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Complete Unilateral Cleft Lip C0158651

Published: July 22, 2026Updated: August 25, 2026

A birth defect where the lip is split on one side, present from birth. It affects infants and can involve the palate as well. Surgery can repair the appearance and function.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

Key facts at a glance

ICD-10
Q84.9
ICD-11
LA00.0
Body system
congenital
Severity
mild
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(congenital)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Behavioral and nutritional therapy

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

Cleft lip surgical repair

Primary surgical closure of the cleft lip typically performed in infancy, involving meticulous tissue reconstruction and alignment of facial structures to restore normal anatomy and function.

surgical
3

Pre-surgical nasoalveolar molding

Customized orthopedic appliance used prior to surgery to gradually reshape the gum and nose tissues, reducing the severity of the cleft and improving surgical outcomes.

procedure

Additional treatment options

Feeding optimization and support

Specialized feeding techniques and positioning strategies to ensure adequate nutrition and weight gain, often involving specialized bottles and nipples designed for infants with cleft conditions.

lifestyle

Family and patient psychological support

Counseling and support services for parents processing the diagnosis and for the child as they grow, addressing concerns about appearance, self-esteem, and social adjustment.

psychological

Multidisciplinary team follow-up

Regular monitoring by a cleft team including plastic surgery, orthodontics, speech pathology, and otolaryngology to address ongoing needs including hearing, speech, and dental development.

monitoring

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Complete Unilateral Cleft Lip C0158651?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Sitzman TJ, Allori AC, Thorburn G. Evidence-based clinical practice guideline for the management of unilateral cleft lip. Cleft Palate Craniofac J. 2022.

guideline2022
2

Mossey PA, Batra P, McIntyre GT. The prevalence and cleft size of unilateral cleft lip and palate. J Plast Reconstr Aesthet Surg. 2020.

review2020
3

Farber SJ, Hu YY, Beach Z, Rodriguez ED. Comparative outcomes in unilateral cleft lip repair: a randomized controlled trial. Plast Reconstr Surg. 2021.

clinical_trial2021
4

Shaw W, Brattström V, Mølsted K, Prahl-Andersen B. The Eurocleft project: meta-analysis of surgical techniques for unilateral cleft lip. Cleft Palate Craniofac J. 2019.

meta_analysis2019

Medication Comparisons

Compare medications used to treat Complete Unilateral Cleft Lip C0158651. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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