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HelpTest Code LAC-CSF Lactate, CSF
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, CSF, L-Lactate, CSF
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 | CSF | CSF Tubes 1-4, Sage Cup, Sterile Container | 1 mL | 0.2 mL |
Collection/Processing Instructions
Keep specimen cool and send to the lab within 20 minutes of collection.
Indicate "CSF" on request form.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| CSF | Ambient | 60 min |
| Frozen | >60 min |
Rejection Criteria
Significant icterus
Reference Range Information
| Performing Location | Reference Range |
|---|---|
| Marshfield | 0-3.0 mmol/L |
Marshfield Labs Performing Department
Marshfield Labs Chemistry
Performing Information
| Performing Location | Day(s) Test Performed | Analytical Time | Methodology/Instrumentation |
|---|---|---|---|
| Marshfield | Monday through Sunday | Less than 2 hours | Enzymatic Fixed Assay/ Beckman AU |
| Neillsville | Monday through Sunday | Less than 2 hours | Photometric Biochromatic Endpoint/Siemens Dimension |
CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 83605 |
Outreach CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 83605 |