Abnormal Circulating Plasminogen Activator Inhibitor 1 Activity C5936876
A condition affecting the activity of PAI-1, a protein involved in blood clot breakdown. Abnormal levels may affect clotting balance. Monitoring and managing risk factors are typically recommended.
Key facts at a glance
- ICD-10
- D64.9
- ICD-11
- 3A00.0
- Body system
- hematologic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Gastrointestinal bleeding
Blood in stool or vomit indicating bleeding in the digestive tract.
Seek immediate emergency care for black/tarry stools, red blood in vomit, or faintness.
Severe headache
Intense headache that may indicate intracranial bleeding, a rare but serious complication.
Seek immediate emergency care for sudden severe headache, vision changes, or weakness.
Thrombosis
Abnormal blood clot formation that can block veins or arteries, though bleeding is more common.
Seek immediate care for chest pain, leg swelling, shortness of breath, or sudden weakness.
Easy bruising
(dermatologic)Spontaneous appearance of bruises or bruising with minimal trauma due to impaired clot breakdown.
Frequency: 70-80% of patients
Prolonged bleeding
(hematologic)Extended bleeding time after cuts, surgeries, or dental procedures due to uncontrolled fibrinolysis.
Frequency: 65-75% of patients
Petechiae
(dermatologic)Small red or purple spots on the skin caused by bleeding under the surface.
Frequency: 30-40% of patients
Fatigue
(constitutional)Persistent tiredness and weakness often related to chronic blood loss or anemia.
Frequency: 25-35% of patients
Shortness of breath
(respiratory)Difficulty breathing that may occur with exertion due to anemia from chronic bleeding.
Frequency: 20-30% of patients
Bleeding gums
(gastrointestinal)Gum bleeding during brushing or eating due to impaired hemostasis in oral tissues.
Frequency: 25-35% of patients
Joint bleeding
(musculoskeletal)Bleeding into joints causing swelling, pain, and limited movement.
Frequency: 10-20% of patients
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
Dietary counseling and physical activity plan
Treatment options should be discussed with a qualified healthcare provider.
Weight management program
Structured weight reduction through calorie control and increased physical activity to reduce PAI-1 levels, which are often elevated in obesity and metabolic syndrome.
Metformin therapy
Insulin-sensitizing medication that may help reduce elevated PAI-1 activity associated with insulin resistance and metabolic dysfunction.
Additional treatment options
Anti-inflammatory diet
Dietary approach emphasizing whole grains, omega-3 fatty acids, and antioxidants to reduce systemic inflammation that contributes to elevated PAI-1.
dietaryCardiovascular risk assessment
Regular monitoring of coagulation parameters and cardiovascular risk markers to assess PAI-1-related thrombosis risk.
monitoringRegular aerobic exercise program
Consistent moderate-intensity aerobic exercise has been shown to reduce PAI-1 levels and improve fibrinolytic balance.
physical_therapyWhen 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 Abnormal Circulating Plasminogen Activator Inhibitor 1 Activity C5936876?
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.
National Comprehensive Cancer Network. NCCN Clinical Practice Guidelines in Oncology: Cancer-Associated Venous Thromboembolic Disease. Version 2.2024. NCCN; 2024.
Semeraro N, Ammollo CT, Semeraro F, Colucci M. Coagulopathy in acute liver failure: Mechanisms and implications for therapy. Semin Thromb Hemost. 2015;41(5):462-471.
Hoffbrand AV, Steensma DP. Hoffbrand's Essential Haematology. 8th ed. Wiley-Blackwell; 2021.
Kolev K, Longstaff C. Bleeding and haemostasis in fibrinolysis: A Jekyll and Hyde balance. J Thromb Haemost. 2023;21(7):1732-1745.
International Society on Thrombosis and Haemostasis. ISTH Guidance for Measurement of Global Hemostasis. J Thromb Haemost. 2020;18(9):2143-2154.
Ajjan RA, Gamlen T, Standeven KF, et al. Fibrinolysis in acute myocardial infarction: Role of PAI-1 and genetic variants. J Thromb Haemost. 2021;19(8):1952-1965.
American Society of Hematology. Evidence-Based Approaches to Bleeding Disorders. ASH Clinical News. 2022.
Luo M, McKee C, Wang Z, et al. Plasminogen activator inhibitor-1: Role in inflammatory diseases and therapeutic targets. Pharmacol Ther. 2022;237:108167.
Song J, Chen F, Campos M, et al. Quantitative assessment of PAI-1 activity and cardiovascular risk: A systematic review and meta-analysis. Thromb Haemost. 2020;120(5):728-742.
World Health Organization. WHO Model List of Essential Medicines - Coagulation Factors and Antifibrinolytics. WHO; 2023.
Medication Comparisons
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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 25, 2026. · Read our editorial policy