Epic Code LAB152 C3 Complement
Test Name Alias
C3 Complement Blood Level | C3 | SHO8487 | 1230100421
Interface Order Alias
10020
Quick Collect
+S/R
Collection Instructions
Specimen Collection: Blood
Container(s): Gold Top (Serum Separator-SST Gel) or Light Green Top (Lithium Heparin Gel)
Minimum Volume to Collect: 2.0 mL
Neonate Volume to Collect: 1.0 mL
Capillary collect ok? Yes
Microtainer acceptable: Yes
Collection Instructions:
- Avoid hemolysis
- After collection, gently invert tube 8-10 times.
- C3 and C4 can be run off of same 1 mL of serum or plasma.
- Specimen should be processed within 2 hours See Processing Instructions.
Processing Instructions (Laboratory, Outpatient or Off-site collection)
- Processed Specimen: Serum or Plasma
- Centrifuge/Spin: Yes
- Aliquot: Yes
-
Processing Instructions:
- Serum is preferred specimen type
- Green Tube/Plasma: Centrifuge after collection.
- Gold Tube/Serum: Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours.
- Minimum volume: 1.0 mL Serum or Plasma
- Transport Temperature: Refrigerated
Specimen Transport Temperature
Refrigerate
Specimen Stability
Ambient: 8 hours
Refrigerate: 72 hours
Frozen: aliquot plasma/serum for longer storage
Laboratory Retention: 72 hours
Test Frequency
Available daily, usual TAT 1 day.
Reference Range
90 - 180 mg/dL
Performing Department
Chemistry
Performing Department Laboratory Location
CHW: Corewell Health Reference Laboratory, Grand Rapids, MI
CHS: Corewell Health Lakeland St. Joseph Laboratory, St. Joseph, MI
Methodology
Immunoturbidimetric
CPT
86160
CDM Code
3028616003
Epic Test ID
1230100421
LOINC
C3 : 4485-9
Mayo Access Code
SHO8487
Reviewed Date
3/7/2024
Updated Date
4/25/2025 - CHS info added
12/2/2025 - Gold Top Preferred specimen
Orderable Regions
Southwest; West