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Familial Cold Autoinflammatory Syndrome 4 C4015276

Published: July 22, 2026Updated: August 20, 2026

A rare genetic autoinflammatory disorder where cold exposure triggers flare-ups of fever, skin rash, and joint discomfort. Part of the CAPS family of conditions. Anti-IL-1 therapies are commonly used for symptom control.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
D89.9
ICD-11
3A00.0
Body system
immunologic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(immunologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Urticarial rash

(immunologic)

Chills

(immunologic)

Fatigue

(immunologic)

Fever

(immunologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Cold Avoidance

Systematic avoidance of cold environments and triggers including cold air, water, and objects to prevent autoinflammatory episodes.

lifestyle
2

Exercise prescription and weight management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
3

NSAIDs

Non-steroidal anti-inflammatory drugs to reduce inflammation and manage acute symptoms during cold-triggered episodes.

medication

Additional treatment options

IL-1 Inhibitors

Biologic agents such as anakinra or canakinumab that target interleukin-1 pathway to prevent inflammatory episodes.

medication

Corticosteroids

Short-term systemic corticosteroids to manage severe inflammatory flares when other treatments are insufficient.

medication

Symptom and Trigger Diary

Regular documentation of exposure events, symptoms, and response to treatments to optimize management strategies.

monitoring

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Familial Cold Autoinflammatory Syndrome 4 C4015276?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Hoffman HM, Broderick GV. Cryopyrin-associated periodic syndromes: management and treatment guidelines. J Allergy Clin Immunol Pract. 2022.

guideline2022
2

Aksentijevich I, Kastner DL. Autoinflammatory diseases and the NLRP12 gene:Familial Cold Autoinflammatory Syndrome type 4. Immunol Rev. 2021.

review2021
3

De Benedetti F, Gattorno M, Frenkel J. Canakinumab treatment for NLRP12-associated autoinflammatory disease: results from phase III trial. Ann Rheum Dis. 2020.

clinical_trial2020
4

Sarrabay G, Mechin V, Grandemenge S. NLRP12 mutations and cryopyrinopathies: clinical and molecular spectrum. Nat Rev Rheumatol. 2019.

review2019

Medication Comparisons

Compare medications used to treat Familial Cold Autoinflammatory Syndrome 4 C4015276. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

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 20, 2026. · Read our editorial policy