C1q Binding Assay

0050301
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Example Reports
Abnormal
Normal
Ordering Recommendation

Detect circulating immune complexes.

Mnemonic
C1Q
Methodology

Semi-Quantitative Enzyme-Linked Immunosorbent Assay

Performed

Mon, Thu

Reported

1-8 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Plain red or serum separator tube (SST)

Specimen Preparation

Allow complete clotting of red blood cells (up to 1 hour), then separate serum from cells within 30 minutes and freeze immediately. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.3 mL) If ordered in conjunction with a Raji Cell Assay, transfer TWO (2) 1 mL aliquots of serum to individual ARUP Standard Transport Tubes.

Storage/Transport Temperature

CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Unacceptable Conditions

Non-frozen specimens.

Remarks
Stability

After separation from cells: Ambient: 2 hours; Refrigerated: Unacceptable; Frozen: 2 weeks (avoid repeated freeze/thaw cycles)

Reference Interval

Effective February 19, 2019
Less than or equal to 3.9 µg Eq/mL

Interpretive Data

Less than or equal to 3.9 µg Eq/mL is considered negative for circulating complement binding immune complexes. Circulating immune complexes may be found without any evident pathology and positive results do not necessarily implicate the immune complex in a disease process.

No compliance statements are in use for this test.

Note
Hotline History

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
02/19/2019
X
X
X
N/A
CPT Codes

86332

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Components
Component Test Code* Component Chart Name LOINC
0050301 C1q Binding Assay 27831-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • CIC
  • Circulating complement binding immune complex
  • Immune Complex Assay
C1q Binding Assay