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Complement C4 (Prisma Health)
Test Code1230100056
Alias/See Also
LAB151
CPT Codes
86160
Preferred Specimen
RHC HOSPITAL LAB CENTRAL: YELLOW TOP (Refrigerated) Min Vol 0.1 mL
Other Acceptable Specimens
RHC HOSPITAL LAB CENTRAL: MICRO YELLOW (Refrigerated) Min Vol 0.1 mL
Instructions
Adult: Minimum 2.5 mL blood
*Pediatric minimum: 1 full microtainer*
Transport Temperature
It is recommended that tubes of blood are to be kept closed at all times and in a vertical position. Yellow tube must clot for 30 minutes prior to centrifugation. It is required that the serum or plasma be physically separated from contact with cells within two hours from the time of collection.
Analyze fresh specimens, if possible. Separated samples are stable for at 2 to 8°C for up to 2 days. Stored specimens must be inspected for particulates. If present, mix and centrifuge the specimen to remove particulates prior to testing. Repeated freeze/thaw cycles should be avoided to minimize potential protein degradation.
Report Available
RHC HOSPITAL LAB CENTRAL
STAT 60 Minutes
STAT 60 Minutes
Life or Death 60 Minutes
Timed 4 Hours
Routine 4 Hours
Reference Range
0 - 1 Year: 7 - 30 mg/dL
1 - 14 Years: 13 - 46 mg/dL
>/= 14 Years: 15 - 57 mg/dL
1 - 14 Years: 13 - 46 mg/dL
>/= 14 Years: 15 - 57 mg/dL
Last Updated: June 21, 2023
