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cleft lip

Medical Definition

Congenital defect in the upper lip where the maxillary prominence fails to merge with the merged medial nasal prominences; thought to be caused by faulty migration of the mesoderm in the head region.
Related Codes (2)
Code
Description
Billable
Details
Q36.9Cleft lip, unilateral
Q36Cleft lip
Type 1 Excludes (1)

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