Test directory: C4a

Ordering Code4145
Test NameC4a
AliasC4 anaphylatoxin
Preferred SpecimenPlasma
Preferred ContainerEDTA, K2 (Lavender)
Optimum Volume1 mL
Collection InstructionsCollection only available at KAUAI 1, HILO 1, POB 3 DLS,
KONA 2 and QMC PB due to specimen transport requirements.
Handling InstructionsSpin & Separate within 30 minutes of draw
Transfer the cell-free plasma to a clean tube and store immediately frozen on dry ice at -70 C or below.
Transport RequirementsShip on dry ice.
Specimen StabilityAmbient: Not Stable
Refrigerated: Not Stable
Frozen: -70 degrees, 1 year
Rejection CriteriaThawed specimen
Avail. StatNO
Analytic TimeUp to 30 days
MethodologyRadioimmunoassay (RIA)
Reference Lab Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of November 21, 2024.
ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
C4aALL0-28300-2830ng/mL