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Test Code LAB95 Lactic Acid

Department

CHEMISTRY

Collection Requirements

Due to time requirements test can only be collected at the Irving draw site for out patients. Call a STAT courier for pickup.

Place tube immediately on ice. Recommended that patient is fasting and at complete rest.

Primary Collection Container

K Oxalate and Na Fluoride – Grey Top

Transport

Plasma on ice (Inpatient)

Plasma Frozen (Outpatient)

Preferred Transport Temperature

Frozen

Processing

Specimen must be received for centrifugation within 15 minutes of draw time and immediately separated from cells.

Stability

Ambient: 15 minutes

Refrigerated: 15 minutes

After in lab processing stability, centrifuged and aliquoted

Ambient: 8 hours

Refrigerated: 14 days

Frozen: 1 month

Minimum Testing Volume

0.5 mL

Reference Range

0.5 – 2.2 mmol/L

Methodology

Roche c503 Colorimetric assay.

Performed

Sunday – Saturday

Reported

As completed

CPT Codes

83605

Unacceptable Conditions

Failure to deliver to processing center within 15 min.