91227 Vitamin B1, Whole Blood

Specimen:

Collect:

One 4 mL Lavender (EDTA)

Also Acceptable
One 4 mL Green Top (Li Heparin)
One 4 mL Green Top (Na Heparin)

Submit:

4 mL (Min:1 mL) Whole blood. Submit Frozen. Submit in a Standard Transport Tube.

Special Handling:

Collect in plastic container only.
Critical Frozen
Protect from Light

Stability:

Ambient: Unacceptable; Refrigerated: 4 Hour(s); Frozen: 6 Month(s); Incubated: Unacceptable

Methodology:

High performance liquid chromatography (HPLC)

Performed:

Sun-Sat

Reported:

3-7 Day(s)

CPT Codes:

84425 - Thaimine (Vitamin B-1)

Interpretive Data:

General Reference Range : 70-180 nmol/L
Whole blood is the preferred specimen for thiamine assessment. Approximately 80% of thiamine present in whole blood is found in the red blood cells.