ICD-10-CM 2027
ICD-10 code for Weaver's syndrome
Congenital malformation syndromes involving early overgrowth
From the official ICD-10-CM alphabetic index entry “Weaver's syndrome”. Page updated September 29, 2026.
About coding Weaver's syndrome
The ICD-10-CM code for Weaver's syndrome is Q87.3 (Congenital malformation syndromes involving early overgrowth).
Within Q87 (other specified congenital malformation syndromes affecting multiple systems), Q87.3 is specifically for congenital malformation syndromes involving early overgrowth. Related codes cover congenital malformation syndromes predominantly affecting facial appearance (Q87.0), congenital malformation syndromes predominantly associated with short stature (Q87.1), congenital malformation syndromes predominantly involving limbs (Q87.2), Marfan syndrome (Q87.4), other congenital malformation syndromes with other skeletal changes (Q87.5), other specified congenital malformation syndromes, not elsewhere classified (Q87.8) and Loeys-Dietz syndrome (Q87.A).
Use an additional code(s) to identify all associated manifestations.
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
Common questions about Weaver's syndrome ICD-10 codes
What is the ICD-10 code for Weaver's syndrome?
- Q87.3 — Congenital malformation syndromes involving early overgrowth.
Is Q87.3 billable?
- Yes. Q87.3 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can Q87.3 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict Q87.3 as a principal diagnosis.
Is Q87.3 a CC or MCC?
- Q87.3 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.