THYROID STIMULATING HORMONE

Mnemonic

TSH

Synonym

TSH

Specimen Collection Requirements

Collect

Serum or Plasma, one 5.0 mL gold (SST), 7.0 mL red or 3.0 mL green (sodium or lithium heparin PST) top tube

Handling

Allow serum to clot completely at room temperature (minimum: 30 minutes). Centrifuge and separate serum and plasma from cells ASAP.

Preferred Volume

1.00 mL

Minimum Volume

0.25 mL

Transport

Refrigerated (2-8°C)

Rejection Criteria

Grossly hemolyzed specimens

Stability

AFTER SEPARATION FROM CELLS: Ambient (20-25°C): 8 days; Refrigerated (2-8°C): 14 days; Frozen (at or below -20°C): 24 months

Testing Information

Performed

Sun - Fri

Method

Chemiluminescence (Third Generation)

Referral Lab

Samaritan Health Services Laboratories

Reference Values

Reference Values

0.27-4.20 MIU/mL

CPT Codes

84443

Last Updated: Thursday, January 5, 2017 03:42:31 AM