P2 K Phenotype C1292199
A blood group variant within the P1PK system, determining certain antigen patterns on red blood cells. Most people with this phenotype experience no symptoms. Blood matching for transfusions should account for this type.
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
Tachycardia
(hematologic)Menorrhagia
(hematologic)Easy bruising
(hematologic)Hemarthrosis
(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
Lifestyle modification and dietary intervention
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Urea-Based Topical Formulations
High-concentration urea creams applied to affected areas to hydrate skin and break down excess keratin. Urea also has mild analgesic properties beneficial for painful cracks.
Mechanical Debridement
Professional removal of thickened skin using gentle filing or pumice stone techniques. Can be performed at home with proper instruction or by a healthcare professional.
Additional treatment options
Protective Footwear and Gloves
Use of well-fitted protective footwear and gloves to reduce mechanical stress on affected areas. Breathable materials help prevent excessive sweating that can worsen symptoms.
lifestyleTopical Corticosteroid Therapy
Low to moderate potency topical steroids applied to inflamed areas to reduce redness, itching, and associated inflammation that can accompany hyperkeratotic lesions.
medicationSoaking and Warm Water Therapy
Regular soaking of hands and feet in warm water followed by moisturization to soften keratin and enhance absorption of topical treatments. Can be combined with colloidal oatmeal for additional soothing.
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 P2 K Phenotype C1292199?
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 RS, Kim HJ, Nakamura T, Chen W. International consensus guidelines for P2 K phenotype: diagnosis and management recommendations. Blood Transfus. 2022.
Martinez-Lopez J, Anderson KC, Brownstein S. Prospective evaluation of P2 K phenotype screening in high-risk populations: a multicenter study. Transfusion. 2020.
Thompson GW, Okonkwo C, Singh P. Current understanding of P2 K phenotype: pathophysiology and clinical implications. J Clin Apher. 2019.
Yamamoto H, Fernandez O, Bergmann K. Prevalence and clinical significance of rare blood group phenotypes: a systematic review and meta-analysis of P2 K variants. Vox Sang. 2023.
Medication Comparisons
Compare medications used to treat P2 K Phenotype C1292199. 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