What is the ICD-9 code 528? Understanding Oral Soft Tissue Disorders
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4 min read
While the medical coding world officially transitioned from the ICD-9 system to ICD-10 in 2015, understanding legacy codes like the ICD-9 code 528 provides crucial context for historical medical records and data. This code was used to broadly classify diseases affecting the soft tissues inside the mouth, but a more specific diagnosis is now possible with the modern coding framework.