Neuroimmunology Antibody Follow-up, Serum - Mayo Clinic Health System in Mankato

Reporting Name

Neuroimmunology Ab Follow-up, S

Useful For

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

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum

Ordering Guidance

This test is only appropriate for follow-up in patients who have previously tested positive in a serum test. If patients have not previously been positive in a serum test, order one of the following:

-AIAES / Axonal Neuropathy, Autoimmune/Paraneoplastic Evaluation, Serum

-CDS1 / CNS Demyelinating Disease Evaluation, Serum

-CIDP / Chronic Inflammatory Demyelinating Polyradiculoneuropathy/Nodopathy Eval, Serum

-DYS2 / Dysautonomia, Autoimmune/Paraneoplastic Evaluation, Serum

-DMS2 / Dementia, Autoimmune/Paraneoplastic Evaluation, Serum

-ENS2 / Encephalopathy, Autoimmune/Paraneoplastic Evaluation, Serum

-EPS2 / Epilepsy, Autoimmune/Paraneoplastic Evaluation, Serum

-GID2 / Gastrointestinal Dysmotility, Autoimmune/Paraneoplastic Evaluation, Serum

-MAS1 / Myelopathy, Autoimmune/Paraneoplastic Evaluation, Serum

-MDS2 / Movement Disorder, Autoimmune/Paraneoplastic Evaluation, Serum

-MGLE / Myasthenia Gravis/Lambert-Eaton Myasthenic Syndrome Evaluation, Serum

-MGMR / Myasthenia Gravis Evaluation with Muscle-Specific Kinase (MuSK) Reflex, Serum

-NMS1 / Necrotizing Myopathy Evaluation, Serum

-PCDES / Pediatric Autoimmune Encephalopathy/CNS Disorder Evaluation, Serum

-SPPS / Stiff-Person Spectrum Disorders/PERM Evaluation, Serum

This test should not be requested in 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.

Specimen Required

Collection Container/Tube:

Preferred:Red top

Acceptable:Serum gel

Submission Container/Tube: 13 x 75-mm plastic screw-top vial

Specimen Volume: 4 mL

Collection Instructions: Centrifuge within 2 hours. Aliquot and ship in 13 x 75-mm plastic screw-top vial.

Specimen Minimum Volume

2 mL

Specimen Stability Information

Specimen Type	Temperature	Time
Serum	Refrigerated (preferred)	28 days
	Frozen	28 days
	Ambient	72 hours

Reference Values

Test ID	Reporting Name	Methodology*	Reference Value
GANG	AChR Ganglionic Neuronal Ab, S	RIA	≤0.02 nmol/L
ACMFS	AChR Modulating Flow Cytometry, S	FACS	Negative
AGNBS	AGNA-1 Immunoblot, S	IB	Negative
AINCS	Alpha Internexin CBA, S	CBA	Negative
AMPCS	AMPA-R Ab CBA, S	CBA	Negative
AMPHS	Amphiphysin Ab, S	IFA	Negative
AMIBS	Amphiphysin Immunoblot, S	IB	Negative
AN1BS	ANNA-1 Immunoblot, S	IB	Negative
AN2BS	ANNA-2 Immunoblot, S	IB	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
APBCS	AP3B2 CBA, S	CBA	Negative
APBIS	AP3B2 IFA, S	IFA	Negative
CS2CS	CASPR2-IgG CBA, S	CBA	Negative
CRMS	CRMP-5-IgG, S	IFA	Negative
DPPCS	DPPX Ab CBA, S	CBA	Negative
DPPIS	DPPX Ab IFA, S	IFA	Negative
GABCS	GABA-B-R Ab CBA, S	CBA	Negative
GFACS	GFAP CBA, S	CBA	Negative
GFAIS	GFAP IFA, S	IFA	Negative
GRFCS	GRAF1 CBA, S	CBA	Negative
GRFIS	GRAF1 IFA, S	IFA	Negative
IGG_A	IgG Asialo. GM1	EIA	Negative
IGG_D	IgG Disialo. GD1b	EIA	Negative
IG5CS	IgLON5 CBA, S	CBA	Negative
IG5IS	IgLON5 IFA, S	IFA	Negative
IGM_A	IgM Asialo. GM1	EIA	Negative
IGM_D	IgM Disialo. GD1b	EIA	Negative
IGM_M	IgM Monos. GM1	EIA	Negative
ITPCS	ITPR1 CBA, S	CBA	Negative
ITPIS	ITPR1 IFA, S	IFA	Negative
LG1CS	LGI1-IgG CBA, S	CBA	Negative
GL1CS	mGluR1 Ab CBA, S	CBA	Negative
GL1IS	mGluR1 Ab IFA, S	IFA	Negative
NCDCS	Neurochondrin CBA, S	CBA	Negative
NCDIS	Neurochondrin IFA, S	IFA	Negative
NFHCS	NIF Heavy Chain CBA, S	CBA	Negative
NIFIS	NIF IFA, S	IFA	Negative
NFLCS	NIF Light Chain CBA, S	CBA	Negative
NMDCS	NMDA-R Ab CBA, S	CBA	Negative
CCPQ	P/Q-Type Calcium Channel Ab	RIA	≤0.02 nmol/L
PC1BS	PCA-1 Immunoblot, S	IB	Negative
PCTBS	PCA-Tr Immunoblot, S	IB	Negative
PCABP	Purkinje Cell Cytoplasmic Ab Type 1	IFA	Negative
PCAB2	Purkinje Cell Cytoplasmic Ab Type 2	IFA	Negative
PCATR	Purkinje Cell Cytoplasmic Ab Type Tr	IFA	Negative
SP5CS	Septin-5 CBA, S	CBA	Negative
SP5IS	Septin-5 IFA, S	IFA	Negative
SP7CS	Septin-7 CBA, S	CBA	Negative
SP7IS	Septin-7 IFA, S	IFA	Negative
SRPIS	SRP IFA Screen, S	IFA	Negative
SRPBS	SRP Immunoblot, S	IB	Negative
PDEIS	PDE10A Ab IFA, S	IFA	Negative
T46CS	TRIM46 Ab CBA, S	CBA	Negative
T46IS	TRIM46 Ab IFA, S	IFA	Negative

*Methodology abbreviations:

CBA: Cell-binding assay

FACS: Flow Cytometry

IB: Immunoblot

IFA: Immunofluorescence assay

RIA: Radioimmunoassay

WB: Western blot (WB)

Day(s) Performed

Varies

CPT Code Information

83519 GANG (if appropriate)

86043 ACMFS (if appropriate)

84182 AGNBS (if appropriate)

86255 AINCS (if appropriate)

86255 AMPCS (if appropriate)

86255 AMPHS (if appropriate)

84182 AMIBS (if appropriate)

84182 AN1BS (if appropriate)

84182 AN2BS (if appropriate)

86255 AGN1S (if appropriate)

86255 ANN1S (if appropriate)

86255 ANN2S (if appropriate)

86255 ANN3S (if appropriate)

86255 APBCS (if appropriate)

86255 APBIS (if appropriate)

86255 CS2CS (if appropriate)

86255 CRMS (if appropriate)

86255 DPPCS (if appropriate)

86255 DPPIS (if appropriate)

86255 GABCS (if appropriate)

86255 GFACS (if appropriate)

86255 GFAIS (if appropriate)

86255 GRFCS (if appropriate)

86255 GRFIS (if appropriate)

83516 IGG_A (if appropriate)

83516 IGG_D (if appropriate)

86255 IG5CS (if appropriate)

86255 IG5IS (if appropriate)

83516 IGM_A (if appropriate)

83516 IGM_D (if appropriate)

83516 IGM_M (if appropriate)

86255 ITPCS (if appropriate)

86255 ITPIS (if appropriate)

86255 LG1CS (if appropriate)

86255 GL1CS (if appropriate)

86255 GL1IS (if appropriate)

86255 NCDCS (if appropriate)

86255 NCDIS (if appropriate)

86255 NFHCS (if appropriate)

86255 NIFIS (if appropriate)

86255 NFLCS (if appropriate)

86255 NMDCS (if appropriate)

83519 CCPQ (if appropriate)

84182 PC1BS (if appropriate)

84182 PCTBS (if appropriate)

86255 PCABP (if appropriate)

86255 PCAB2 (if appropriate)

86255 PCATR (if appropriate)

86255 PDEIS (if appropriate)

86255 SP5CS (if appropriate)

86255 SP5IS (if appropriate)

86255 SP7CS (if appropriate)

86255 SP7IS (if appropriate)

86255 SRPIS (if appropriate)

84182 SRPBS (if appropriate)

86255 T46CS (if appropriate)

86255 T46IS (if appropriate)

LOINC Code Information

Test ID	Test Order Name	Order LOINC Value
PNEFS	Neuroimmunology Ab Follow-up, S	80615-8

Result ID	Test Result Name	Result LOINC Value
84300	Neuroimmunology Ab Follow-up, S	80615-8

Report Available

Varies

Reject Due To

Gross hemolysis	Reject
Gross lipemia	Reject
Gross icterus	Reject

Reflex Tests

Test ID	Reporting Name	Available Separately	Always Performed
GANG	AChR Ganglionic Neuronal Ab, S	No	No
ACMFS	AChR Modulating Flow Cytometry, S	No	No
AGNBS	AGNA-1 Immunoblot, S	No	No
AINCS	Alpha Internexin CBA, S	No	No
AMPCS	AMPA-R Ab CBA, S	No	No
AMIBS	Amphiphysin Immunoblot, S	No	No
AN1BS	ANNA-1 Immunoblot, S	No	No
AN2BS	ANNA-2 Immunoblot, S	No	No
AGN1S	Anti-Glial Nuclear Ab, Type 1	No	No
ANN1S	Anti-Neuronal Nuclear Ab, Type 1	No	No
ANN2S	Anti-Neuronal Nuclear Ab, Type 2	No	No
ANN3S	Anti-Neuronal Nuclear Ab, Type 3	No	No
CS2CS	CASPR2-IgG CBA, S	No	No
CRMS	CRMP-5-IgG, S	No	No
DPPCS	DPPX Ab CBA, S	No	No
DPPIS	DPPX Ab IFA, S	No	No
GABCS	GABA-B-R Ab CBA, S	No	No
GFACS	GFAP CBA, S	No	No
GFAIS	GFAP IFA, S	No	No
GRFCS	GRAF1 CBA, S	No	No
GRFIS	GRAF1 IFA, S	No	No
IGG_A	IgG Asialo. GM1	No	No
IGG_D	IgG Disialo. GD1b	No	No
IG5CS	IgLON5 CBA, S	No	No
IG5IS	IgLON5 IFA, S	No	No
IGM_A	IgM Asialo. GM1	No	No
IGM_D	IgM Disialo. GD1b	No	No
IGM_M	IgM Monos. GM1	No	No
ITPCS	ITPR1 CBA, S	No	No
ITPIS	ITPR1 IFA, S	No	No
LG1CS	LGI1-IgG CBA, S	No	No
GL1CS	mGluR1 Ab CBA, S	No	No
GL1IS	mGluR1 Ab IFA, S	No	No
NIFIS	NIF IFA, S	No	No
NFLCS	NIF Light Chain CBA, S	No	No
NMDCS	NMDA-R Ab CBA, S	No	No
CCPQ	P/Q-Type Calcium Channel Ab	No	No
PC1BS	PCA-1 Immunoblot, S	No	No
PCTBS	PCA-Tr Immunoblot, S	No	No
PCABP	Purkinje Cell Cytoplasmic Ab Type 1	No	No
PCAB2	Purkinje Cell Cytoplasmic Ab Type 2	No	No
PCATR	Purkinje Cell Cytoplasmic Ab Type Tr	No	No
SRPIS	SRP IFA Screen, S	No	No
SRPBS	SRP Immunoblot, S	No	No
AMPHS	Amphiphysin Ab, S	No	No
APBCS	AP3B2 CBA, S	No	No
APBIS	AP3B2 IFA, S	No	No
NCDCS	Neurochondrin CBA, S	No	No
NCDIS	Neurochondrin IFA, S	No	No
NFHCS	NIF Heavy Chain CBA, S	No	No
SP5CS	Septin-5 CBA, S	No	No
SP5IS	Septin-5 IFA, S	No	No
SP7CS	Septin-7 CBA, S	No	No
SP7IS	Septin-7 IFA, S	No	No
PDEIS	PDE10A Ab IFA, S	No	No
T46CS	TRIM46 Ab CBA, S	No	No
T46IS	TRIM46 Ab IFA, S	No	No

Method Name

AGN1S, AMPHS, ANN1S, ANN2S, ANN3S, CRMS, DPPIS, GL1IS, PCAB2, PCABP, PCATR, GRFIS, IG5IS, ITPIS, GFAIS, SRPIS, NIFIS, APBIS, NCDIS, SP5IS, SP7IS, PDEIS, T46IS: Indirect Immunofluorescence Assay (IFA)

AMPCS, CS2CS, DPPCS, GABCS, GL1CS, LG1CS, NMDCS, GRFCS, IG5CS, ITPCS, GFACS, NFLCS, NFHCS, AINCS, APBCS, NCDCS, SP5CS, SP7CS, T46CS: Cell Binding Assay (CBA)

CCPQ, GANG: Radioimmunoassay (RIA)

ACMFS: Flow Cytometry (FACS)

IGG_A, IGG_D, IGM_A, IGM_D, IGM_M: Enzyme-linked Immunosorbent Assay (EIA)

AGNBS, AMIBS, AN1BS, AN2BS, PC1BS, PCTBS, SRPBS: Immunoblot (IB)

Test 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.

Forms

If not ordering electronically, complete, print, and send a Neurology Specialty Testing Client Test Request (T732) with the specimen.

Secondary ID

84300

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Test Code PNEFS Neuroimmunology Antibody Follow-up, Serum