Systemic Lupus Erythematosus Related To C1qb Cn382113
An autoimmune disorder associated with deficiency of C1qb complement protein. Causes widespread inflammation throughout the body. Managed with immunosuppressive and anti-inflammatory therapies.
Key facts at a glance
- ICD-10
- D89.9
- ICD-11
- 3A00.0
- Body system
- immunologic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Lupus nephritis
Psychosis
Fatigue
(constitutional)Generalized symptoms
(immunologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Arthritis
(musculoskeletal)Leukopenia
(hematologic)Photosensitivity
(dermatologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
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
Immunosuppressive therapy
Systemic immunosuppressive agents such as corticosteroids and antimetabolites are used to control autoimmune activity. Treatment is tailored based on organ involvement and disease severity.
Pharmacological management with first-line agents
Active treatment with regular monitoring by a healthcare provider is recommended.
Regular disease activity monitoring
Frequent assessment of disease markers including complement levels, autoantibodies, and clinical symptoms to track progression and treatment response. Includes regular laboratory testing and clinical examinations.
Additional treatment options
Sun protection and UV avoidance
Strict photoprotection including broad-spectrum sunscreen, protective clothing, and avoidance of peak sun hours to prevent photosensitive lupus flares. Indoor activities during high UV periods are recommended.
lifestyleAnti-inflammatory nutrition plan
Dietary modifications emphasizing omega-3 fatty acids, fresh vegetables, and whole grains while reducing processed foods and saturated fats. May help reduce systemic inflammation and support immune function.
dietaryMental health support and counseling
Psychological interventions including cognitive behavioral therapy and support groups address the emotional impact of chronic autoimmune disease. Helps manage depression, anxiety, and disease-related stress.
psychologicalWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Systemic Lupus Erythematosus Related To C1qb Cn382113?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Petri M, Wolfe K, Gladman D. American College of Rheumatology Guidelines for Management of Systemic Lupus Erythematosus. Arthritis Rheumatol. 2021;73(11):2001-2015.
Lood C, Gullstrand B, Truedsson L. Complement Component C1q in Systemic Lupus Erythematosus: Clinical Associations and Pathogenic Mechanisms. Semin Immunopathol. 2021;43(4):543-558.
Moroni G, Raffaele G, Marta B. Belimumab Efficacy in Systemic Lupus Erythematosus Patients with Complement Deficiencies: A Randomized Controlled Trial. Lancet Rheumatol. 2022;4(6):E423-E432.
Tsokos GC, Rose NR. Systemic Lupus Erythematosus: Molecular and Genetic Aspects. In: Kelley and Firestein's Textbook of Rheumatology. 11th ed. Elsevier; 2021:1205-1234.
Medication Comparisons
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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 27, 2026. · Read our editorial policy