TG REFLEX
TgAb + Thyroglobulin, IMA or LCMS
EPIC Test Procedure Code: LAB4707
Synonyms:
Thyroglobulin by LC-MS/MS
TG PANEL
TG PNL
Performing Lab:
Referral Laboratory
Container Type:
Plain red top tube
Specimen Type:
Serum
Preferred Volume:
2.0 mL
Minimum Volume:
1.25 mL
Specimen Processing:
Centrifuge and aliquot within 2 hours of collection.
Store and Transport:
Refrigerated
Stability:
Refrigerated - 7 days
Frozen - 30 days
Unacceptable Condition:
Serum gel tube, plasma, whole blood, gross hemolysis.
CPT Codes:
86800 - Thyroglobulin Panel Reflex to MS or IA (EAP 30230438)
Reflex to Either:
84432 - Thyroglobulin, Tumor Marker, IA (EAP 30130439)
OR
84432 - Thyroglobulin, Mass Spec (EAP 30130441)
Test Includes:
All specimens are initially assayed for TgAb. Samples with TgAb <1.8 IU/mL are assayed for Thyroglobulin by Immunoassay, specimens with TgAb > or = 1.8 IU/mL are assayed by mass spectrometry.