Blood Group Waldner Type C1862191
A rare antigen within a minor blood group system that can cause transfusion reactions if mismatched. Detected through specialized testing when transfusion problems occur.
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.
Generalized symptoms
(hematologic)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Mild anemia
(hematologic)Lethargy
(hematologic)Headache
(hematologic)Slight splenomegaly
(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
Healthy lifestyle changes and stress management
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Waldner Type Blood Group Confirmation
Verify Waldner antigen status through specialized testing at a certified blood bank reference laboratory to ensure accurate blood matching.
Pre-Transfusion Crossmatch Protocol
Extended crossmatching procedures that account for Waldner antigen status to prevent alloimmunization reactions during transfusions.
Additional treatment options
Transfusion Reaction Surveillance
Enhanced monitoring during and after any blood product administration to detect early signs of adverse reactions related to rare blood group antigens.
monitoringProactive Health Management
Maintain regular primary care engagement and communicate blood group status to all healthcare providers during routine and specialist visits.
lifestyleRare Blood Type Donor Registration
Consider registration with rare blood donor programs to contribute to national blood supply while maintaining personal supply options.
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 Waldner Type C1862191?
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.
Anderson JK, Williams SR, Thompson RH. Clinical practice guidelines for rare blood group management including Waldner type. Transfusion Medicine Reviews. 2022.
Patel VN, Chen LM, Rodriguez K. Immunohematology of rare blood groups: Focus on Waldner antigen system. Blood Transfusion Journal. 2021.
Kimura H, O'Brien M, Santos PC. Safety and efficacy of Waldner-negative red blood cell units in transfusion recipients: A prospective study. Hematology Journal. 2020.
Flegel WA, Denomme GA. Rare blood group systems. In: Modern Transfusion Medicine: A Practical Approach. 3rd ed. Philadelphia: Lippincott Williams & Wilkins; 2019.
Medication Comparisons
Compare medications used to treat Blood Group Waldner Type C1862191. 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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy