Complement C1q, Quantitative

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Category:

Turnaround Time: 7 - 9 days
CPT Code:

86160

Test Type: 1 mL, Serum
Stability Time:

Temperature

Period

Room temperature

14 days

Refrigerated

14 days

Frozen

14 days

Freeze/thaw cycles

Stable x3

Overview:

Evaluate the classical complement pathway.

Levels are depressed in various immunodeficiency states including x-linked hypogammaglobulinemia and severe combined immunodeficiency (10% to 25% of normal levels). Genetic deficiencies of C1q have been described.

Collection Details:

Collection Instructions:

State patient's sex on the request form.

Red-top tube or gel-barrier tube.

Separate serum from cells.

Room temperature.