AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2018 Issue 4; New/Revised ICD-10-CM Codes

Williams Syndrome

Code Q93.82 was created to identify Williams Syndrome (WS). WS, also known as Williams Beuren syndrome (WBS), is a multi-system, neurodevelopmental genetic disorder caused by a “micro-deletion” on the long arm of chromosome 7 (7q11.23) associated with the loss of 26-28 contiguous genes. Both medical and cognitive problems are present throughout the lifespan of those with WS. The most common medical problems include cardiovascular abnormalities, various endocrine abnormalities, gastrointestinal issues and musculoskeletal problems. Neurodevelopmental aspects of WS include mild to moderate intellectual disability and learning disabilities. Anxiety and other behavioral/emotional issues are also typical in WS...

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