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HelpTest Code IgM Immunoglobulin M
Performing Laboratory
| Memorial Hospital Laboratory- Automated Procedures | 304-388-5953 |
Specimen Requirements
Plasma- Plasma-Mint Green, Dark Green Lithium Heparin or Serum-SST gold top, red top
Allow SST or red top to completely clot
Spin and physically separate plasma/serum from contact with cells as soon as possible
4 mL of plasma/serum (minimum 2 mL)
Fasting serum specimen is recommended
Specimen Rejection
- Improperly labeled, collected, stored, and transported
- Quantity not sufficient
- Hemolyzed
Storage and Stability
| Refrigerate 2-8o C | 3 days |
| Frozen < 20o C | Undetermined |
Reference Values
| > 18 yrs old | 35-242 mg/dL |
Methodology
Turbidimetric
Days Test Set Up and Turnaround
Monday through Sunday, Continuously
| AM Collection | Expected by 9AM same day |
| Routine | Expected within 24 hrs |
| Stat | Expected within 1 hr |
| Timed | Expected results are test dependant |
CPT Coding
82784