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Test Code C3 Neph C3 Nephritic Factor

Clinical System Name

C3 Nephritic Factor


C3 Nefs

Sample Requirements

Specimen: Whole Blood

Container(s): Red

Preferred Vol: 4 mL

Minimum Vol: 2 mL


Note: Draw blood in a plain, red-top tube. Gel separator is unacceptable.

Processing Instructions

Reject due to: SST tubes or Hemolysis

Spin: Y

Aliquot: Y

Temp: -70 C

Storage location: Allow blood to clot at room temp. Spin after roughly 30 min (or when blood is clotted). Aliquot serum into tube affixed with large computer labels. Place samples in the send outs -70 freezer rack.


Off-site collection:


STAT Performed TAT
N Collected daily 1 m


Performing Laboratory

University of Iowa



Molecular Otolaryngology & Renal Research Laboratories

The University of Iowa

285 Newton Rd., 5270 CBRB
Iowa City, IA 52242

Phone Number: 319-335-6623



Reference Range

Interpretive report provided.


Method: None

Analytical Volume: None specified


CPT Codes

86161, 86235

Send Out Instructions


Reference Test Name: C3 Nephritic Factor
Reference Test Number: C3Nef (C3CSA)
Instructions: Ship frozen on dry ice overnight via FedEx to the University of Iowa. Saturday deliveries are not acceptable.