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Test Code TLR Function Toll-Like Receptor Function Assay

Important Note

Collect control specimen from healthy unrelated individual. 

Clinical System Name

Toll-Like Receptor Function Assay


TLR Function

Sample Requirements

Specimen: Whole Blood

Container(s): Dark Green/Sodium Heparin or Yellow ACD A

Preferred Vol: 10 mL

Minimum Vol: 7 mL (Infant: 3 mL minimum)


Note: Collect control specimen from healthy unrelated individual. Patient and control samples must be collected within 48 hours of test performance. Do NOT collect on a Friday after 1300.

Processing Instructions

Reject due to: Yellow/ACD B. Refrigerated or frozen specimens. Specimens in transport longer than 48 hours.

Spin: N

Aliquot: N

Temp: RT

Storage location: CRITICAL ROOM TEMPERATURE. Do not spin. Affix large Cerner labels to tubes and place in room temp Send Outs rack.



Off-site collection: Send immediately at room temperature. Do not spin.


Specimen Type Temperature Time
Whole Blood Room temp

48 h

  Refrigerated Unacceptable




STAT Performed TAT
N Drawn Su evening - F noon; Performed T - F 9 - 10 d


Performing Laboratory

ARUP Laboratories

500 Chipeta Way
Salt Lake City, UT 84108-1221


Phone Number: (800) 522-2787


Department: Send Outs


Phone Number: (206) 987-2563

Reference Range

Interpretive report provided.



Method: Cell Culture/Quantitative Multiplex Bead Assay

Analytical Volume: 7 mL or 3 mL (Infant) AND 7 mL for Control


CPT Codes

86353 (x6)

83520 (x3)


Send Out Instructions


Reference Test Name: Toll-Like Receptor Function
Reference Test Number:



Send out Monday - Friday with the ARUP courier. Patient and control samples must be collected within 48 hours of test performance.