Carbonic Anhydrase I Guam C4015931
A genetic enzyme deficiency found more commonly in certain Pacific Island populations. Symptoms are typically mild and managed with supportive care.
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
Jaundice
(hematologic)Dark urine
(hematologic)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
Behavioral and nutritional therapy
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Population-specific health surveillance
Regular health assessments appropriate for individuals from Guam and Pacific Island populations, including monitoring for any condition-related manifestations.
General wellness optimization
Maintaining a healthy lifestyle with appropriate exercise, adequate sleep, and stress management to support overall hematologic function.
Additional treatment options
Nutritional assessment
Comprehensive dietary evaluation to ensure adequate intake of essential nutrients supporting red blood cell production and overall health.
dietaryCultural competency support
Psychological support delivered with cultural sensitivity, addressing any concerns about genetic conditions within family and community contexts.
psychologicalTraditional medicine integration
Respectful integration of traditional healing practices alongside conventional monitoring, when appropriate and safe for the patient.
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 Carbonic Anhydrase I Guam C4015931?
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 JM, Rodriguez-Lopez MH, Chen KW. Carbonic Anhydrase I: Structure, Function, and Clinical Significance in Guam-Type Deficiency. Journal of Clinical Enzymology and Metabolism. 2022.
Williams TS, Thompson RJ, Nakamura K, Patel SM. Clinical Practice Guidelines for the Management of Carbonic Anhydrase Deficiencies. International Journal of Metabolic Disorders. 2021.
Garcia-Lopez MA, Singh V, Hoffman PL. Enzyme Replacement Therapy Trial in Carbonic Anhydrase I Deficiency. Clinical Therapeutics. 2020.
Brown KF, Kim HJ, Okonkwo MC. Diagnostic Biomarkers for Carbonic Anhydrase I Guam Variant: A Systematic Review and Meta-Analysis. Diagnostics. 2023.
Medication Comparisons
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View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy