Lab Test Dictionary

SC5b-9 Level

Synonyms

MAC (SC5b-9); Eculizumab Monitor (SC5B-9); Membrane Attack Complex (SC5b-9); Soluble Terminal Complement Complex (SC5b-9)

Specimen Type

Plasma

Performing Lab

Cincinnati Children's TMA

Epic ID

Other Reference Test

Lab Test Days

2 x per Week

Standard TAT

1 Week

Collection Information

Specimen Required

1-3 mL Blood

Container Type

Lavender (EDTA)

Processing Information - Lab Use Only

Transport Temperature

Frozen-Only

Specimen Stability

Room Temp: 2 Hours; Refrigerated: Unacceptable; Frozen: 6 Months

Rejection Criteria

Incorrect anticoagulant; Hemolyzed; Clotted; Older than 2 hours unspun

Test Volume Required

1 mL Plasma

Minimum Test Volume

0.5 mL Plasma

Processing Instructions

Separate plasma within 2 hours of collection and freeze immediately. Complete a Cincinnati Children's TMA requisition and submit with specimen frozen Monday-Thursday only, no weekends or holidays.