ARUP's Laboratory Test Directory

Motor & Sensory Neuropathy Evaluation with Reflex to ANNA Titer & ANNA Immunoblot : 0051224

Mnemonic: MSN EVAL

Methodology: Refer to individual components
Performed: Thu
Reported: 1-9 days
Specimen Required: Collect: Serum separator tube.

Specimen Preparation: Separate serum from cells ASAP or within 2 hours of collection. Transfer 2 mL serum to an ARUP Standard Transport Tube. (Min: 1 mL)

Storage/Transport Temperature: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Unacceptable Conditions: Urine or other body fluids. Refrigerated or room temperature specimens. Contaminated, heat-inactivated, hemolyzed, or icteric specimens.

Stability (collection to initiation of testing): Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 year
Reference Interval:
 
Test Number Components Reference Interval
 Asialo-GM1 Antibodies, IgG/IgM 29 IV or less: Negative
30-50 IV: Equivocal
51-100 IV: Positive
101 IV or greater: Strong Positive
 GM1 Antibodies, IgG/IgM 29 IV or less: Negative
30-50 IV: Equivocal
51-100 IV: Positive
101 IV or greater: Strong Positive
 GD1a Antibodies, IgG/IgM 29 IV or less: Negative
30-50 IV: Equivocal
51-100 IV: Positive
101 IV or greater: Strong Positive
 GD1b Antibodies, IgG/IgM 29 IV or less: Negative
30-50 IV: Equivocal
51-100 IV: Positive
101 IV or greater: Strong Positive
 GQ1b Antibodies, IgG/IgM 29 IV or less: Negative
30-50 IV: Equivocal
51-100 IV: Positive
101 IV or greater: Strong Positive
0051285Myelin Associated Glycoprotein (MAG) Antibody, IgM Less than 1000 TU
0051284Sulfate-3-Glucuronyl Paragloboside (SGPG) Antibody, IgM Less than 1.00 IV
 Neuronal Nuclear Antibody (ANNA) IgG Screen, by IFA < 1:10
0050912Neuronal Nuclear Antibody (ANNA) Titer IgG by IFA, Serum < 1:10 No antibody detected.
 Neuronal Nuclear Antibody IgG, Immunoblot Anti-Hu Negative
 Neuronal Nuclear Antibody IgG, Immunoblot Anti-Ri Negative

Note: ANNA antibodies are screened by IFA. If the IFA screen is 1:10, then a titer and immunoblot (Hu and Ri) will be added. Additional charges apply.
CPT Code(s): 83516 x5 Asialo-GM1; 83516 MAG IgM ELISA; 83516 SGPG IgM
86255 ANNA; if reflexed, add 86256 ANNA titer and 83516 Immunoblot
 
 

 

 

 
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