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Lab Test Dictionary



Complement C3, Third Component of Complement

Specimen Type

Serum or Plasma

Performing Lab

RCHSD Chemistry

Epic ID


Lab Test Days


Standard TAT

4 hrs

Stat TAT

1 hour

Collection Information

Specimen Required

Minimum 1 ml blood

Container Type

Red Top (No Additive)

Collection Instructions

Serum gel barrier is acceptable.

Processing Information - Lab Use Only

Test Volume Required

0.2 ml serum or heparized plasma

Minimum Test Volume

0.1 ml serum or heparinized plasma

Processing Instructions

Centrifuge, separate serum or plasma from cells within 2 hours of collection. Give to Chemistry.


NOTE: For smaller infants, 0.6 ml microtainer is acceptable

CPT Codes