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Complement Component 3
0050150
Ordering Recommendation
Mnemonic
C3
Methodology
Quantitative Immunoturbidimetry
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
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.  
Remarks
 
Stability
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

Interpretive Data


Note
CPT Code(s)
86160
Components
Component Test Code*Component Chart NameLOINC
0050150Complement Component 34485-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • 3rd Component of Complement
  • C3
  • C3 COMP, Complement C3, Serum
  • Serum C3