Lactate , CSF
Test Mnemonic
CLACT
CPT Codes
- 83605 - QTY (1)
LOINC ®
2520-5
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL | Cerebrospinal fluid (CSF) | Sterile container | Frozen |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.4 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 3 hours |
| Refrigerated | 24 hours |
| Frozen | 2 months |
Days Performed
7 days a week
Turnaround Time
8 hours
Methodology
| Name | Description |
|---|---|
| Colorimetric Enzyme Assay |
Reference Range
| Lactate , CSF | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Days | 2 Days | Normal | 1.1 - 6.7 | mmol/L | 3 Days | 10 Days | Normal | 1.1 - 4.4 | mmol/L | 11 Days | 364 Days | Normal | 1.1 - 2.8 | mmol/L | 1 Years | 17 Years | Normal | 1.1 - 2.8 | mmol/L | 18 Years | 99 Years | Normal | 1.1 - 2.4 | mmol/L |
Clinical Info
Diagnosis of bacterial meningitis
Clinical Limitation
Red blood cells in cerebrospinal fluid may cause significant increases in lactate concentration. Reference: Venkatesh B, Morgan TJ, Boots RJ, Hall J, Siebert D (2003) Interpreting CSF lactic acidosis: effect of erythrocytes and air exposure. Crit Care Resusc 5(3):177-181.