ARUP's Laboratory Test Directory
|
0051224: Motor & Sensory Neuropathy Evaluation with Reflex to ANNA Titer & ANNA Immunoblot
|
|
| Test Mnemonic: MSN EVAL |
Methodology: Refer to individual components
Performed: Tue-Thu
Reported: 1-8 days
|
| Specimen Required: |
|
Collect: One 6 mL SST.
Transport: 2 mL serum, frozen. (Min: 1 mL) Submit specimen in an ARUP Standard Transport Tube.
Pediatric Collection/Transport: 1 mL serum, frozen.
Remarks: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. Separate serum from cells ASAP.
Unacceptable Conditions: Contaminated, heat-inactivated, hemolyzed, icteric, ambient, or refrigerated specimens. Urine and other body fluids.
Stability: Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 year
|
| Reference Interval: |
| Test Number
| Components
| Reference Interval
| | | Ganglioside (asialo-GM1) Antibody, IgG/IgM
| 29 IV or less: Negative
30-50 IV: Weak Positive
51-150 IV: Positive
151 IV or greater: Strong Positive
| | | Ganglioside (GM1) Antibody, IgG/IgM
| 29 IV or less: Negative
30 IV-50 IV: Weak Positive
51 IV-150 IV: Positive
151 IV or greater: Strong Positive
| | | Ganglioside (GD1a) Antibody, IgG/IgM
| 29 IV or less: Negative
30 IV-50 IV: Weak Positive
51 IV-150 IV: Positive
151 IV or greater: Strong Positive
| | | Ganglioside (GD1b) Antibody, IgG/IgM
| 29 IV or less: Negative
30 IV-50 IV: Weak Positive
51 IV-150 IV: Positive
151 IV or greater: Strong Positive
| | | Ganglioside (GQ1b) Antibody, IgG/IgM
| 29 IV or less: Negative
30 IV-50 IV: Weak Positive
51 IV-150 IV: Positive
151 IV or greater: Strong Positive
| | 0051285 | Myelin Associated Glycoprotein (MAG) Antibody, IgM
| Less than 1000 TU
| | 0051284 | Sulfate-3-Glucuronyl Paragloboside (SGPG) Antibody, IgM
| Less than 1.00 IV
| | | Neuronal Nuclear Antibody (ANNA) IgG Screen, by IFA
| < 1:10
| | 0050912 | Neuronal 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.
|
| 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
|