Ordering Recommendation

Preferred test for initial screening and monitoring of thyroid function.

Mnemonic

TSH

Methodology

Quantitative Chemiluminescent Immunoassay

Performed

Sun-Sat

Reported

Within 24 hours

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Plasma separator tube (PST). Also acceptable: Serum separator tube (SST).

Specimen Preparation

Separate serum or plasma from cells ASAP or within 2 hours of collection. Allow serum specimen to clot completely at room temperature. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Grossly hemolyzed specimens.

Remarks
Stability

After separation of cells: Ambient: 8 days; Refrigerated: 2 weeks; Frozen: 2 years

Reference Interval

Effective November 19, 2012

By Report

Interpretive Data



Compliance Category

FDA

Note

Hotline History

N/A

CPT Codes

84443

Components

Component Test Code* Component Chart Name LOINC
0070145 Thyroid Stimulating Hormone 3016-3
* 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

  • Thyrotropin
  • TSH
  • TSH, Pregnancy
Thyroid Stimulating Hormone