HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

What do you think it means when your complement level comes back high (176) but you test a "low" postive for lupus? this is for my 18 month old son.

A doctor has provided 1 answer

Need more: A diagnosis of lupus requires way more testing than this.

Answered 12/9/2013

5.4k views

Thank

Related Questions

A member asked:

My 14yo has C3 level is 71, C4 is 13, C50 is 60. Alkaline phosphatase plasma low 72. Because total complement was ok, we were told she is fine?? Family history of Lupus. She has face rash, cold hands turning purple, low energy. Should I worry?

2 doctors weighed in across 2 answers

A member asked:

Lupus patient- last round of tests show abnormally high bilirubin levels and abnormally low AST and ALT. What would cause this and what would it mean?

A doctor has provided 1 answer

A member asked:

Esr, c3, c4, total hemolytic complement are all high, negative ana, malar rash, could it be lupus?

4 doctors weighed in across 2 answers

A member asked:

Can you have lupus with completely normal bloodwork? ANA, ENA neg, Complement levels normal, CBC normal. ESR of 2 and normal CRP

A doctor has provided 1 answer

A member asked:

Could someone have lupus with homogeneous ANA 1:320 but elevated complement 3 and 4?

A doctor has provided 1 answer

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

The result of my blood test for C3 complement is high and CPK result is too low, does this mean I have symptoms of lupus?
The result of my blood test for C3 complement is high and CPK result is too low, so do I have lupus?
Im complement deficient. What does this mean? Low C3 and c4. joint pain, low back pain, rashes, anisocoria, low tsh, fatigue etc and it's not lupus
Complement C3 and C4 tests done 3 times due to lupus symptoms. C3 always normal but C4 borderline low twice, now normal. is this a deficiency?
Have common variable immune deficiency, and rheumy thinking lupus. Just checked complement system and c1q binding assay came back high? Lupus? Other

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.