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HelpTest Code LACT Lactate, Venous
Useful For
Measurements of lactic acid are useful in the diagnosis and treatment of lactic acidosis (abnormally high acidity of the blood).
Synonyms/Keywords
Lactic Acid, Venous, L-Lactate, LA
Specimen Requirements
| Fasting Required | Specimen Type | Preferred Container/Tube |
Acceptable Container/Tube | Specimen Volume | Specimen Minimum Volume (allows for 1 repeat) |
Pediatric Minimum Volume (no repeat) |
|---|---|---|---|---|---|---|
| No | Plasma | Gray Top Tube (GYTT) | 1 mL | 0.3 mL |
Collection/Processing Instructions
Marshfield and other centers: Collect Gray Top tube and transport to lab promptly after collection.
Centrifuge and remove plasma from the cells within 60 minutes.
Specimen must be drawn WITHOUT a tourniquet and WITHOUT hand clenching.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma | Ambient | 2 hours |
| Refrigerate | 48 hours | |
| Frozen | >48 hours |
Rejection Criteria
| Significant icterus |
|---|
| Heparinized plasma samples not transported cold |
Interferences
Heparinized plasma samples not transported cold should be rejected as this will falsely elevate result.
Reference Range Information
| Performing Location | Reference Range |
|---|---|
| All Performing Sites | 0.5-2.0 mmol/L |
Marshfield Labs Performing Department
Marshfield Labs Chemistry
Performing Information
| Performing Location | Day(s) Test Performed | Analytical Time | Methodology/Instrumentation |
|---|---|---|---|
| Beaver Dam | Monday through Sunday | Less than 2 hours | Enzymatic Fixed Assay/Beckman AU |
| Weston | Monday through Sunday | Less than 2 hours | Enzymatic Fixed Assay/Beckman AU |
| Eau Claire | Monday through Sunday | Less than 2 hours | Enzymatic Fixed Assay/Beckman AU |
| Park Falls | Monday through Sunday | Less than 2 hours | Enzymatic Fixed Assay/Beckman AU |
| Ladysmith | Monday through Sunday | Less than 2 hours | Enzymatic Fixed Assay/Beckman AU |
| Rice Lake | Monday through Sunday | Less than 2 hours | Enzymatic Fixed Assay/Beckman AU |
| Marshfield | Monday through Sunday | Less than 2 hours | Enzymatic Fixed Assay/Beckman AU |
| Minocqua | Monday through Sunday | Less than 2 hours | Enzymatic Fixed Assay/Beckman AU |
| Neillsville | Monday through Sunday | Less than 2 hours | Enzymatic Fixed Assay/Beckman AU |
| Stevens Point | Monday through Sunday | Less than 2 hours | Enzymatic Fixed Assay/Beckman AU |
CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 83605 | 1 |
Outreach CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 83605 | 1 |
Ordering Applications
| Ordering Application | Description |
|---|---|
| Cerner | Lactate, Venous |