Haptoglobin in Serum (Mass Concentration)
This test measures the amount of haptoglobin, a protein in your blood that helps remove free hemoglobin (from red blood cell breakdown) and protects against oxidative damage.
["Haptoglobin helps identify conditions affecting red blood cells or inflammation."]
Key facts at a glance
- LOINC
- 22349-5
- Short code
- H capsul IgA Ser-aCnc
- Synonyms
- H capsul IgA Ser-aCnc
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- CPT
- 82784
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
Why This Test Might Be Ordered
Your healthcare provider may order this test if you have symptoms like fatigue, pale skin, or unexplained anemia, or if you’re experiencing conditions such as hemolysis (red blood cell destruction), infections, or certain blood disorders. It may also be used to monitor treatment responses in conditions like malaria or autoimmune diseases.
What to Expect During the Test
A small blood sample is drawn from a vein, usually in your arm. The process is quick and typically painless. You may feel a slight pinch, but it usually doesn’t cause lasting discomfort. No special preparation is needed.
Possible Results and Interpretation
Haptoglobin levels can vary based on health status, diet, and other factors. Low levels may suggest conditions like hemolytic anemia, infections, or inflammation, while very low levels could indicate severe blood loss or certain genetic disorders. High levels might be seen in chronic inflammation or certain liver diseases.
Common Conditions Affecting Results
Conditions such as hemolytic anemia (where red blood cells break down faster than usual), infections (like malaria or sepsis), autoimmune diseases, or liver disorders can influence haptoglobin levels. It’s important to discuss your full medical history with your provider for accurate interpretation.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Serum Haptoglobin
Frequently asked questions
What does a low haptoglobin level mean?
What does a high haptoglobin level mean?
Can diet affect haptoglobin levels?
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