LACTIC ACID

Message

Place sample on ice and separate plasma from cells within 15 minutes of collection. DO NOT FREEZE plasma.

Use plasma from blood collected into sodium fluoride-potassium oxalate tubes. Glycolysis resulting from physical exercise gives rise to an increased lactate concentration in the bloodstream. Therefore, the patient should be at rest before taking the sample. In particular, movement of the hand or arm should be avoided. Keep the sample on ice and separate plasma from cells within 15 minutes of collection. Analyze the sample immediately. Avoid hemolysis. Note whether the sample is venous or arterial.

Test Code

LACTA

CPT Codes
83605

Preferred Specimen

1 Gray tube (Sodium Fluoride)

Minimum Volume

1 mL

Other Acceptable Specimens

None

Instructions

Centrifuge for complete separation of plasma and red cells ASAP. Aliquot (transfer) plasma into a transfer tube.

Transport Temperature

Refrigerate

Specimen Stability

2-8°C up to 14 days
15-30°C up to 8 hours

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Quantity not sufficient; wrong sample type

Methodology

Lactate to pyruvate

Setup Schedule

M, T, W, Th, F, Sa, Sun

Report Available

Within 24 hours of receipt at the performing laboratory.

Reference Range

0.5 - 2.0 mmol/L

Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab
NCHB1 (Chemistry, Beckman AU)

Last Updated: June 9, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.