C4-B1E FRACTION OF COMPLEMENT

Synonyms: C4; Complement C4
Computer Code: C4
Specimen Collection: 3 mL whole blood (gold top preferred, red top acceptable).
Minimum Volume: 2 mL
Handling Instructions for Offsite Areas: Allow to clot, centrifuge for 20 minutes, refrigerate. Serum must be removed from red top tube.
Reference Values: 19-52 MG/DL
Lab Code: CC
Requisition: C/H
Test Frequency: Daily
Routine TAT: 2 hrs
Stat TAT: 60 min
CPT Code(s): 86160
LCD or NCD:
Methodology Used:
See Addendum XVII