Complement (C3 and C4)

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Testing Laboratory

Waitematā | Northshore Hospital

Department

Specialised Serology & Proteins

Delphic Registration Code (Alpha Code)

C3, C4

Test Code (Numeric Code)

0443.0444

Laboratory Handling

Phlebotomy

Micro specimens are not recommended for activity tests. Heparin is not acceptable from the 28th of April 2023

Transport

Samples should be sent to the lab immediately

Registration

Use an "S" suffix barcode

Sample Stability

5 days

Synonyms

C3
C4

Turnaround Time

1 day

Available from 08:00am to 04:00pm, 7 days a week

Specimen Type

  • Serum

Specimen Requirements

Tube/Container Type:

Preferred
  • SST II (Gold Cap)
Preferred if Waitākere
  • SST II (Gold Cap)
Acceptable
  • Plain (Red Top)
Preferred Sample Volume (ml)

4

Minimum Sample Volume (ml)

1

No of Samples Required

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • SST(Microtainer)
Acceptable
  • Plain(Microtainer)
Minimum Sample Volume (ml)

0.4

Last updated: 23/09/2026