USC Clinical Reference Laboratory

COMPLEMENT COMPONENT 3 (C3)

METHODOLOGY

Immunologic Turbidimetry

PERFORMED

Mon. - Fri.

REPORTED

Same day

COLLECT

One 6 mL SST

TRANSPORT

1 mL serum (Min: 0.3 mL)

STABILITY

Ambient - 6 hours
Refrigerated - 24 hours
Frozen - Stable

UNACCEPTABLE CONDITIONS

N/A

REMARKS

Plasma samples not recommended

REFERENCE RANGE

0 up to 1 mo:
59 - 121 mg/dL

1 mo:
55 - 129 mg/dL

2 mos:
61 - 155 mg/dL

3 mos:
67 - 136 mg/dL

4 mos:
65 - 182 mg/dL

5 mos:
67 - 174 mg/dL

6 mos:
77 - 179 mg/dL

7-8 mos:
78 - 173 mg/dL

9-11 mos:
76 - 187 mg/dL

1 yr:
87 - 181 mg/dL

2 yrs:
84 - 177 mg/dL

3-4 yrs:
80 - 178 mg/dL

5-11 yrs:
89 -203 mg/dL

12 yrs & over:
85 - 180 mg/dL

INTERPRETIVE DATA

N/A

CPT CODE(S)

86160

BILLING INFORMATION

ICD-9 (Dx) CODE INFORMATION

DATE UPDATED

10/30/07 mkh

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