K12.3
Oral mucositis (ulcerative)
Clinical Classification Guidelines
Inclusion Terms
- Mucositis (oral) (oropharyneal)
Excludes Type 2
- gastrointestinal mucositis (ulcerative) (K92.81)
- mucositis (ulcerative) of vagina and vulva (N76.81)
- nasal mucositis (ulcerative) (J34.81)
Medical Intelligence & Overview
Oral mucositis, classified under ICD-10 code K12.3, refers to painful inflammation and ulceration of the mucous membranes in the mouth. This condition commonly occurs in individuals undergoing treatments like chemotherapy or radiation therapy for cancer but can also result from other causes. It affects the inner lining of the mouth, including the cheeks, gums, tongue, and roof of the mouth (palate), leading to discomfort and challenges in eating, talking, and maintaining oral hygiene.
Causes & Symptoms
Clinical Causes: Cancer treatments such as chemotherapy and radiotherapy targeting head and neck areas Infections caused by fungi, bacteria, or viruses that infect damaged oral tissue Heavy smoking and alcohol consumption, which can irritate and weaken oral mucosal defenses Certain medications that may induce mucosal reactions Nutritional deficiencies, especially of B vitamins and iron Autoimmune disorders that target mucosal tissues Physical trauma from dental procedures or poorly fitting dental appliances
Key Symptoms: Pain or a burning sensation in the mouth Presence of ulcers or open sores on the mucous membranes Redness and swelling of the oral tissues Difficulty eating, drinking, or speaking due to discomfort Dry mouth and increased salivation Bleeding or crusting around ulcers Infection signs such as pus or worsening pain
Diagnostic & Treatment
Diagnosis Path: The diagnosis of oral mucositis is primarily based on clinical examination. Healthcare providers evaluate the patient's oral cavity, noting the presence of ulcers, redness, and swelling. Additional investigations may include patient history concerning recent treatments or infections. In some cases, samples from ulcers may be taken to identify secondary infections or underlying causes. The severity is often graded using specific scales to guide treatment decisions. Imaging tests are generally unnecessary unless complications are suspected.
Treatment Protocols: Management of oral mucositis aims to reduce pain, promote healing, and prevent or treat secondary infections. Typical approaches include:
Clinical Advice & FAQs
Billing Guidance
Is K12.3 a billable ICD-10 code?
Yes, K12.3 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report K12.3?
Clinical documentation must specify the nature of Oral mucositis (ulcerative) and any associated comorbidities for accurate reporting.
Cite this Clinical Reference