Lactate
Test Mnemonic
LACT
CPT Codes
- 83605 - QTY (1)
LOINC ®
32693-4
Aliases
- Lactic Acid
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Plasma | Potassium oxalate/sodium fluoride (Gray) | Refrigerated | Centrifuge, aliquot and refrigerate. | Avoid hemostasis (e.g. tourniquet use). Place specimen immediately on ice. Separate from cells within 60 minutes of collection and aliquot into CCL aliquot tube. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.4 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | After separation from cells: 8 hours |
| Refrigerated | After separation from cells: 14 days |
| Frozen | Unacceptable |
Days Performed
7 days a week
Turnaround Time
8 hours
Methodology
| Name | Description |
|---|---|
| Colorimetric Enzyme Assay |
Reference Range
| Lactate | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Days | 90 Days | Normal | 1.0 - 3.5 | mmol/L | 3 Months | 24 Months | Normal | 1.0 - 3.3 | mmol/L | 2 Years | 17 Years | Normal | 1.0 - 2.4 | mmol/L | 18 Years | 99 Years | Normal | 0.5 - 2.2 | mmol/L | Years | 99 Years | Urgent | >10.0 for Main Campus Inpatients and Main Campus Blood Gas | mmol/L | Years | 99 Years | Urgent | >4.0 for all locations except main campus inpatients and blood gas | mmol/L |
Special Info
Internal order only. SEPSIS PROTOCOL- order Sepsis Lactate test. PEDIATRIC METABOLIC STUDIES-order Lactate, Precipitated (LACPRE, 81323).
Clinical Info
Avoid hemostasis (e.g. tourniquet use). Specimen on ice immediately. Separate from cells within 60 minutes of collection. Evaluation of lactic acidosis