Ordering Recommendation

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Plain red or serum separator tube (SST).

Specimen Preparation

Transfer 1 mL serum to an ARUP standard transport tube. (Min: 0.5 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.

Storage/Transport Temperature

Frozen. Also acceptable: Room temperature or refrigerated.

Unacceptable Conditions

Glass containers. Grossly hemolyzed or lipemic specimens.

Remarks
Stability

Ambient: 2 weeks; Refrigerated: 2 weeks; Frozen: 28 days

Methodology

Quantitative Radiobinding Assay

Performed

Varies

Reported

8-14 days

Reference Interval

By report

Interpretive Data



Compliance Category

Performed by non-ARUP Laboratory

Note

Hotline History

N/A

CPT Codes

83519

Components

Component Test Code* Component Chart Name LOINC
0099728 Thyroxine (T4) Antibody 38356-2
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

Thyroxine Antibody

Quest Diagnostics San Juan Capistrano Inc.