Test Overview
Test Usage

Serologies for TTP, aHUS, HUS. Test is a panel of: CH50eq, APFA, Hemolytic assay, FHAA, C3, C4, FB, Ba, Bb, C5, sol. C5b-9, FD FI and FH levels, properdin, Factor B Autoantibody (FBAA) and a fluid-phase activity assay

Reference Range *

Interpretive report provided

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Monday - Friday
Analytic Time

4 weeks

Soft Order Code
  • TMA Functional Panel
Reference Laboratory
University of Iowa, Molecular Otolaryngology & Renal Research Laboratories (aHUS-FP)
Special Testing
Specimen Requirements

Collect BOTH a red top tube AND an EDTA lav top tube. Spin and aliquot into a screw capped plastic tubes. Be sure to label aliquots as SERUM or PLASMA. (testing will be canceled if this is not done) If offsite, freeze samples and send to Specimen Processing.

Normal Volume
3 mL serum AND 3 mL EDTA plasma
Minimum Volume
2 mL serum AND 2 mL EDTA plasma
Storage Temperature
Rejection Criteria
Tubes not labeled as serum and plasma individually
Additional Information

Test performed by University of Iowa, Molecular Otolaryngology & Renal Research Laboratories

CPT Code
86161 x2, 83516 x2, 86160 x11, 83520, 86162, 86334
Fee Code
AA916, AA917 x6, AA918 x2, AA919, AA920