Skip to content

Erythropoietin (EPO) concentration, serum/plasma

Published: August 9, 2026Updated: August 16, 2026

This test measures the amount of erythropoietin (EPO), a hormone produced by your kidneys that helps your body make red blood cells. It may be used to assess kidney function or evaluate conditions affecting red blood cell production.

Quick summary

["EPO helps regulate red blood cell production and can indicate kidney health or blood disorders."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
23634-9
Short code
EPO Gvn Dose-aCnc
Synonyms
EPO Gvn Dose-aCnc
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
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 Might This Test Be Ordered?

Your healthcare provider may order this test to check if your kidneys are producing enough EPO, which can happen with kidney disease. It may also be used to monitor conditions like anemia or to evaluate responses to treatments that affect red blood cell production.

What Does a Result Mean?

Results can vary based on individual health, but abnormal levels may suggest conditions like kidney disease, anemia, or certain cancers. Your provider will interpret results in the context of your overall health and symptoms.

Sample Collection and Preparation

A blood sample is drawn from a vein, usually in your arm. The blood is processed to separate serum or plasma for testing. This process is quick and typically done in a lab setting.

Common Conditions Monitored

EPO levels are often checked in people with chronic kidney disease, polycythemia vera, or those undergoing treatments like chemotherapy that may affect red blood cell counts.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: EPO plays a critical role in maintaining red blood cell production. Low levels may indicate kidney dysfunction or anemia, while high levels could suggest overproduction of red blood cells or certain cancers. Regular monitoring helps manage these conditions effectively.

Short name

EPO Level

Frequently asked questions

What causes abnormal EPO levels?
Abnormal EPO levels can result from kidney disease, where production may be impaired, or from conditions like polycythemia vera, where the body overproduces EPO. Certain medications or cancers may also influence these levels.
How long does it take to get results?
Test results are typically available within 1 to 3 business days, depending on lab processing times and your healthcare provider’s workflow.
Can lifestyle changes affect EPO levels?
While diet and exercise can influence overall health, they may not directly affect EPO levels. However, managing conditions like kidney disease or anemia through lifestyle changes can indirectly support healthier EPO function.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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.

Medical Disclaimer

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