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Test 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.

Specimen Stability Information

 

Specimen Type

Temperature

Time
Plasma,lithium heparin / Serum RT, spun

2 days
  Refrigerated, spun

8 days

 

Reference Values

10-40 mg/dL

Reject Due To

 

Hemolysis

Mild:

ok

Gross:

ok

Lipemia

Mild:

ok

Gross:

ok

Icterus

Mild:

ok

Gross:

ok

 

Day(s) Test Set Up

Monday through Sunday

CPT Coding

86160

Secondary ID

HHA1258

Performing Laboratory

Huntsville Hospital Laboratory

LOINC Coding

Test Name LOINC Code

C4 (Fourth Component of Complement), Serum or Plasma

 4498-2