Lactic Acid
Label Mnemonic: LACTP
Epic code: LAB8607
Supply order: Supply Order Form
Billing: Billing Policies
CPT code: 83605
Specimen(s):
Plasma
Collection Medium:
Green top tube 4 mL (Na Heparin)
Minimum:
0.5 mL Na heparin plasma
Rejection Criteria:
Specimens not processed and frozen asap.
Testing Schedule:
24 hrs/day, 7 days a week, including holidays.
Turn Around Time:
10 minutes (upon receipt in laboratory)
Reference Range:
0.5 - 2.0 mmol/L (16 years and older)
0.5 - 2.2 mmol/L (less than 16 years old)

Critical Care Critical value: >5.0 mmol/L
Comments:
Reference range for adults (18+ years old) changed October 11, 2016.

References: Singer M et al. The Third International Consensus Definitions for Sepsis and Septic Shock (Sepsis-3). JAMA 2016;315 (8):801-810.
Methodology:
Enzymatic colorimetric
Instructions:
Draw sample and place on ice. Specimen should be spun and the plasma aliquoted and frozen as soon as possible after the draw.
Sample Processing:
Centrifuge at a speed and time necessary to get barrier separation of plasma/serum and cells.
Label transport tube with two patient identifiers, date and time of collection.
Separate plasma into plastic container and cap (glass is not acceptable).
Specimen must be frozen immediately.
Sample Storage:
Freeze specimen immediately.
Transport Instructions:
Place labeled specimen into zip-lock type biohazard bag; seal bag.
Place completed requisition into outside pocket of bag.
Place dry ice on top of specimen in Styrofoam container to maintain frozen temperature.
CPT Code:
83605