Home
HelpTest Code CARBOXY Carboxyhemoglobin
Additional Codes
LAB56
Performing Laboratory
Central Peninsula Hospital
Collection Method
Venipuncture
Container
Heparinized Syringe
Specimen Type
Heparinized Syringe
Minimum Volume
0.5ml
Specimen Stability
Samples should be analyzed within 15 minutes from draw to optimize specimen quality. Testing should not be delayed more than 30 minutes from collection.
Reference or Target Ranges
| COMPONENT | Age | Reference Range |
| CO Hb (%) | All ages | 0.5 – 1.5% |
CO Hb (%) report comment:
Normal environmental exposure: 0.5 - 1.5%
Smokers: < 10%
Toxic concentration: ≥ 20%
Reportable Units
CO Hb (%)
Critical Value
≥20%
Reasons for Rejection
| Hemolysis Threshold | N/A |
| Icterus Threshold | N/A |
| Lipemia Threshold | N/A |
| Other | QNS, contaminated, improperly labeled, improper specimen type |
Performance Information
| Days and Time Performed | 24/7 |
| Expected Turn Around Time |
Stat: 30 Minutes |
| Stat Availabilty | Yes |
| Performing Bench | CPH Chemistry |
| Methodology/Method Description | GEM Premier 5000 |
CPT Codes
82375
Last review/edit date
2025