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HelpTest Code IGM Immunoglobulin M (IgM), Serum or Plasma
Additional Codes
Epic Test ID
LAB72
Performing Laboratory
Bronson Laboratory Services-Chemistry
Specimen Required
| Container Type: |
Optimal: Inpatient: Mint STAT: Mint Outpatient: Gold Acceptable: Red Top or Green Lithium Heparin.
|
| Optimal Collection Volume: |
4.5 mL; Full Tube |
| Collection Instructions: |
Gently invert sample 5-6 times after collection. |
| Processing Instructions: |
1. Allow serum sample to clot for 30 minutes. 2. Centrifuge specimen within 2 hours of collection. 3. Specimen tubes without a gel barrier should have the serum or plasma aliquoted to a false bottom container after centrifugation. 4. Keep serum/plasma refrigerated until testing can be performed. |
Reference Values
|
Newborns: 6-25 mg/dL |
|
1-6 months: 19-103 mg/dL |
|
7-12 months: 32-132 mg/dL |
|
1-3 years: 41-190 mg/dL |
|
4-5 years: 41-186 mg/dL |
|
6-8 years: 46-197 mg/dL |
|
9-10 years: 49-230 mg/dL |
|
Adults: 53-334 mg/dL |
Methodology
Immunoturbidimetric
Specimen Transport Temperature
Refrigerate
Specimen Stability
Serum*, Room Temperature - 2 months
Serum*, Refrigerated - 4 months
Serum*, Frozen - 6 months
*Note: Heparinized plasma in gel separator tubes is less stable than serum and is only suitable for add-on testing up to 2 days following sample collection.
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
82784