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How does unilateral cleft lip develop?
Unilateral cleft lip results from failure of the maxillary prominence on the affected side to fuse with medial nasal prominences. The result is called a persistent labial groove.
What is the prevalence of cleft lip in the population?
Cleft lip occurs in approximately 1 in 1,000 live births worldwide. The prevalence can vary by region and ethnicity. It is one of the most common birth defects, with the exact prevalence depending on genetic and environmental factors.
What is the prevalence of cleft lip amongst men as compared to women?
Cleft lip occurs more often in males, while cleft palate is more likely to occur in females. Cleft lip alone occurs in about 20% of cases, both genders. 80%--have both cleft lip and cleft palate.
How are cleft lips defined?
As well as unilateral or bilateral, cleft lips are further classified as complete or incomplete. A complete cleft is the entire lip, and usually the alveolar arch. An incomplete cleft involves only part of the lip.
What does ICD9 code 749.21 mean?
ICD-9-CM diagnosis code 749.21 = Cleft palate with cleft lip; unilateral, complete
What are the chances of a parent giving birth to more than one child with cleft lip?
When the affected child has unilateral cleft lip and palate, the risk for subsequent children increases to 4.2%.
What is the cleft lip classification system devised by the American Cleft Palate Association?
This classification divides cleft lip into unilateral or bilateral (right, left or extent) in thirds--(i.e., one-third, two-thirds, three-thirds), or median cleft lip, the extent of which is also measured in thirds.
Which nationalisties have the lowest prevalence of cleft lip?
The prevalence of cleft lip can vary among different nationalities. However, some research suggests that East Asian populations, such as those in Japan and Korea, have lower rates of cleft lip compared to other regions. Nordic countries like Sweden and Norway also tend to have lower prevalence rates. Ultimately, the prevalence can vary within a population due to genetic and environmental factors.
How does bilateral cleft lip develop?
Similar to unilateral cleft lip formation, with varying degrees of deformity on each side of the defect. An anatomical structure (intermaxillary segment) projects to the front and hangs unattached.
What is the cpt code for Plastic repair of a bilateral cleft lip primary in one stage?
The CPT Code fro palstic repair fo a bilateral cleft lip, primary bilateral in one stage is 40701. For unilateral without a stage, the CPT Code is 40700.
Is cleft lip and cleft chin the same thing?
A "cleft lip" affects just the patient's lip, and a "cleft palate" affects the palate, or the roof of your mouth.
What does a cleft look like?
A cleft, typically referring to a cleft lip or cleft palate, appears as a noticeable gap or opening in the upper lip and/or the roof of the mouth. A cleft lip may range from a small notch to a significant separation that extends into the nose, while a cleft palate involves a split in the oral cavity that can affect the hard and/or soft palate. These conditions can vary in severity and may be unilateral (one side) or bilateral (both sides). Clefts can impact feeding, speech, and overall facial aesthetics, but they are treatable through surgical intervention.
