Deficiency Of Ribose 5 Phosphate Isomerase C1291609
RPI deficiency disrupts a key enzyme in the pentose phosphate pathway, affecting how cells process sugars. It can cause developmental delay, neurological problems, and accumulation of certain metabolites. Management addresses specific symptoms and may include dietary modifications.
Key facts at a glance
- ICD-10
- E88.9
- ICD-11
- 5A00.0
- Body system
- metabolic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Seizures
Hypoglycemia
Fatigue or weight changes
(metabolic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Developmental delay
(metabolic)Microcephaly
(metabolic)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
Drug therapy and clinical monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Neurological Function Assessment
Regular neurological examinations and developmental assessments to monitor for progressive neurological decline and guide supportive interventions.
Seizure Management
Anticonvulsant therapy tailored to seizure type and frequency to control epileptic episodes that commonly occur in this condition. Regular review of medication effectiveness is essential.
Additional treatment options
Metabolic Supportive Nutrition
Nutritional support designed to optimize cellular energy metabolism including possible supplementation with ribose or other metabolic cofactors as supported by clinical assessment.
dietarySpasticity and Motor Disorder Management
Targeted therapy for managing spasticity, ataxia, and motor dysfunction through positioning, stretching, strengthening exercises, and adaptive equipment recommendations.
physical_therapyCognitive and Behavioral Support
Psychological interventions including cognitive rehabilitation, behavioral strategies, and family education to address cognitive impairment and support optimal functioning.
psychologicalWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Deficiency Of Ribose 5 Phosphate Isomerase C1291609?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication 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 27, 2026. · Read our editorial policy