Beta-human chorionic gonadotropin (β-hCG) in serum/plasma
This test measures the hormone β-human chorionic gonadotropin (β-hCG), which is produced by the placenta after pregnancy begins. It helps confirm pregnancy and monitor its progress.
["β-hCG helps detect early pregnancy and assess potential complications."]
Key facts at a glance
- LOINC
- 56687-7
- Short code
- Panc Islet Cell IgG Titr Ser IF
- Synonyms
- Panc Islet Cell IgG Titr Ser IF
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Ref low
- 8
- Ref high
- 61
- Critical range
- 0.5 N/A – —
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- if
- CPT
- 82977
- SNOMED
- 3110003
- 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 is this test done?
Your healthcare provider may order a β-hCG test to confirm pregnancy, especially if you have missed periods or suspect pregnancy. It can also be used to monitor early pregnancy, check for ectopic pregnancies, or evaluate fertility issues. In some cases, it’s used during pregnancy to monitor for conditions like miscarriage or molar pregnancy.
What does a β-hCG test involve?
A blood sample is taken from a vein in your arm. You may feel a small pinch, but it usually doesn’t cause discomfort afterward. The test is quick and typically done in a doctor’s office or lab.
What might affect β-hCG levels?
Several factors can influence β-hCG levels, including the stage of pregnancy, medical conditions (like thyroid disorders), certain medications, or even recent blood donations. If you’re taking medications or have health concerns, let your provider know.
What do β-hCG levels mean?
β-hCG levels rise steadily during early pregnancy, with higher levels indicating a healthy pregnancy. However, abnormal levels can signal issues like a miscarriage, ectopic pregnancy, or other complications. Your provider will interpret results in the context of your symptoms and medical history.
Reference range
Adult males: 8-61 U/L; Adult females: 5-36 U/LN/A
No special preparation required. Avoid fatty meals before the test if possible.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical significance: β-hCG is a critical biomarker for pregnancy detection and monitoring. Low or rising levels may indicate early pregnancy loss, while extremely high levels could suggest conditions like gestational trophoblastic disease. Regular monitoring helps guide care decisions.
Short name
β-hCG (Serum/Plasma)
Frequently asked questions
When should I get a β-hCG test?
What happens if my β-hCG levels are too low?
Do I need to prepare 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 17, 2026. · Read our editorial policy