Lactic Acid, Venous, Whole Blood or Plasma

Test Code

Alias/See Also

CPT Codes

Preferred Specimen
1 mL Plasma from Grey top NaF/KOx (tube must be completely filled)

  • Draw specimen and send to lab as soon as possible. 
  • Specimen does not have to be sent on ice.
  • Draw specimen and immediately place on ice, if inpatient or emergency room patient send on ice.
  • Must be received in lab within 30 minutes.
  • If testing cannot be performed within 30 minutes, draw in Grey top NaF/KOx, separate and freeze plasma.

Specimen Stability
Specimen Type Temperature Time
Plasma, NaF/KOx On Ice 30 minutes
Plasma, NaF/KOx
(NCMC, MMC, & BFCMC only)
Ambient 8 hours
Plasma, NaF/KOx - separated* Frozen 7 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
DO NOT reject specimen if received within 30 minutes if not on ice.
Reject if specimen is received >30 minutes from time drawn.
Reject if NaF/KOx specimen is not separated and frozen.

Oxidative Bichromatic Rate or Amperometric Lactate Oxidase Enzymatic

Setup Schedule
Monday through Sunday; Continuously

Report Available
Same day

Reference Range
0.5-2.2 mmol/L

Courtesy Notification Limits (automatic call-back for first positive only, no notification needed for subsequent values): >4.0 mmol/L

Performing Laboratory
Banner Fort Collins Medical Center Laboratory
McKee Medical Center Laboratory
North Colorado Medical Center Laboratory
Summit View Laboratory
Sterling Regional Medical Center
East Morgan County Hospital

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.