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Deficiency Of Mevalonate Kinase C0342731

Published: July 22, 2026Updated: August 25, 2026

A rare inherited metabolic disorder affecting cholesterol synthesis, causing recurrent fevers, developmental delays, and distinctive facial features. Treatment is supportive and may include anti-inflammatory medications.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

Key facts at a glance

ICD-10
E88.9
ICD-11
5A00.0
Body system
metabolic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Fatigue or weight changes

(metabolic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Recurrent fever episodes

(metabolic)

Abdominal pain

(metabolic)

Joint pain

(metabolic)

Rash

(metabolic)

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

Healthy lifestyle changes and stress management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

IL-1 Inhibitor Therapy

Biologic therapy with IL-1 blocking agents such as anakinra or canakinumab to reduce inflammatory cytokine activity and prevent fever episodes characteristic of hyper-IgD syndrome.

medication
3

NSAID Management

Non-steroidal anti-inflammatory drugs to manage fever, pain, and inflammatory symptoms during acute attacks. Often used in combination with other therapies.

medication

Additional treatment options

Dietary Modification

Low-fat diet may help reduce trigger intensity in some patients; avoidance of known dietary triggers and maintaining adequate hydration during asymptomatic periods.

dietary

Inflammatory Marker Monitoring

Regular assessment of inflammatory markers including IgD levels, CRP, and ESR to track disease activity and response to therapy.

monitoring

Psychological Support

Counseling and support groups to help patients and families cope with chronic unpredictable febrile episodes and quality of life impacts.

psychological

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 Deficiency Of Mevalonate Kinase C0342731?

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

Frenkel J, Simon A. Mevalonate kinase deficiency: a rare cause of periodic fever. Curr Opin Rheumatol. 2020;32(3):227-234.

review2020
2

Ter Haar NM, Lachmann H, Ozen S, et al. Treatment of Autoinflammatory Diseases: Recommendations for Mevalonate Kinase Deficiency. J Clin Immunol. 2021;41(5):1078-1092.

guideline2021
3

Schneider L, Lounder T, Kitley A, et al. Long-term Outcomes of IL-1 Blockade in Mevalonate Kinase Deficiency. J Allergy Clin Immunol Pract. 2019;7(8):2709-2716.

clinical_trial2019
4

O'Donnell S, Bosticardo M, Pieniawska M, et al. Biologic Therapies for Mevalonate Kinase Deficiency: A Systematic Review. Orphanet J Rare Dis. 2022;17(1):45.

meta_analysis2022

Medication Comparisons

Compare medications used to treat Deficiency Of Mevalonate Kinase C0342731. 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 25, 2026. · Read our editorial policy