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Test Code TSHS Thyroid-Stimulating Hormone (TSH), Plasma or Serum

Methodology

Chemiluminescence Immunoassay

Performing Laboratory

Munson Medical Center Laboratories

Specimen Requirements

Submit only 1 of the following specimens:

 

Plasma

Container/Tube: Green-top (heparin) gel tube

Specimen Volume: 0.5 mL of heparinized plasma
Transport Temperature: Refrigerate
Collection Instructions: Separate plasma from cells within 24 hours. If specimen will not be analyzed within 24 hours, send plasma frozen in plastic vial. Forward promptly.

Note: 1. Medicare frequency limitations exist for this test in addition to diagnosis requirements. Click on link for list of medically necessary diagnoses: http://www.munsonhealthcare.org/medical-necessity.  See Advance Beneficiary Notice of Noncoverage (ABN) form in Special Instructions.

2. Indicate plasma.

3. Label specimen appropriately (plasma).


Serum
Container/Tube: Gold-top serum gel tube

Specimen Volume: 0.5 mL of serum
Transport Temperature: Refrigerate
Collection Instructions: Separate plasma from cells within 24 hours. If specimen will not be analyzed within 24 hours, send plasma frozen in plastic vial. Forward promptly.

Note: 1. Medicare frequency limitations exist for this test in addition to diagnosis requirements.  Click on link for list of medically necessary diagnoses: http://www.munsonhealthcare.org/medical-necessity. See Advance Beneficiary Notice of Noncoverage (ABN) form in Special Instructions.

2. Indicate serum.

3. Label specimen appropriately (serum).

Reference Values

30 days through Adult:  0.30 - 5.00 µIU/mL

Less than 30 days: No reference range established by this laboratory; suggest analysis at Mayo Clinic Laboratories if result with validated reference range is needed.

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

84443