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Lab Test Dictionary

Ustekinumab and Anti-Ustekinumab Antibody, DoesAssure UST (38319)

Methodology

Electrochemiluminescence immunoassay (ECLIA)


Synonyms

LAC-Stelara

Specimen Type

Serum

Performing Lab

Quest forwards to Esoterix


Epic ID

LAB07971

Lab Test Days

Wednesday

Standard TAT

8-11 Days


Collection Information

Specimen Required

2-6 mL Blood

Container Type

Red Top (No Additive)

Collection Instructions

Collect immediately before the next does of drug administration (trough level).


Processing Information - Lab Use Only

Transport Temperature

Room Temp-OK/Refrigerated-OK/Frozen-OK

Specimen Stability

Room Temp: 14 Days; Refrigerated: 14 Days; Frozen: 14 Days

Rejection Criteria

Hemolysis; Lipemia

Test Volume Required

1 mL Serum

Minimum Test Volume

3 mL Serum

Processing Instructions

Separate serum within 2 hours of collection.


CPT Codes

80299, 83520


Revised

11/10/23

Initials

SA