| Ordering Code | 462 |
|---|---|
| Test Name | Lactic Acid |
| Alias | Lactate |
| Preferred Specimen | Plasma |
| Preferred Container | Oxalate/Fluoride (Gray) |
| Other Specimen/Container | None |
| Optimum Volume | 0.5 mL |
| Collection Instructions | Draw full tube Do not leave tourniquet on for more than 30 seconds Draw and immediately place Na-Fluoride/K Oxalate (Gray) tube on wet ice. |
| Handling Instructions | Centrifuge to separate, aliquot and refrigerate within 15 minutes of collection. Aliquot tube must be tightly capped. |
| Transport Requirements | Oahu: Refrigerated Airline: Refrigerated |
| Specimen Stability | Refrigerated: 14 Days Tube must remain tightly capped |
| Rejection Criteria | Ambient, Frozen, Grossly hemolyzed, Insufficient quantity, Specimen older than stability limits, Uncentrifuged specimen not received on wet ice, Uncentrifuged or unaliquoted specimen > 2 hours old |
| Avail. Stat | YES |
| Analytic Time | 1 Day |
| Methodology | Colorimetric |
Reference range(s)
The reference ranges listed below are valid on this date of October 28, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| Lactic Acid | ALL | 0.5-2.2 | 0.5-2.2 | mEq/L |
