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2025 ICD-10-CM code Q18

Other congenital malformations of face and neck

Do not use this code when a more specific code exists. If the malformation significantly affects a specific body system, additional codes may be required to fully capture the patient's condition. This code is not for use on maternal records.

Medical necessity must be supported by documentation clearly linking the condition to impaired function or other significant health issues. Any procedures or treatments should be justified based on the patient's clinical needs.

IMPORTANT:Excludes1: cleft lip and cleft palate (Q35-Q37) conditions classified to Q67.0-Q67.4 congenital malformations of skull and face bones (Q75.-) cyclopia (Q87.0) dentofacial anomalies [including malocclusion] (M26.-) malformation syndromes affecting facial appearance (Q87.0) persistent thyroglossal duct (Q89.2)Excludes2: cleft lip and cleft palate (Q35-Q37)congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4)congenital malformation of larynx (Q31.-)congenital malformation of lip NEC (Q38.0)congenital malformation of nose (Q30.-)congenital malformation of parathyroid gland (Q89.2)congenital malformation of thyroid gland (Q89.2)

In simple words: This code represents a birth defect affecting the face and/or neck that is not otherwise specified.

Other congenital malformations of face and neck

Example 1: A newborn presents with a small, benign growth on their cheek. After examination, it's determined to be a congenital malformation not covered by a more specific code, thus Q18 is used., An infant is found to have a minor, atypical facial muscle structure causing slight asymmetry in their smile. This falls under unspecified facial malformations, and Q18 is applied., A child has webbing between their neck and shoulder. This is a congenital anomaly not covered by a more specific code, so Q18 is used.

Detailed clinical notes describing the specific malformation, its location, and any associated symptoms. Imaging or other diagnostic reports.

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