TestORDER CODE 0921Vitamins and nutrition
Vitamin B1 (Thiamine).
Also known as Thiamine
FIRST, THE PRACTICAL DETAILS
At a glance.
- Specimen
- Plasma
- Container
- Green (sodium or lithium heparin) – 0.5 ml plasma.
- Required volume
- Green (sodium or lithium heparin) – 0.5 ml plasma.
- Routine turnaround
- 4-5 days
Before collection
None required
Timing, specimen options and instructions reflect the source snapshot.
FROM COLLECTION TO THE LAB
Specimen & handling
- Specimen
- Plasma
- Container
- Green (sodium or lithium heparin) – 0.5 ml plasma.
- Required volume
- Green (sodium or lithium heparin) – 0.5 ml plasma.
- Preparation
- None required
- Collection instructions
- Green (sodium or lithium heparin) – 0.5 ml plasma.
- Storage
- Frozen. Separate specimens must be submitted when multiple tests are ordered.
- Stability
- After separation from cells: Ambient/Refrigerated: Unacceptable; Frozen at -20°C: 7 days.
- Rejection criteria
- Not frozen heparinized plasma, not protected from light, whole blood, EDTA preserved tubes, serum, any other body fluid.
Technical information & codes+
- Methodology
- High Performance Liquid Chromatography (HPLC)
- CPT code
- 84425
Codes are shown for identification from the source snapshot. Confirm current coding and billing information with the laboratory.
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