titer Assay, S |
IFA |
<1:240 |
|
GFACS |
GFAP CBA, S |
CBA |
Negative |
|
GFATS |
GFAP IFA Titer, S |
IFA |
<1:240 |
|
GL1CS |
mGluR1 Ab CBA, S |
CBA |
Negative |
|
GL1TS |
mGluR1 Ab IFA Titer, S |
IFA |
<1:240 |
|
MOGTS |
MOG FACS Titer, S |
FCM |
<1:20 |
|
NCDCS |
Neurochondrin CBA, S |
CBA |
Negative |
|
NCDTS |
Neurochondrin IFA Titer, S |
IFA |
<1:240 |
|
NFHCS |
NIF Heavy Chain CBA, S |
CBA |
Negative |
|
NIFTS |
NIF IFA Titer, S |
IFA |
<1:240 |
|
NFLCS |
NIF Light Chain CBA, S |
CBA |
Negative |
|
NMOTS |
NMO/AQP4 FACS Titer, S |
FCM |
<1:5 |
|
PC1BS |
PCA-1 Immunoblot, S |
IB |
Negative |
|
PC1TS |
PCA-1 Titer, S |
IFA |
<1:240 |
|
PC2TS |
PCA-2 Titer, S |
IFA |
<1:240 |
|
SP7CS |
Septin-7 CBA, S |
CBA |
Negative |
|
SP7TS |
Septin-7 IFA Titer, S |
IFA |
<1:240 |
|
T46CS |
TRIM46 CBA, S |
CBA |
Negative |
|
T46TS |
TRIM46 IFA Titer, S |
IFA |
<1:240 |
*Methodology abbreviations:
Immunofluorescence assay (IFA)
Cell-binding assay (CBA)
Flow cytometry (FCM)
Radioimmunoassay (RIA)
Immunoblot (IB)
Western blot (WB)
Neuron-restricted patterns of IgG staining that do not fulfill criteria for ANNA-1, ANNA-2, ANNA-3, CRMP-5-IgG, PCA-1, or PCA-2 may be reported as "unclassified anti-neuronal IgG." Complex patterns that include non-neuronal elements may be reported as "uninterpretable."
Interpretation
A positive result is consistent with a diagnosis of autoimmune myelopathy in the appropriate clinical context.
Clinical Reference
1. Dubey D, Pittock SJ, Krecke KN, et al. Clinical, radiologic, and prognostic features of myelitis associated with myelin oligodendrocyte glycoprotein autoantibody. JAMA Neurol. 2019;76(3):301-309
2. Zalewski NL, Flanagan EP. Autoimmune and paraneoplastic myelopathies. Semin Neurol. 2018;38(3):278-289
3. Flanagan EP, Hinson SR, Lennon VA, et al. Glial fibrillary acidic protein immunoglobulin G as biomarker of autoimmune astrocytopathy: Analysis of 102 patients. Ann Neurol. 2017;81(2):298-309
4. Keegan BM, Pittock SJ, Lennon VA. Autoimmune myelopathy associated with collapsin response-mediator protein-5 immunoglobulin G. Ann Neurol. 2008;63(4):531-534
5. Weinshenker BG, Wingerchuk DM, Vukusic S, et al. Neuromyelitis optica IgG predicts relapse after longitudinally extensive transverse myelitis. Ann Neurol. 2006;59(3):566-569
Day(s) Performed
Profile tests: Monday through Sunday; Reflex tests: Varies
Report Available
8 to 12 daysTest Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
86255 x 16
86053
84182
86363
86341
84182 AGNBS (if appropriate)
86256 AGNTS (if appropriate)
86255 AINCS (if appropriate)
84182 AMIBS (if appropriate)
84182 AN1BS (if appropriate)
86256 AN1TS (if appropriate)
84182 AN2BS (if appropriate)
86256 AN2TS (if appropriate)
86256 AN3TS (if appropriate)
86255 APBCS (if appropriate)
86256 APBTS (if appropriate)
86256 APHTS (if appropriate)
86256 CRMTS (if appropriate)
86256 DPPTS (if appropriate)
86256 GABIS (if appropriate)
86255 GFACS (if appropriate)
86256 GFATS (if appropriate)
86255 GL1CS (if appropriate)
86256 GL1TS (if appropriate)
86363 MOGTS (if appropriate)
86255 NCDCS (if appropriate)
86256 NCDTS (if appropriate)
86255 NFHCS (if appropriate)
86255 NFLCS (if appropriate)
86256 NIFTS (if appropriate)
86053 NMOTS (if appropriate)
84182 PC1BS (if appropriate)
86256 PC1TS (if appropriate)
86256 PC2TS (if appropriate)
86255 SP7CS (if appropriate)
86256 SP7TS (if appropriate)
86255 T46CS (if appropriate)
86256 T46TS (if appropriate)
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| MAS1 | Myelopathy, Autoimm/Paraneo, S | 94339-9 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 61519 | GABA-B-R Ab CBA, S | 93428-1 |
| 38324 | NMO/AQP4 FACS, S | 43638-6 |
| 65563 | MOG FACS, S | 90248-6 |
| 64933 | DPPX Ab CBA, S | 94676-4 |
| 64928 | mGluR1 Ab IFA, S | 94347-2 |
| 605127 | Autoimmune Myelopathy Interp, S | 69048-7 |
| 605155 | GFAP IFA, S | 94346-4 |
| 606964 | NIF IFA, S | 96486-6 |
| 615867 | Neurochondrin IFA, S | 101452-1 |
| 615875 | Septin-7 IFA, S | 101465-3 |
| 615863 | AP3B2 IFA, S | 101907-4 |
| 616445 | TRIM46 Ab IFA, S | 103843-9 |
| 89080 | AGNA-1, S | 84927-3 |
| 81722 | Amphiphysin Ab, S | 72327-0 |
| 80150 | ANNA-1, S | 33615-6 |
| 80776 | ANNA-2, S | 43187-4 |
| 83137 | ANNA-3, S | 43102-3 |
| 83107 | CRMP-5-IgG Western Blot, S | 47401-5 |
| 81596 | GAD65 Ab Assay, S | 30347-9 |
| 83138 | PCA-2, S | 84925-7 |
| 9477 | PCA-1, S | 84924-0 |
| 618904 | IFA Notes | 48767-8 |
mml-neuroimmunology; mml-spinal-cord