ICD-10-CM K12.33: Oral mucositis (ulcerative) due to radiation

ICD-10-CM Diagnosis Code (2025)

Official Description for K12.33

Oral mucositis (ulcerative) due to radiation

Coding Notes & Guidelines for K12.33

Use Additional Code

external cause code (W88-W90, X39.0-) to identify cause

Parent Code (Less Specific):

About ICD-10-CM Code K12.33 (Oral mucositis)

ICD-10-CM code K12.33 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM K12.33 became effective on October 1, 2024.

This page provides detailed information about K12.33 - Oral mucositis (ulcerative) due to radiation. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Oral mucositis.