Chapter 8: Signs, Symptoms, and Ill-defined Conditions. In: Medical Coding Essentials: A Guide to Master ICD-10-CM Diagnostics. [s.l.] : ThinkPlus Pharma Publications,2025. p. 216–233. DOI: 10.69613/mg05v505. Disponível em: http://books.jopir.in/index.php/thpl/catalog/book/7/chapter/53. Acesso em: 14 dec. 2025.