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General Information:

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Mayo Clinic Laboratories

Test Code LAB0202051 Carbon Dioxide (CO2), Plasma or Serum

Methodology

Phosphoenolpyruvate (PEP) Carboxylase

Performing Laboratory

CentraCare Laboratory Services

Specimen Requirements

Specimen Type: Plasma

Container/Tube:

Preferred: Green top (Lithium heparin/PST)

Acceptable: Serum(Red top,Gold /SST), or Na Heparin plasma (label specimen appropriately)

Specimen Volume: 0.5 mL

Minimum Volume: 0.2 ml

Specimen Transport Temperature

Refrigerated

Reference Values

0-7 days: 17.0-26.0 mmol/L

7-30 days: 17.0-27.0 mmol/L

1-6 months: 17.0-29.0 mmol/L

6-12 months: 18.0-29.0 mmol/L

>1 year: 22.0-29.0 mmol/L

Critical values (automatic call-back): ≤14 mmol/L or ≥40 mmol/L

KDU Adults: <8.0 or >40 mmol/L

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

82374