This test is not orderable.

C4 Complement, Functional, S

Synonyms

  • C4 COMPLEMENT, FUNCTIONAL, S
  • C4FUNS
  • LAB11281

Cerner Name

C4 Complement, Functional, S

Clinical Info

Diagnosis of C4 deficiency Investigation of a patient with an undetectable total complement level

Specimen Sources

Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

Blood

Container

Blue Top Tube

Collection Instructions

Container/Tube: Red Top Tube
Specimen: 1 mL serum (0.5 mL min)
Collection: Centrifuge and aliquot serum into plastic vial.
Immediately freeze specimen.
Fasting Preferred

Specimen Volume

Transport Instructions

Frozen

Specimen Stability

14 Days Frozen

Methodology

Automated Liposome Lysis Assay

Days Performed

TAT: 3-5 Days

Performing Laboratory

Mayo Medical Laboratories

CPT

86161
LOINC Code: 93978-5

PDM

225445

Only Orderable at Locations:

Orderable Everywhere

Results
Component Name Base Name Common Name External Name
C4D COMPLEMENT, P C4D C4D COMPLEMENT, P C4 Complement, Functional, S

Result Interpretation

22-45 U/mL

Forms
LAB11281 build edit