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Lab Test Dictionary

aHUS Complement Profile (1500)


Atypical Hemolytic Uremic Syndrom (aHUS)

Specimen Type

Serum and Whole Blood

Performing Lab

Versiti Wisconsin Hemostasis

Epic ID

Other Reference Test

Lab Test Days


Standard TAT

7-10 Days

Collection Information

Specimen Required

1-3 mL Whole Blood collected in an EDTA (lavender-top) tube ***and*** 4 mL Blood collected in a (red-top) tube

Container Type

See Below

Collection Instructions

Collect Monday-Thursday 0900-1300 only, no weekends or holidays.

Processing Information - Lab Use Only

Specimen Stability

Room Temp: 24 Hours (Unacceptable for Serum); Refrigerated: Unacceptable; Frozen: Unacceptable (6 Months for Serum)

Rejection Criteria

Whole blood received > 24 hours old

Test Volume Required

3 mL Whole Blood ***and*** 2 mL Serum

Minimum Test Volume

1 mL Whole Blood ***and*** 2 mL Serum

Processing Instructions

Separate and freeze serum within 2 hours of collection. Avoid freeze/thaw cycles. Complete a Verisit Wisconsin Hemostasis requisition and submit with whole blood room temp ***and** serum frozen Monday-Thursday only, no weekends or holidays.

Included Tests

CD46 (MCP) Expression, C3, C4, Factor B, Factor H Autoantibody and Factor I.


Insurance authorization is required prior to draw for outpatients. Ok to send on inpatients.

CPT Codes

86160 (x5), 83516, 88184, 88185