CARBON DIOXIDE

Test Code

LAB55

CPT Codes
82374

Preferred Specimen

One 4.5 mL light green top tube

Minimum Volume

1 mL blood

Other Acceptable Specimens

Dark green top, red top, or gold top tube

Instructions

Collection by microtainer will falsely lower result. Sample must be centrifuged within two hours of collection. Serum/plasma must be removed from the red cells and put into aliquot tubes following centrifugation.

Transport Temperature

Refrigerated

Specimen Stability

Centrifuge within 2 hours of collection Ambient: 24 hours (keep sample capped or sealed) Refrigerated: 7 days (keep sample capped or sealed) Frozen: 2 weeks (keep sample capped or sealed)

Methodology
PEP Carboxylase

Setup Schedule

Sunday-Saturday

Reference Range

AGE	Reference Values (mmol/L)
0 days-1 year	15-25
2-7 years	20-27
8-59 years	22-30
≥ 60 years	23-31

Performing Laboratory
West Virginia University Hospital, Inc.
Bluefield Pavilion Campus
Berkeley Medical Center
Barnesville Hospital
Braxton County Memorial
Camden Clark Medical Center
Camden Clark Medical Center
Fairmont Medical Center
Garrett Regional Medical Center
Harrison Community Hospital
Jackson General Hospital
Jefferson Medical Center
Princeton Community Hospital
Potomac Valley Hospital
Reynolds Memorial Hospital
Summersville Regional Medical Center
St. Joseph’s Hospital
United Hospital Center
Uniontown Hospital
Wetzel County Hospital
Wheeling 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.