Oxygenated hemoglobin mass concentration in whole blood
This test measures the amount of oxygen-bound hemoglobin in your blood, which reflects how well oxygen is being carried to your tissues.
["Helps assess oxygen delivery and potential blood oxygenation issues."]
Key facts at a glance
- LOINC
- 71837-9
- Short code
- OxyHgb MFr.DF BldMV
- Synonyms
- OxyHgb MFr.DF BldMV
- Category
- hematology
- Sample
- whole-blood
- Container
- Lavender-top (EDTA)
- Units
- N/A
- Ref low
- 12
- Ref high
- 17.5
- Critical range
- 7 N/A – 20 N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- CPT
- 85018
- SNOMED
- 900000000000003004
- Specimen volume
- 3 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h
- Hemolysis max
- 0
- Lipemia max
- 0
- Icterus max
- 0
- TAT
- 4–24 hours
- Order
- routine
What This Test Measures
Oxygenated hemoglobin (oxyHb) is the form of hemoglobin that carries oxygen from the lungs to body tissues. This test quantifies its concentration in whole blood, providing insight into oxygen saturation levels and potential blood flow or oxygen transport problems.
Why It Might Be Ordered
Your healthcare provider may order this test if you have symptoms like shortness of breath, fatigue, or signs of poor circulation, or if you’re undergoing conditions affecting oxygen delivery (e.g., anemia, lung disease, or heart conditions).
Common Reasons for Testing
It may also be used in research or specialized clinical settings to evaluate oxygen transport dynamics in conditions like chronic obstructive pulmonary disease (COPD), severe anemia, or during critical care monitoring.
Sample Collection and Preparation
Blood is drawn from a vein, typically in the arm, and processed to separate whole blood for analysis. This test is often performed on fresh or stored blood samples using advanced laboratory techniques.
Reference range
Adult males: 13.5-17.5 g/dL; Females: 12.0-16.0 g/dLN/A
No special preparation usually required. Stay well hydrated. Inform your healthcare provider of all medications and supplements you are taking.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
OxyHb (Mass Concentration)
Frequently asked questions
How is this test different from a standard oxygen saturation test (like pulse oximetry)?
Does this test require fasting?
What are the typical reference ranges for this test?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy