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HelpTest Code LACS1 Lactate, Plasma
Ordering Guidance
This test does not measure D-lactate, an uncommon, often undiagnosed cause of lactic acidosis. If D-lactate testing is needed, order DLAC / D-Lactate, Plasma.
Necessary Information
Patient's age and sex are required.
Specimen Required
Collection Container/Tube: Gray top (potassium oxalate/sodium fluoride)
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions:
1. Collection must be at least 1 mL in a 2-mL collection tube or at least 2 mL in a 4-mL collection tube.
2. Centrifuge and aliquot plasma into plastic vial.
Useful For
Diagnosing and monitoring patients with lactic acidosis
Reporting Name
Lactate, PSpecimen Type
Plasma NaFl-KOxSpecimen Minimum Volume
0.25 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma NaFl-KOx | Refrigerated (preferred) | 14 days |
| Ambient | 8 hours |
Reject Due To
| Gross hemolysis | Reject |
Reference Values
0-90 days (<3 months): 0.0-3.3 mmol/L
3-24 months: 0.0-3.1 mmol/L
>24 months-18 years: 0.0-2.2 mmol/L
>18 years: 0.5-2.2 mmol/L
Day(s) Performed
Monday through Sunday
Report Available
Same day/1 to 2 daysSpecimen Retention Time
2 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
83605
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| LACS1 | Lactate, P | 2524-7 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| LACS1 | Lactate, P | 2524-7 |