Lactic Acid, Body Fluid (Inactive as of 07/21/25)
Also known as: LA-FL
Use
Measurement of lactic acid concentration in body fluid specimens such as peritoneal or synovial fluid can aid in assessment of metabolic conditions, ischemia, infection, or other pathologies involving anaerobic metabolism. Interpretation must be in context of the origin of the fluid and the patient’s overall clinical status.
Special Instructions
Test is marked inactive as of July 21, 2025. Clients must specify the fluid source. Specimen must be centrifuged to remove cells and cannot be shared with other tests.
Limitations
Only peritoneal or synovial fluid accepted; hemolyzed specimens or other fluids are rejected. Inactivity status means test no longer available after July 21, 2025.
Methodology
Not provided.
Biomarkers
Not provided.
Result Turnaround Time
Not provided.
Related Documents
For more information, please review the documents below
Specimen
Body Fluid
Volume
1 mL body fluid aliquot
Minimum Volume
0.2 mL body fluid aliquot
Container
Transport Tube
Collection Instructions
Centrifuge fluid to remove cellular material; cannot share with other tests; source must be provided.
Causes for Rejection
Specimen types other than peritoneal or synovial fluid; hemolyzed specimen.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Ambient: unacceptable |
| Refrigerated | Refrigerated: 14 days |
| Frozen | Frozen: 1 month |
Other tests from different labs that may be relevant