D-lactate, urine-994
Test info
D-lactate, urine
994
LAB994
MSO
Preferred test for diagnosing D-lactate acidosis, especially in patients with jejunoileal bypass and short-bowel syndrome.
Specimen
Urine, random
2.5 mL
0.5 mL
- Pour off a 2.5mL (minimum 0.5mL) aliquot into a Transfer vial/tube with cap - 12mL (LabCorp), labeled as urine
- Freeze
Urine, 24 hour
2.5 mL aliquot of a 24-hour urine collection
- Mix 24 hour collection well
- Measure and record the total volume
- Pour off a 2.5mL (minimum 0.5mL) aliquot into a Transfer vial/tube with cap - 12mL (LabCorp), labelled as urine
- Freeze
Transfer vial/tube with cap - 12mL (LabCorp)
Total volume for 24-hour collections
Frozen (preferred) - 90 days
Refrigerated - 90 days
Ambient - 90 days
1 month
Performance
Mayo Clinic Laboratories (DLAU) via LabCorp (284037): R-NX
Mo, Th
3-6 days
Gas Chromatography-Mass Spectrometry (GCMS) Stable Isotope Dilution Analysis
Clinical and Interpretive info
0.0 - 0.25 mmol/L
The test performed is for D-lactate. This is a product of bacterial overgrowth in the gastrointestinal tract. It should not be confused with L-lactate, which accumulates in some metabolic acidosis.
Billing
83605
Tracking
06/13/2022
10/05/2023
10/05/2023