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Laboratory Test Directory

D Lactate, Plasma (Updated)


Name Method Department Units
D Lactate, Plasma Enzymatic assay
Send Out mmol/L

Specimen Requirements

Plasma Spun

Container Type Container Size Specimen Volume

Gray tube (Sodium Fluoride)

2 mL 1 mL

Room temperature - 7 day(s)
Refrigerated - 7 day(s)
Frozen - 12 month(s)

Specimen Preparation

  • Centrifuge within 30 minutes, separate supernatant, and freeze

Reasons for Rejection

  • Wrong type of specimen
  • Wrong collection tube


Enzymatic D-lactate is a product of bacterial overgrowth in the GI tract . It should not be confused with L-lactate which accumulates in some metabolic acidosis.

Urine is the preferred specimen to determine D-lactate.

CPT Code

  • 83605