Complement Component C3c and C4c

Test Code

5704

CPT Code(s)

86160 (x2)

Test Code

5704

CPT Code(s)

86160 (x2)

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Clinical Significance

Complement Component C3c and C4c - Decreased concentrations of both C3 and C4 suggest activation of the classical pathway, whereas decreased concentration of just C3 suggests activation of the alternative pathway. Both complement factors may be used to monitor activity of patients with systemic lupus erythematosus (SLE) and immune complex-induced vasculitis.

Test Resources

None found for this test
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Test Details

Methodology

Immunoturbidimetric

Reference Range(s)

See individual tests

Alternative Name(s)

C3 & C4 Complements,C4 & C3 Complements

LOINC® Codes, Performing Laboratory

Service Area must be determined

Methodology

Immunoturbidimetric

Reference Range(s)

See individual tests

Alternative Name(s)

C3 & C4 Complements,C4 & C3 Complements

LOINC® Codes, Performing Laboratory

Service Area must be determined

Preferred Specimen(s)

1 mL serum

Minimum Volume

0.5 mL

Transport Container

Transport tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: Unacceptable
Refrigerated: 8 days
Frozen: 8 days

Setup Schedule, Reject Criteria

Service Area must be determined

Preferred Specimen(s)

1 mL serum

Minimum Volume

0.5 mL

Transport Container

Transport tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: Unacceptable
Refrigerated: 8 days
Frozen: 8 days

Setup Schedule, Reject Criteria

Service Area must be determined

Please provide SERVICE AREA INFORMATION to confirm Test Code for the lab that services your account.

In-home collection is not available in your area through Quest Mobile.

Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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