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Test Code LAB3966 Thyroglobulin Level with Reflex

Important Note

TG by LCMS will be added reflexively if the antibody result is positive or indeterminate and the TG by immunoassay will be credited.

Clinical System Name

Thyroglobulin Level with Reflex

Synonyms

LCMS

TG

TG Tumor Marker

TGLCMS

Thyroglobulin Recovery

Thyroglobulin Tumor Marker

Sample Requirements

Specimen: Whole Blood

Container(s): Gold SST or Green NaHep or LiHep

Preferred Vol: 8 mL

Minimum Vol: 4 mL

 

Note:

Processing Instructions

Reject due to:

Spin: Y

Aliquot: Y

Temp: -20 C

Storage Location: CPA -20 freezer, Send Outs rack.

 

Off-site collection: Spin and aliquot. Freeze sample at -20 C and transport frozen to Seattle Children's Main Lab.

Stability

Specimen Type Temperature Time
  Room temp 8 h
  Refrigerated 7 d
  Frozen 6 m

 

Availability

STAT Performed TAT
N Daily 1 - 2 d, 4 - 7 d when reflexed

 

Performing Laboratory

ARUP Laboratories

500 Chipeta Way
Salt Lake City, UT 84108-1221

 

Phone Number: (800) 522-2787

Department

Department: Send Outs

Phone Number: (206) 987-2563

Methodology

Method: Quantitative Chemiluminescent Immunoassay (CLIA) / High Performance Liquid Chromatography-Tandem Mass Spectrometry

Analytical Volume: 2.0 mL Serum (1.5 mL Serum okay for difficult draws)

Limitations:

CPT Codes

84432

Send Out Instructions

Reference Test Name Thyroglobulin, Serum or Plasma with Reflex to LC-MS/MS or CIA
Reference Test Code

2006685

Instructions Send out Monday through Friday with the ARUP Courier.