Specimen Requirements

Serum and urine are required for this test.

Serum

Container/Tube:  4.5 mL Lithium Heparin (Mint Green top PST Gel) tube

Acceptable: 5.0 mL SST (Gold top) tube or 6.0 mL Serum (Red top) tube

Specimen:  Full tube
Collection Instructions:  Draw serum specimen within 1 to 2 days of urine collection.

Note:  1. Indicate serum on request form.

2. Label tube with patient’s full name and 1 additional unique patient identifier such as date of birth, medical record number, emergency ID number, or financial number. Date and time of draw, collector’s initials, and type of specimen are also required.

Urine

Container/Tube:  24-hour urine container supplied. No preservative.
Specimen:  Entire 24-hour urine collection
Collection Instructions:  Refrigerate specimen during collection.

Note:  1. Indicate urine on request form.

2. Starting and ending times of collection are required on request form for processing.
3. Follow instructions in “Urine Collections” in “Special Instructions.”

4. Label container with patient’s full name and 1 additional unique patient identifier such as date of birth, medical record number, emergency ID number, or financial number. Date and time of collection, collector’s initials, and type of specimen are also required.