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Cryoglobulin Profile (Screening)

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

This test measures proteins in your blood that may form clumps (cryoglobulins) when cooled, which can cause symptoms like fatigue, joint pain, or skin changes.

Quick summary

["Cryoglobulins may signal underlying conditions like infections, autoimmune diseases, or certain cancers."]

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

Key facts at a glance

LOINC
48614-2
Short code
Cryoglob Ser Ql ID
Synonyms
Cryoglob Ser Ql ID
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
immune-diffusion
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

What Is a Cryoglobulin Profile Used For?

A cryoglobulin profile helps identify abnormal proteins that can clump together in cold temperatures. These clumps may block blood flow, leading to symptoms like swelling, pain, or skin rashes. It’s often used to diagnose conditions such as vasculitis, infections, or certain types of lymphoma.

When Might You Need This Test?

Your doctor may recommend this test if you have unexplained symptoms like persistent fatigue, joint pain, or skin changes that worsen in cold weather. It’s also used in people with known autoimmune diseases or infections to monitor for complications.

How Is the Test Performed?

A blood sample is drawn from a vein in your arm. The blood is then cooled to detect any clumping (precipitation) of proteins. If clumps form, they’re analyzed further to identify specific types of cryoglobulins.

What Do Results Mean?

Results may show normal levels of cryoglobulins or elevated clumping, which could indicate an underlying health issue. Your doctor will interpret results in the context of your symptoms and medical history.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Why It Matters

Short name

Cryoglobulin Screen

Frequently asked questions

Why might my doctor ask for this test?
Your doctor may order this test to investigate symptoms like unexplained fatigue, skin rashes, or joint pain, especially if they suspect an autoimmune disorder, infection, or other conditions that affect blood flow.
What are the possible causes of abnormal cryoglobulin levels?
Abnormal cryoglobulins can result from autoimmune diseases (e.g., rheumatoid arthritis), chronic infections (e.g., hepatitis), or rare blood disorders. They may also appear in people with certain cancers, like lymphoma.
How soon will I get results, and what should I do next?
Results may take 1–3 business days. Follow up with your doctor to discuss findings and next steps, such as additional testing or treatment options if needed.
  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