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Complement Component C1q, Serum/Plasma

Test ID: C1QCOMP SP

Test

Method

Radial Immunodiffusion (RID)

Method Description

This assay quantitates C1q protein. For Immune Complexes by C1q Binding refer to Immune Complexes, Serum/Plasma

Report Includes

Complement Component C1q

Specimens

Serum/Plasma

Test Location

Quest Diagnostics, California USA

Test Version

21-Mar-2023

Specimen

Specimens

Serum/Plasma

Collection Containers

Preferred

Gold top (clot activator & gel)

Acceptable

Lavender top (EDTA)

Sample Volume

1 mL

Minimum Volume

0.1 mL

Collection & Handling

Collection Instructions

Separate serum within one hour of draw time and refrigerate.

Handling Information

Store and send cold or frozen.

Stability

Ambient 4 days
Refrigerated 10 days
Frozen 29 days

Rejection Criteria

Hemolysis Gross
Lipemia Gross
Specimen Room Temp.

Test Version

21-Mar-2023

Performance / Interpretation

Method

Radial Immunodiffusion (RID)

Method Description

This assay quantitates C1q protein. For Immune Complexes by C1q Binding refer to Immune Complexes, Serum/Plasma

Turnaround Time

13 days

Results

Name Units Reference Range Conversion Factor
Complement Component C1q mg/dL
  • 5.0 - 8.6
Low levels of C1q indicate either increased consumption (catabolism) or decreased synthesis.

Test Location

Quest Diagnostics, California USA

Test Version

21-Mar-2023

Interface / Setup

HL7 Interface Codes

Order Code Result Codes Units
C1QCOMP SP 63545COMPLEMENT COMPONENT C1Q mg/dL

Test Version

21-Mar-2023