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: | Chemistry |
| 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 |