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Mucositis is the painful inflammation and ulceration of the mucous membranes lining the digestive tract, usually as an adverse effect of chemotherapy and radiotherapy for cancer.

The ICD-10 Codes for Oral Mucositis

Diagnosis Codes:

K12.0               Recurrent oral aphthae

K12.1               Other forms of stomatitis

K12.31             Oral mucositis (ulcerative) due to antineoplastic therapy

K12.32             Oral mucositis (ulcerative) due to other drugs

K12.33             Oral mucositis (ulcerative) due to radiation

K12.39             Another oral mucositis (ulcerative)

T45.1X5           Adverse effect, if applicable, to identify antineoplastic and
immunosuppressive drugs

CPT/HCPCS Codes:

0552T              Low-level laser therapy, dynamic photonic and dynamic thermokinetic
energies provided by a physician or other qualified health care professional

S8948              Application of a modality (requiring constant provider attendance) to one or more areas; low-level laser; each 15 minutes

41820              Destruction of lesion, vestibule of mouth by physical methods.

41850              Destruction of lesion, dentoalveolar structures

42160              Destruction of lesion, palate or uvula