Factor B Function
Test Code
FBF
Description
Collect
Serum from a plain red top is the only acceptable sample type.
Gel barrier tubes are not acceptable.
Pediatric Collection
Minimum volume: 250 µL serum, frozen
Unacceptable Conditions
Thawed specimen.
Storage Transport Temp
Send frozen serum Priority Overnight via FedEx and in a well insulated container on dry ice.
Stability
Frozen at -70°C: 1 year
Performed
Monday - Friday
Methodology
Hemolytic Assay
Turnaround Time
up to 4 weeks
Department
Complement Lab
Synonyms
Complement (Factor B Function);Functional Properdin Factor B;Hemolytic assay (Factor B function);PFBF
Study Offerings
CAP/CLIA
Reference Interval
Human Male: 123-426 Units/mL
Human Female: 123-426 Units/mL
CPT Code
86161
New York Approved
No: Run with Waiver
FDA
LDT