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Test Directory

Carbon Dioxide

Test Summary

Measurements are used in the diagnosis and treatment of numerous potentially serious disorders associated with changes in body acid-base balance

Aliases

  • Bicarb
  • Bicarbonate
  • Carbon Dioxide, Total
  • CO2
  • CO2 Content
  • HC02
  • Serum Bicarb

Specimen Collection

Special Instructions

N/A

Preferred Specimen

1 mL serum

Minimum Volume

1 mL

Instructions

Barrier tubes (serum separator tubes or plasma separator tubes) are preferred. Red top serum unacceptable for testing.

Collection notes: Avoid hemolysis. Invert tubes at least 8 times. Allow to clot in an upright position for 30 minutes. Within 2 hours, centrifuge tubes 10 minutes. Keep tightly stoppered.

Do NOT re-centrifuge tubes. Do NOT freeze the primary collection tube.

Patient Preparation

N/A

Storage

Original tube preferred, may be sent in a screw-top transfer tube.

Transport Temperature

Room Temperature or Refrigerated

Specimen Stability

  • Room Temperature = 5 days
  • Refrigerated = 7 days
  • Frozen = 6 months

Limitations

N/A

Other Acceptable Specimens

Plasma from Lithium Heparin (Light Green Top) tube

Unacceptable Specimens

Hemolysis, Lipemia, incorrect specimen type, insufficient sample volume, improper storage conditions, exceeds specimen stability guidelines, contaminated sample.

Order Code

CO2

EPIC (Premier) Code

LAB085

Includes

N/A

CPT Code

  • 82374

Billing Code

  • 300181

CPT Statement

Methodology

Spectrophotometry (SP)

FDA Status

FDA Approved

Physician Attestation of Informed Consent

N/A

Testing Laboratory

CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine OH, 45439

Department

Chemistry

Reference Range

See Report

Setup Schedule / Expected Turnaround Time

24/7; Report available: Daily

Specimen Collection

Special Instructions

N/A

Preferred Specimen

1 mL serum

Minimum Volume

1 mL

Instructions

Barrier tubes (serum separator tubes or plasma separator tubes) are preferred. Red top serum unacceptable for testing.

Collection notes: Avoid hemolysis. Invert tubes at least 8 times. Allow to clot in an upright position for 30 minutes. Within 2 hours, centrifuge tubes 10 minutes. Keep tightly stoppered.

Do NOT re-centrifuge tubes. Do NOT freeze the primary collection tube.

Patient Preparation

N/A

Storage

Original tube preferred, may be sent in a screw-top transfer tube.

Transport Temperature

Room Temperature or Refrigerated

Specimen Stability

  • Room Temperature = 5 days
  • Refrigerated = 7 days
  • Frozen = 6 months

Limitations

N/A

Other Acceptable Specimens

Plasma from Lithium Heparin (Light Green Top) tube

Unacceptable Specimens

Hemolysis, Lipemia, incorrect specimen type, insufficient sample volume, improper storage conditions, exceeds specimen stability guidelines, contaminated sample.

Billing

CPT Code

  • 82374

Billing Code

  • 300181

CPT Statement

Result Information

Methodology

Spectrophotometry (SP)

Testing Laboratory

N/A

Reference Range

See Report

Setup Schedule / Expected Turnaround Time

24/7; Report available: Daily