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HelpTest Code LACS1 Lactate, Plasma
Reporting Name
Lactate, PUseful For
Diagnosing and monitoring patients with lactic acidosis
Method Name
Colorimetric
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Plasma NaFl-KOxOrdering 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.
Reject Due To
| Gross hemolysis | Reject |
Specimen Minimum Volume
0.25 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma NaFl-KOx | Refrigerated (preferred) | 14 days |
| Ambient | 8 hours |
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
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.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 |