Lab Test Details
|
SIM |
LAB671 |
|
CPT |
82180 |
|
Synonyms |
Ascorbic Acid; C, Vitamin |
|
Specimen Type |
Plasma, frozen and protected from light |
|
Container |
Green-top (lithium heparin) tube; amber plastic transport tube with amber-top. |
|
Collection Instructions |
Collect blood by venipuncture into a green-top containing lithium heparin and mix immediately by gentle inversion at least six times to ensure adequate mixing. |
|
Volume |
Volume: 1 mL |
|
Additional Information |
Evaluation of vitamin C deficiency |
|
Patient Preparation |
Overnight fasting is preferred. Refrain from taking vitamin C supplements or fruits 24 hours prior to sample collection. |
|
Specimen Processing Instructions |
Plasma must be separated from cells immediately after venipuncture and transferred to light-protected amber plastic tube. |
|
Transport Requirements |
Freeze |
|
Specimen Stability |
Frozen: 14 days |
|
Rejection Criteria |
Anticoagulants other than lithium heparin; specimen not protected from light |
|
Reference Range |
Reference range accompanies report |
|
Critical Value |
|
|
Test Includes |
Vitamin C |
|
Methodology |
Liquid chromatography-tandem mass spectrometry (LC/MS-MS) |
|
Testing Frequency |
|
|
LCA |
001479 |
|
Reviewed By |
Rhonda Crowe |
|
Reviewed Date |
3/1/23 |
|
Supplemental |
* Denotes Reference Lab Test |