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Test Code ZG113 Ganglioside Antibody Panel, Serum

Additional Codes

Ordering Mnemonic Mayo Test ID
GANGAB GM1B

Reporting Name

Ganglioside Ab Panel, S

Useful For

Supporting the diagnosis of an autoimmune neuropathy

Profile Information

Test ID Reporting Name Available Separately Always Performed
IGG_M IgG Monos. GM1 No Yes
IGM_M IgM Monos. GM1 No Yes
IGG_A IgG Asialo. GM1 No Yes
IGM_A IgM Asialo. GM1 No Yes
IGG_D IgG Disialo. GD1b No Yes
IGM_D IgM Disialo. GD1b No Yes

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Specimen Volume: 1 mL


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

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

Reference Values

Profile Information:

IGG_M: Negative

IGM_M: Negative

IGG_A: Negative

IGM_A: Negative

IGG_D: Negative

IGM_D: Negative

 

Reflex Information:

IGMTS: <1:2000

IMMTS: <1:4000

IGATS: <1:16000

IMATS: <1:8000

IGDTS: <1:2000

IMDTS: <1:2000

Day(s) and Time(s) Performed

Tuesday, Thursday; 12 p.m.

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

83516 x 6

83520 x 6 (if applicable)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
GM1B Ganglioside Ab Panel, S 82455-7

 

Result ID Test Result Name Result LOINC Value
4414 IgG Asialo. GM1 46969-2
4416 IgG Disialo. GD1b 13662-2
4412 IgG Monos. GM1 43240-1
4415 IgM Asialo. GM1 43179-1
4417 IgM Disialo. GD1b 13661-4
4413 IgM Monos. GM1 43241-9

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)

Forms

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

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
IGMTS IgG Monos GM1 Titer, S No No
IMMTS IgM Monos GM1 Titer, S No No
IGATS IgG Asialo GM1 Titer, S No No
IMATS IgM Asialo GM1 Titer, S No No
IGDTS IgG Disialo GD1b Titer, S No No
IMDTS IgM Disialo GD1b Titer, S No No

Testing Algorithm

Screening tests are performed for IgG and IgM antibodies to GM1 and GD1b. If positive, the appropriate titer will be performed.