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HelpTest Code DLAC D-Lactate, Plasma
Ordering Guidance
Urine is the preferred specimen for D-lactate determination, order DLAU / D-Lactate, Urine.
For determination of L-lactate (lactic acid), order LACS1 / Lactate, Plasma
Specimen Required
Supplies: Sodium Fluoride/Potassium Oxalate Tube, 2 mL (T275)
Collection Container/Tube:
Preferred: Sodium fluoride/potassium oxalate tube
Acceptable: Green top (sodium heparin)
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge, aliquot plasma into a plastic vial, and freeze immediately.
NOTE: If collecting in sodium heparin tubes, centrifugation must occur within one hour of collection.
CMH COLLECTION: 1.5 mL in gray vacutainer
Specimen Minimum Volume
0.15 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Plasma NaFl-KOx | Frozen (preferred) | 91 days | |
| Ambient | 91 days | ||
| Refrigerated | 91 days |
Useful For
As an adjunct to urine D-lactate (preferred) for the diagnosis of D-lactate acidosis
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Day(s) Performed
Monday, Thursday
Report Available
3 to 6 daysReporting Name
D-Lactate, PReference Values
0.0-0.25 mmol/L
Method Name
Gas Chromatography Mass Spectrometry (GCMS) Stable Isotope Dilution Analysis
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
83605