ARUP's Laboratory Test Directory

Complement Component 3 : 0050150

Mnemonic: C3

Methodology: Quantitative Immunoturbidimetry
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect: Serum separator tube.

Specimen Preparation: Allow specimen to clot at room temperature. Separate serum from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum to an ARUP Standard Transport Tube and freeze. (Min: 0.3 mL)

Storage/Transport Temperature: Frozen.

Unacceptable Conditions: Specimens left to clot at refrigerated temperature. Specimens exposed to repeated freeze/thaw cycles.

Stability (collection to initiation of testing): Ambient: 8 hours; Refrigerated: 24 hours; Frozen: 2 weeks
Reference Interval:
 
0-30 days: 59-121 mg/dL     
1 month: 55-129 mg/dL                 
2 months: 61-155 mg/dL               
3 months: 67-136 mg/dL               
4 months: 65-182 mg/dL               
5 months: 67-174 mg/dL               
6 months: 77-179 mg/dL                		7-8 months: 78-173 mg/dL
9-11 months: 76-187 mg/dL
1 year: 87-181 mg/dL
2 years: 84-177 mg/dL
3-4 years: 80-178 mg/dL
5-11 years: 80-160 mg/dL
12-17 years: 82-163 mg/dL
18 years and older: 88-201 mg/dL

CPT Code(s): 86160
Cross References: C3 (Complement Component 3)