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HelpTest Code LAB152 C3 Complement
Clinical System Name
C3 Complement
Synonyms
C3
Sample Requirements
Specimen: Whole blood
Container(s): Gold SST, Gold Microtainer, Red, Lt. Green/Lithium Heparin, Dark Green/Sodium Heparin, Lavender/EDTA
Preferred Vol: 2.0 mL
Minimum Vol: 1.0 mL
Note: Avoid hemolysis. Can share volume with any other testing performed on the ProSpec.
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 | 8 d | |
| Frozen -20 C | 3 m |
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | M, W, F, day shift | 1-3 d |
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Chemistry
Location: Chem East
Phone Number: (206) 987-2617
CPT Codes
86160
Methodology
Method: Nephelometry by Siemens ProSpec
Analytical Volume: 0.4 mL serum/plasma (absolute minimum is 0.250 mL serum/plasma)
Limitations: Test is affected by repeated freeze-thaw cycles.
Reference Range
| mG/dL | |
|---|---|
| Newborn - 1 Month | 55 - 129 |
| 2 - 3 Months | 61 - 155 |
| 4 - 12 Months | 64 - 187 |
| > 1 Year | 83 - 203 |