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2025 ICD-10-CM code Q87.3

Congenital malformation syndromes involving early overgrowth.

Use additional codes to identify all associated manifestations. Do not use this code on the maternal record if the infant is stillborn.

Medical necessity is established by the presence of clinical features and/or genetic confirmation of one of the overgrowth syndromes. Specific medical justifications will depend on the associated manifestations and the need for interventions or ongoing monitoring.

Diagnosis and management of this condition are typically overseen by a geneticist, pediatrician, or other specialist, depending on the specific syndrome and associated manifestations.

In simple words: This code represents a group of genetic disorders present from birth that cause children to grow larger than expected for their age.Examples include Beckwith-Wiedemann syndrome, Sotos syndrome, and Weaver syndrome.Additional codes are used to specify the exact condition.

Congenital malformation syndromes involving early overgrowth includes conditions like Beckwith-Wiedemann syndrome, Sotos syndrome, and Weaver syndrome. Use additional code(s) to identify all associated manifestations.

Example 1: A newborn infant presents with an abnormally large tongue, abdominal wall defects, and low blood sugar, consistent with Beckwith-Wiedemann syndrome. Q87.3 would be used along with additional codes to specify the individual manifestations., A child exhibits excessive growth in the first few years of life, large hands and feet, and characteristic facial features, leading to a diagnosis of Sotos syndrome. Q87.3 is used with additional codes for specific features., A toddler shows accelerated skeletal maturation, advanced bone age, and distinct craniofacial features, which are indicative of Weaver syndrome. Q87.3 is used along with other codes for the specific symptoms.

Documentation should include detailed clinical findings, family history, genetic testing results, and any associated manifestations like organomegaly, developmental delays, or other abnormalities.

** Excludes2: inborn errors of metabolism (E70-E88). The code is exempt from the POA (Present on Admission) reporting requirement.

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