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Epic Code LAB56 Carboxyhemoglobin

Important Note

To be collected at Hospital Sites only.

Test Name Alias

Carbon Monoxide: CO Level | LAB1230283 CRITCARE CARBOXYHEMOGLOBIN | COHGBM | Carboxyhgb

Interface Order Alias

10622

Collection Instructions

Specimen collection: Whole blood 

Container(s): Heparinized blood gas syringe. Heparinized capillary tube is acceptable. 

  • NOTE: Capillary tube is not acceptable at St. Joseph Lab

Minimum volume: 200 ul in a 1 mL syringe, 800 uL in a 3 mL syringe

Collection Instructions:

  • Arterial, venous, and capillary blood specimens are all acceptable. 
  • Capillary specimens should be limited to pediatric patients and MUST be hand delivered. 
  • Call Respiratory Satellite Lab and tube to Respiratory
    • Blodgett: 616-382-2122 - Tube Station 411
    • Helen DeVos Children's Hospital (HDVCH) 8 CH – 616-352-6027 - Tube Station 912
    • Butterworth (BW) 5 MHC – 616-352-5756 - Tube Station 881
    • Or HAND DELIVER to any RESPIRATORY Satellite Lab
  • Regional Hospitals and CHS: HAND DELIVER to Lab Immediately.

Specimen Stability

Ambient: 24 hours

Test Frequency

Available 24 hours, usual TAT 1 day.

Reference Range

<2.0%

Laboratory Critical Values Table

 

Non-smoker: Less than 2% 
Heavy smoker: Less than 9% 
Toxic: Greater than 20%

Performing Department

Respiratory Care (GR Medical Center and Blodgett)
Chemistry (Regional Hospitals and CHS)

Performing Department Laboratory Location

CHW

Corewell Health Medical Center, Grand Rapids, MI (Butterworth Respiratory & HDVCH Respiratory

Corewell Health Blodgett Respiratory, Grand Rapids, MI

CHW Regional Hospitals: 

Corewell Health Big Rapids Laboratory, Big Rapids, MI
Corewell Health Gerber Laboratory, Fremont, MI

Corewell Health Ludington Laboratory, Ludington, MI

Corewell Health Pennock Laboratory, Hastings, MI
Corewell Health Reed City Laboratory, Reed City, MI
Corewell Health Greenville Laboratory, Greenville, MI
Corewell Health Zeeland Laboratory, Zeeland, MI

 

CHS

Corewell Health Lakeland St. Joseph Laboratory, St. Joseph, MI

Corewell Health Lakeland Niles Laboratory, Niles, MI

Methodology

Methodology available on request

CPT

82375

CDM Code

3018237501

Epic Test ID

1230100442

LOINC

Carboxyhemoglobin: 20563-3

Reviewed Date

3/11/2025

Updated Date

4/30/2025 - CHS info added, Updated Naming