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HelpTest Code BG CAP Blood Gas, Capillary
Additional Codes
LAB2485
Performing Laboratory
Central Peninsula Hospital
Collection Method
Capillary collection
Container
Capillary Tube
Specimen Type
Capillary Tube
Minimum Volume
150μl for a full profile capillary
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
Capillary Blood Gas Reference Ranges
| COMPONENT | Age | Reference Range |
| pH | All ages | 7.35-7.45 |
| pCO2 (mmHg) |
0-3D
>3d
|
28-50
32-48
|
| pO2 (mmHg) |
0-3D >3D |
60-75 83-108 |
| HCO3 (mmol/L) |
0-2y >2y |
17-24 21-29 |
| BE (mmol/L) | All ages | (-2)-3 |
| SO2 (%) |
0-1d >1d |
85-90 94-98 |
Reportable Units
Varies
Critical Value
| Component | Age | Critical Low | Critical High |
| pH | All ages | ≤7.2 | ≥7.6 |
| pCO2 |
0-3D >3d
|
≤15 ≤15
|
≥70 ≥70
|
| HCO3 |
0-2y >2y |
≤10 ≤10 |
≥45 ≥45 |
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
82803
Last review/edit date
2025