Complement Component C4c

Test Code

353

CPT Code(s)

86160

Test Code

353

CPT Code(s)

86160

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

Clinical Significance

Complement Component C4c - Decreased C4 level is associated with acute systemic lupus erythematosis, glomerulonephritis, immune complex disease, cryoglobulinemia, congenital C4 deficiency and generalized autoimmune disease.

Test Resources

Test Summary

ANAlyzeR ANA, IFA with Reflex Titer/Pattern, Systemic Autoimmune Panel 1

Test Details

Methodology

Immunoturbidimetric

Reference Range(s)

	Male	Female
<1 Year	Not established	Not established
1-14 Years	14-44 mg/dL	13-46 mg/dL
15-80 Years	15-53 mg/dL	15-57 mg/dL
≥81 Years	Not established	Not established

LOINC® Codes, Performing Laboratory

Service Area must be determined

Methodology

Immunoturbidimetric

Reference Range(s)

	Male	Female
<1 Year	Not established	Not established
1-14 Years	14-44 mg/dL	13-46 mg/dL
15-80 Years	15-53 mg/dL	15-57 mg/dL
≥81 Years	Not established	Not established

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: 21 days

Setup Schedule

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: 21 days

Setup Schedule

Service Area must be determined

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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