Vitamin B3 (Niacin)
Abbrev Code: | VITB3 | ||
Order Code: | LAB4289 | Order Name: | Vitamin B3 |
Synonyms: | Nicotinic Acid; Niacinamide Niacin; Niacor; Niaspan | ||
Methodology: | High performance liquid chromatography | ||
CPT Codes: | 84591 x1 | ||
Turnaround Time: | Specimens are sent to reference laboratory Mon-Sat; results are reported within 5-11 days. |
Collection Instructions
Specimen: | Blood |
Optimal Volume: | 8 mL |
Minimum\Peds Volume: | 2.2 mL |
Container: | Purple (EDTA) protect from light |
Collection Instructions: | Protect from light. |
Causes for Rejection: | Grossly hemolyzed, lipemic or samples not protected from light, ambient or refrigerated sample. |
Processing and Shipping
Specimen Processing: | Centrifuge and freeze ASAP. Aliquot 4 mL, 1 mL minimum. Protect from light. Store in freezer.
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered. |
Shipping Instructions: | Ship on dry ice. Protect from light. |
Stability: | 8 days refrigerated; 2 months frozen. |
Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
Referral Lab number: | 92168 |
Interpretive
Reference Range: | By report. |
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