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HelpTest Code LAB72 Immunoglobulin M Level
Clinical System Name
Immunoglobulin M Level
Synonyms
IgM
Sample Requirements
Specimen: Whole blood
Container(s): Gold SST, Gold Microtainer, Red, Lt. Green/Lithium Heparin
Preferred Vol: 2.0 mL
Minimum Vol: 1.0 mL
Note: Can share volume with IgA and IgG.
Processing Instructions
Reject due to:
Spin: Y
Aliquot: Y
Temp: 2-8 C
Storage location: CPA refrigerator, FrigA rack.
Off-site collection: Spin and aliquot 0.5mL serum/plasma in plastic tube. Send refrigerated.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| gel separator with serum/plasma | Refrigerated | 48 h |
| separated serum/plasma | Room temp | 2 h |
| Refrigerated | 7 d | |
| Frozen | 1 m |
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | M - F, day shift | 1-3 d |
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Chemistry
Location: Chem Lab
Phone Number: (206) 987-2617
Methodology
Method: Ortho Vitros 4600
Analytical Volume: 0.1 mL serum/plasma
Limitations:
Reference Range
| Age | Range (mg/dL) |
|---|---|
| 0 up to 15 days | < 48 |
| 15 days up to 6 months | < 79 |
| 6 months up to 1 year | < 145 |
| 1 year up to 19 years | 48 - 204 |
| 19 years and older | 40 - 230 |
CPT Codes
82784