| Test Name: | Immunoglobulin M (IgM) |
| Epic Order Code: | LAB72 |
| CPT Code: | 82784 |
| Specimen(s) Type: | Serum; 0.5 mL |
| Acceptable Container(s): |  Tube top is light green. |
| Testing Schedule: | Monday-Friday |
| Turn Around Time: | STAT: N/A |
| Routine: 1-3 days |
| Collection Information: | No special patient preparation is required. Obtain specimen by standard collection procedures. |
| Transport Information: | Deliver to lab immediately. All specimens must be signed into the laboratory. |
| Reference Clients: | If unable to deliver to the lab within 1 hour, centrifuge the specimen and remove serum from the red cells. Sample is stable at room temperature up to 2 months, at 2-8° C up to 4 months, and at -20° C up to 6 months. |
| Causes for Rejection: | Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport. |
| Reference Range: | Reference values according to CRM 470 Protein Standardization: |
| 0 - 1 yr: 0 - 145 mg/dL |
| 1 - 3 yrs: 19 - 146 mg/dL |
| 4 - 6 yrs: 24 - 210 mg/dL |
| 7 - 9 yrs: 31 - 208 mg/dL |
| 10 - 11 yrs: 31 - 179 mg/dL |
| 12 - 13 yrs: 35 - 239 mg/dL |
| 14 - 15 yrs: 15 - 188 mg/dL |
| 16 - 19 yrs: 23 - 259 mg/dL |
| > 20 yrs: 40 - 230 mg/dL |
| Additional Information: | |