Citric Acid, Serum or Plasma
Also known as: CITRIC S
Use
This test measures the level of citric acid in serum or plasma, which can be used to evaluate a variety of conditions related to metabolism. Citric acid levels can provide insights into the function of the Krebs cycle, a vital metabolic pathway that produces energy in the form of ATP. It may be useful in diagnosing or monitoring metabolic disorders, assessing nutritional status, and other clinical conditions where metabolic imbalances are suspected.
Special Instructions
The test is not performed at ARUP Laboratories; hence, separate specimens must be submitted when multiple tests are ordered. The processing requires transferring serum or plasma to an ARUP standard transport tube and maintaining the specimen refrigerated or frozen during transport.
Limitations
The test's performance characteristics were determined by Quest Diagnostics, but it has not been cleared or approved by the FDA. As such, the test should be performed in context with clinical evaluations, and its results should be interpreted by a qualified healthcare professional. Potential limitations include variations in results due to improper specimen handling or storage.
New York Approved
Methodology
Automated Analyzer (Clinical Chemistry)
Biomarkers
LOINC Codes
- 2127-9
Result Turnaround Time
8-14 days
Related Documents
For more information, please review the documents below
Specimen
Plasma
Volume
2 mL
Minimum Volume
1 mL
Container
ARUP standard transport tube
Collection Instructions
Collect in a plain red or serum separator tube (SST). Alternatively, green (sodium heparin), lavender (EDTA), or plasma preparation tube (PPT) can be used.
Storage Instructions
Refrigerated. Also acceptable: Frozen.
Causes for Rejection
Room temperature specimens
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 8 hours |
| Refrigerated | 17 days |
| Frozen | 17 days |