Tissue Transglutaminase (tTg) Antibodies w/Reflex Cascade

CPT CODES: 83516 (tTG: IgA, IgG and Deamidated Gliadin: IgA, IgG) & 86003 (Wheat IgE)

Note: See below for full panel codes.

ORDERING rECOMMENDATION

Use to detect Tissue Transglutaminase (tTG) Antibodies and if negative, testing will reflex to tests for Deamidated Gliadin IgA and Deamidated Gliadin IgG. If both Deamidated Gliadin IgA and Deamidated Gliadin IgG are negative, testing will reflex to testing for IgE, Wheat.

specimen required

Specimen Type:

1.0 mL separated serum/plasma

Collection Tube:

Plasma Transport Tube, Request Samples

Minimum Volume:

1.0mL

Specimen Stability/Storage:

Room Temperature (15-25°C): 7 days; Refrigerated (2-8°C): 7 days or Frozen (≤ -20°C): 7 days

Unacceptable Conditions:

Shipping Requirements:

Call 866-983-0667 to schedule courier pickup

Stability:

Ambient: 8 hours; Refrigerated: 48 hours; Frozen: 30 days

devlab test code
metholodogy
Test NameTest CodeCPT Code
Tissue Transglutamine (tTG) IgAR1001086516
Tissue Transglutamine (tTG) IgGR1001186516
Deamidated Gliadin IgAR1001286516
Deamidated Gliadin IgGR1001386516
Wheat IgEA1014486003

Option: Tissue Transglutaminase (tTg) Antibodies Celiac Disease Test

EliA for determination of dsDNA antibodies

performed

24-36 hours from receipt (Monday – Friday)

reported

Weekly (Monday – Friday)

ALTERNATIVE NAMES

ENA Screen and Anti-dsDNA, Celiac Disease with Reflex

SUBMIT WITH ORDER

Test Requisition

Results Interpretation

Positive:

Result > 1:80

Equivocal:

Results = 1:80

Negative:

Result < 1:80