Lactate




Test Mnemonic

LACT

CPT Codes

  • 83605 - QTY (1)

LOINC ®

32693-4

Aliases

  • Lactic Acid

Performing Laboratory

n/a


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mLPlasmaPotassium oxalate/sodium fluoride (Gray)RefrigeratedCentrifuge, aliquot and refrigerate.Avoid hemostasis (e.g. tourniquet use). Place specimen immediately on ice. Separate from cells within 60 minutes of collection and aliquot into CCL aliquot tube.

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
0.4 mL     

Stability

Environmental Condition Description
AmbientAfter separation from cells: 8 hours
RefrigeratedAfter separation from cells: 14 days
FrozenUnacceptable

Days Performed

7 days a week

Turnaround Time

8 hours

Methodology

Name Description
Colorimetric Enzyme Assay 

Reference Range

Lactate
Sex Age From Age To Type Range Range Unit
   Days90 DaysNormal1.0 - 3.5mmol/L
 3 Months24 MonthsNormal1.0 - 3.3mmol/L
 2 Years17 YearsNormal1.0 - 2.4mmol/L
 18 Years99 YearsNormal0.5 - 2.2mmol/L
   Years99 YearsUrgent>10.0 for Main Campus Inpatients and Main Campus Blood Gasmmol/L
   Years99 YearsUrgent>4.0 for all locations except main campus inpatients and blood gasmmol/L

Special Info

Internal order only. SEPSIS PROTOCOL- order Sepsis Lactate test. PEDIATRIC METABOLIC STUDIES-order Lactate, Precipitated (LACPRE, 81323).

Clinical Info

Avoid hemostasis (e.g. tourniquet use). Specimen on ice immediately. Separate from cells within 60 minutes of collection. Evaluation of lactic acidosis