Sign in →

Test Code TTG IgG Tissue Transglutaminase Antibody IgG

Important Note

This test is not orderable in CIS.  The recommended alternative for IgA deficiency is DGP IgG.

Clinical System Name

Tissue Transglutaminase Antibody IgG

Synonyms

TTG

TTG IgG

Sample Requirements

Specimen: Whole blood

Container(s): Gold SST Microtainer, Red

Preferred Vol: 1 mL

Minimum Vol: 0.5 mL

 

Note:

 

Processing Instructions

Reject due to: Visible hemolysis

Spin: Y

Aliquot: Y

Temp: 2-8 C

Storage location: Transfer serum to plastic aliquot container affixed with larger Cerner label. Refrigerate in CPA FrigF rack.

 

Off-site collection: Spin blood, transfer serum to plastic aliquot container. Refrigerate specimen.

Stability

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

 

Availability

STAT Performed TAT
N M-F 1-3 d

 

Performing Laboratory

Seattle Children's Laboratory    

 

Department

Department:  Chemistry

Location: Chem East

Phone Number: (206) 987-3694

 

 

 

Reference Range

 

  Units/mL
Negative < 15
Positive > 15

 

Methodology

Method: Immunoassay on Bioplex 2200

Analytical Volume: 100 mcL serum

Limitations:  Visible hemolysis causes a false decrease in measured tTG.

CPT Codes

83516