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HelpTest Code C4 C4 (Fourth Component of Complement), Serum or Plasma
Methodology
Turbidimetric
Specimen Requirements
Container/Tube:
Preferred: Lithium heparin (light green-top)
Acceptable: Serum Gel
Draw blood, spin down and send 1 mL (pediatric: 0.2 mL) of plasma or serum.
Reject Due To
|
Hemolysis |
Mild: |
ok |
Gross: |
ok |
|
Lipemia |
Mild: |
ok |
Gross: |
ok |
|
Icterus |
Mild: |
ok |
Gross: |
ok |
Reference Values
10-40 mg/dL
Day(s) Test Set Up
Monday through Sunday
CPT Coding
86160
Performing Laboratory
Huntsville Hospital Laboratory
Secondary ID
HHA1258
LOINC Coding
| Test Name | LOINC Code |
|---|---|
|
C4 (Fourth Component of Complement), Serum or Plasma |
4498-2 |
Specimen Stability Information
|
Specimen Type |
Temperature |
Time |
| Plasma,lithium heparin / Serum | RT, spun |
2 days |
| Refrigerated, spun |
8 days |