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Test Code LAC Lactic Acid, Plasma

Additional Codes

Ordering Mnemonic




Performing Laboratory

Holland Hospital Laboratory Services

Specimen Requirements

Container/Tube: Grey-top (potassium oxalate/sodium fluoride) tube

Specimen Volume: 1 mL of plasma

Collection Instructions: Collect blood specimen without stasis. Chill immediately (place on wet ice), centrifuge within 15 minutes, and separate plasma. Send specimen in plastic vial.

Collection Note: Separated plasma is stable for 8 hrs at room temperature; 2 weeks refrigerated; and 1 month frozen.

Specimen Transport Temperature


Day(s) Test Set Up

Monday through Sunday

Available STAT

Test Classification and CPT Coding


Reference Values

0.5-2.0 mmol/L

Critical values (automatic call-back): ≥4.0 mmol/L