Cryoglobulin Profile (Screening)
This test measures proteins in your blood that may form clumps (cryoglobulins) when exposed to cooler temperatures, which could indicate certain autoimmune conditions.
["Helps identify potential autoimmune or inflammatory conditions by detecting abnormal protein clumping in your blood."]
Key facts at a glance
- LOINC
- 29745-7
- Short code
- Cryoglob Ser Ql 3D RT Inc
- Synonyms
- Cryoglob Ser Ql 3D RT Inc
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- d-rt-incubation
- 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 recommend this test if you have symptoms like fatigue, joint pain, skin rashes, or signs of infection, especially if you’ve been diagnosed with an autoimmune disease like lupus or rheumatoid arthritis. It may also be used to monitor conditions where cryoglobulins are known to play a role.
What to Expect During the Test
A small amount of blood will be drawn from a vein in your arm by a healthcare professional. You may feel a slight pinch, but it usually doesn’t cause significant discomfort. The blood sample is then sent to a lab for analysis.
What the Results Mean
If cryoglobulins are found in your blood, they may indicate an underlying condition like mixed cryoglobulinemia, which can cause symptoms such as fevers, muscle aches, or nerve damage. Further testing may be needed to determine the exact cause and guide treatment.
Common Conditions Linked to Cryoglobulins
Cryoglobulins are often associated with autoimmune diseases, infections (such as hepatitis C), or certain cancers. They can also appear in people with conditions like vasculitis, where blood vessels become inflamed.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Cryoglobulin Screen
Frequently asked questions
What causes cryoglobulins to form?
How long does it take to get results?
Can lifestyle changes help manage cryoglobulin-related symptoms?
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