SC5b 9 Level (Sendout)

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General Information

Lab Name
SC5b 9 Level (Sendout)
Lab Code
RC5B9L
Epic Name
(not orderable in Epic)
External Test Id
LAB3458, CWA0200
Description

Test Information: The Soluble Terminal Complement Complex enzyme immunoassay (EIA) measures the amount of the SC5b-9 complex present in human plasma.

    Ordering Note: Non-orderable battery included in package SC5b-9 Level (Sendout) [RSC5BP].

    Synonyms
    CWA0200, Eculizumab Monitor, LAB3458, MAC, Membrane Attack Complex, SC5b-9, SC5b9, Soluble C5b-9, Soluble Terminal Complement Complex
    Components
    Code Name
    RC5B9R SC5b 9 Level

    Interpretation

    Method

    EIA

    Reference Range
    See individual components
    Ref. Range Notes
    Reference Range: ≤250 ng/mL

    Ordering & Collection

    Specimen Type
    Blood
    Collection

    6 mL blood in LAVENDER (EDTA) tube

    Quantity
    Requested: 0.5 mL EDTA plasma + 1 mL EDTA plasma for UW431
    Minimum: 0.2 mL EDTA plasma

    Processing

    Receiving Instructions

    Centrifuge sample, aliquot plasma into two separate plastic vials, and freeze within 2 hours of collection. If sample volume is insufficient, prioritize the Sendout test.

    • RC5B9L (Sendout Battery): Store in the Sendouts -20°C freezer rack.
    • UW431 (ImmStudy SC5b-9 Level): Store in the Immunology -70°C freezer rack.

    Sendouts:

    • Order SEACHL Test: LAB3458
    • Interfaced: Yes [Interface: 601; Department: SOSC]
    • Send samples on dry ice with a copy of the MayoAccess Batch Sheet via DLMP or DE courier.
    • Urgent Sample Handling: In select cases, providers may arrange with SEACHL to perform testing on an unscheduled day. If approved, the LMR will contact SPS/Sendouts asking lab staff to prioritize transport.
      • Write "STAT" next to the associated order on the outgoing MayoAccess Batch Sheet to ensure urgent processing at intake.
      • Urgent samples should be sent immediately via Delivery Express to ensure that they reach Children's before the cutoff for the designated run.

    Stability: Frozen (preferred): 6 months; Refrigerated: 24 hours; Ambient: 8 hours.

    Misc Sendout

    Performance

    Lab Department
    SCHL Interfaced Sendouts(SOSC)
    Frequency
    Performed: Monday, Thursday. Turnaround Time: 4 days. Samples in lab by 09:00 Monday or Thursday resulted same-day by 18:00.
    Available STAT?
    Yes, contact the Laboratory Medicine Resident on-call to arrange for expedited testing.
    Performing Location(s)
    Sendout Seattle Children's Hospital Laboratories
    206-987-2617

    4800 Sand Point Way NE
    Seattle, WA 98105

    Room Number: FB.2.441

    Billing & Coding

    CPT Codes
    86160
    LOINC
    93244-2