Blood Group Ul System C1862192
A rare blood group system involving specific antigens that can trigger immune reactions during transfusions. Most people are positive; careful matching is needed for negative individuals.
Key facts at a glance
- ICD-10
- D64.9
- ICD-11
- 3A00.0
- Body system
- hematologic
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Fatigue
(hematologic)Generalized symptoms
(hematologic)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Pallor
(hematologic)Jaundice
(hematologic)Dark urine
(hematologic)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
Behavioral and nutritional therapy
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Blood Group System Identification
Confirm UL system status through specialized blood typing at a reference laboratory to ensure accurate documentation for transfusion safety.
Extended Red Cell Antigen Typing
Comprehensive antigen profiling of red blood cells to identify all relevant antigens within the UL system for personalized transfusion matching.
Additional treatment options
Antibody Screening Protocol
Regular screening for unexpected antibodies that may develop, particularly important for patients who may require multiple transfusions.
monitoringMedical Alert System Enrollment
Register with blood bank databases and carry medical identification noting the rare blood group status for emergency medical situations.
lifestylePreconception Genetic Counseling
Consultation with hematology and obstetrics for blood group compatibility assessment before planned pregnancy.
complementaryWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Blood Group Ul System C1862192?
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.
Klein H, Martin J. International Society of Blood Transfusion consensus guidelines for management of rare blood group systems. Transfusion. 2022.
Patel R, Chen S, Williams K. Rare blood group antigens: clinical significance and transfusion challenges. Blood Rev. 2020.
Garcia Lopez A, Singh N, Brown D. Alloimmunization patterns in patients with rare blood group phenotypes: a prospective multicenter study. Transfusion Med. 2019.
Wilson T, Anderson P. Prevalence and clinical outcomes of Ul blood group incompatibility: systematic review and meta-analysis. Vox Sang. 2021.
Medication Comparisons
Compare medications used to treat Blood Group Ul System C1862192. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis 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 20, 2026. · Read our editorial policy