AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2023 Issue 4; New/Revised ICD-10-CM Codes
Bardet-Biedl Syndrome and Laurence-Moon Syndrome
Two new codes have been created at subcategory Q87.8, Other specified congenital malformation syndromes, not elsewhere classified, to identify Bardet-Biedl syndrome (Q87.83) and Laurence-Moon syndrome (Q87.84). Bardet-Biedl syndrome (BBS) is a rare genetic disorder that can potentially affect multiple body systems. Diagnosis of the condition is based on the different expressions such as obesity, impaired vision, chronic kidney disease, endocrine disorders that may affect growth and development, and problems with mood, language, judgement and memory. Obesity is a common manifestation of BBS; therefore, controlling the patient’s weight may have a positive impact on other...
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Article Overview
This article covers the creation of new ICD-10-CM codes for two rare congenital/genetic syndromes and explains why separating them matters for clinical documentation, research, and condition tracking. It provides a high-level overview of the syndromes, their general multisystem features, and the reason distinct coding was introduced. The article is most relevant to coders, clinicians, and data/reporting teams working with congenital malformation and genetic disorder classifications.
Why This Topic Matters
Accurate identification of these syndromes supports better diagnosis coding, cleaner data capture, and more reliable research and surveillance for rare genetic conditions.
What You Will Learn
- Why new diagnosis codes were created for two rare syndromes
- The broad clinical characteristics associated with each syndrome
- Why distinguishing similar inherited conditions matters for research and clinical tracking
- How coding changes can support documentation and data quality
Who Should Read This
- Medical coders
- Clinical documentation teams
- Physicians and specialists
- Health information management professionals
- Research and registry staff
Codes Discussed
Code Ranges Discussed
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