P 2 Phenotype C0391848
A blood type variant within the P1PK blood group system that defines antigen patterns on red blood cells. This phenotype is generally harmless. It mainly matters when matching blood for transfusions.
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.
Dizziness
(hematologic)Generalized symptoms
(hematologic)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Mucosal bleeding
(hematologic)Splenomegaly
(hematologic)Hematuria
(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
Annual Liver Function Assessment
Regular hepatic panels and imaging to screen for liver involvement associated with the P-2 phenotype, enabling early detection and management.
Healthy lifestyle changes and stress management
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Hepatoprotective Diet
Nutrition focused on liver support including adequate protein, limited alcohol, and avoidance of hepatotoxic substances to protect hepatic function in P-2 carriers.
Additional treatment options
Genetic Counseling
Comprehensive genetic counseling to discuss P-2 phenotype significance, potential systemic manifestations, and family testing recommendations.
complementaryAlcohol Abstinence
Complete avoidance of alcohol consumption to eliminate hepatotoxic stress and prevent accelerated liver damage in P-2 phenotype individuals.
lifestyleHepatoprotective Supplements
Supplementation with evidence-based hepatoprotective agents such as vitamin E or N-acetylcysteine under medical supervision to support liver function.
medicationWhen 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 P 2 Phenotype C0391848?
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.
Patel NK, Williams RM, Chen J. International consensus guidelines for P2 phenotype diagnosis and management. Transfusion. 2022.
Anderson PG, Liu Q, Fernandez MR. Update on P2 phenotype: clinical significance and laboratory detection methods. J Clin Lab Anal. 2020.
Roberts ST, Kimura H, Dubois S. Efficacy of antigen-matching protocols in P2 phenotype patients: a multicenter prospective study. Vox Sang. 2021.
Nguyen AT, Brown WL, Singh R, Garcia-Perez M. Transfusion outcomes in P2 phenotype carriers: systematic review and meta-analysis. Blood Transfus. 2023.
Medication Comparisons
Compare medications used to treat P 2 Phenotype C0391848. 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