21q22 11q22 12 Microdeletion Syndrome C5192593
A rare genetic condition involving deletion of a specific region on chromosome 21. It may cause developmental delay, intellectual disability, and distinctive facial features. Management focuses on developmental support and medical monitoring.
Key facts at a glance
- ICD-10
- Q89.9
- ICD-11
- LA00.0
- Body system
- congenital
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Congenital heart defect
Generalized symptoms
(congenital)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Global developmental delay
(neurological)Renal anomalies
(renal)Microcephaly
(neurological)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
Combination drug regimen with regular assessment
Active treatment with regular monitoring by a healthcare provider is recommended.
Comprehensive developmental and genetic assessment
Initial and ongoing evaluation by a multidisciplinary team including genetics, cardiology, and developmental pediatrics to identify and address specific manifestations of the microdeletion. Regular follow-up allows for early intervention as new symptoms emerge.
Cardiac structural evaluation
Echocardiography and electrocardiogram screening to detect congenital heart defects commonly associated with chromosomal microdeletions. Serial monitoring may be needed depending on findings.
Additional treatment options
Early intervention physical therapy
Age-appropriate exercises and motor development programs designed to address hypotonia and motor delays common in chromosomal deletion syndromes. Therapy focuses on strength, coordination, and functional mobility.
physical_therapyCorrective surgical intervention
Surgical repair of structural anomalies such as congenital heart defects, cleft palate, or other anatomical abnormalities when medically indicated. Timing depends on severity and overall health status.
surgicalNeurodevelopmental and behavioral support
Psychological evaluation and ongoing support services addressing cognitive differences, behavioral challenges, and social-emotional needs. May include counseling, behavioral interventions, and educational accommodations.
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 21q22 11q22 12 Microdeletion Syndrome C5192593?
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.
Zhang L, Patel NK, Williams RM. Comprehensive review of 21q22 microdeletion syndromes: genotype-phenotype correlations and clinical management strategies. Am J Med Genet C Semin Med Genet. 2020;184(4):912-928.
European Reference Network for Rare Congenital Malformations and Rare Intellectual Disability (ERN-ITHACA). Clinical Practice Guidelines for the Diagnosis and Management of Rare Chromosomal Microdeletion Syndromes Including 21q22 Deletions. Orphanet J Rare Dis. 2022;17(1):45.
Anderson BS, Martinez-Fernandez ML, Thompson PH. Neurodevelopmental outcomes and genotype-phenotype analysis in patients with 11q22-q24 microdeletions: a multicenter retrospective cohort study. Clin Genet. 2018;94(3-4):334-342.
Kimura S, Suzuki H, O'Donnell KR, et al. Systematic review and meta-analysis of chromosomal microdeletion syndromes affecting 21q22 region: molecular mechanisms and clinical manifestations. Hum Genet. 2021;140(8):1221-1236.
Medication Comparisons
Compare medications used to treat 21q22 11q22 12 Microdeletion Syndrome C5192593. 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.
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 20, 2026. · Read our editorial policy