Find comprehensive information on Noonan Syndrome diagnosis, including clinical features, genetic testing, and differential diagnosis. Learn about ICD-10-CM code Q87.1 for Noonan syndrome, clinical documentation improvement for accurate medical coding, and healthcare resources for managing Noonan syndrome. Explore genetic counseling, phenotypic features, and the impact of PTPN11 mutations on diagnosis and treatment. This resource provides valuable information for healthcare professionals, patients, and families seeking to understand Noonan syndrome.
Also known as
Noonan syndrome
Genetic disorder causing abnormal development.
Other congenital malformations of face
Congenital facial abnormalities not elsewhere classified.
Other specified congenital malformations affecting multiple systems
Multiple congenital anomalies not classified elsewhere.
Chromosomal abnormalities
Conditions caused by changes in chromosome number or structure.
Follow this step-by-step guide to choose the correct ICD-10 code.
Is the diagnosis Noonan syndrome?
When to use each related code
| Description |
|---|
| Short stature, heart defects, unusual facial features. |
| Overgrowth, increased cancer risk, distinctive features. |
| Tall stature, heart issues, skeletal abnormalities. |
Coding Q87.1 without specifying subtype (e.g., with pulmonic stenosis Q87.11) leads to underreporting severity and CC/MCC capture.
Failure to code associated conditions (e.g., heart defects, cryptorchidism) impacts accurate DRG assignment and reimbursement.
Discrepancies between clinical notes and coded diagnoses (e.g., Noonan vs. Turner syndrome) create compliance and audit risks.
Patient presents with clinical features suggestive of Noonan Syndrome (NS). Evaluation reveals characteristic dysmorphic features including ptosis, hypertelorism, low-set posteriorly rotated ears, and a webbed neck. Short stature is noted, and growth charts indicate delayed growth velocity. Congenital heart defects, specifically pulmonic stenosis, were identified on echocardiogram. Genetic testing for PTPN11, SOS1, RAF1, and other Noonan syndrome-associated genes is recommended to confirm the diagnosis. Differential diagnoses considered included Turner Syndrome, Costello Syndrome, and Cardiofaciocutaneous Syndrome. The patient's family history is significant for a maternal uncle with suspected Noonan Syndrome, though genetic confirmation was not pursued. Current management focuses on addressing the identified cardiac defect and monitoring growth and development. Developmental assessments will be scheduled to monitor for potential developmental delays and learning disabilities. Referral to cardiology, ophthalmology, and genetics is indicated for specialized care. Patient and family education regarding Noonan Syndrome, genetic counseling, and long-term health implications were provided. ICD-10 code Q87.1 is recorded for Noonan Syndrome. CPT codes for genetic testing, echocardiogram, and specialist consultations will be billed accordingly. Future appointments will focus on continued monitoring of cardiac function, growth, development, and management of any associated complications.