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Home/Diagnosis/ICD-10 Coding for Mucositis

ICD-10 Coding for Mucositis

K12.3
K12.31
K12.33

Complete ICD-10-CM coding and documentation guide for icd-10 coding for mucositis includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Oral Mucositis
Gastrointestinal Mucositis
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Key Information: ICD-10 Coding for Mucositis

Essential facts and insights about ICD-10 Coding for Mucositis

Use ICD-10 code K12.3 for oral mucositis (ulcerative), ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Oral mucositis (ulcerative)

Non-Billable
K12.3
Non-Billable

Diagnostic Criteria

  • • Ulcerative lesions without a specified cause

Applicable To

  • • Ulcerative oral mucositis

Important Notes

  • • Ensure documentation specifies the absence of a specific cause if using this code.

Mucositis (ulcerative) due to antineoplastic therapy

Billable Code
K12.31
Billable

Diagnostic Criteria

  • • Documentation of chemotherapy as the cause
  • • Presence of ulcerative lesions in the oral cavity

Applicable To

  • • Chemotherapy-induced oral mucositis

Important Notes

  • • Ensure chemotherapy is documented as the cause.

Mucositis (ulcerative) due to radiation

Billable Code
K12.33
Billable

Diagnostic Criteria

  • • Documentation of radiation therapy as the cause
  • • Presence of ulcerative lesions in the oral cavity

Applicable To

  • • Radiation-induced oral mucositis

Important Notes

  • • Ensure radiation is documented as the cause.

Gastrointestinal mucositis (ulcerative)

Billable Code
K92.81
Billable

Diagnostic Criteria

  • • Presence of ulcerative lesions in the gastrointestinal tract
  • • Documentation of drug therapy as the cause

Applicable To

  • • Drug-induced gastrointestinal mucositis

Important Notes

  • • Ensure documentation specifies the gastrointestinal location and drug cause.
Ancillary Codes

Additional codes that may be used with this diagnosis

T45.1X5

Adverse effect of antineoplastic and immunosuppressive drugs

Use to specify adverse effects of chemotherapy.

Y84.2

Radiological procedure and radiotherapy as the cause of abnormal reaction

Use to specify radiation exposure.

Frequently Asked Questions

What is the ICD-10 code for chemotherapy-induced mucositis?

The ICD-10 code for chemotherapy-induced mucositis is K12.31. It is used when mucositis is directly linked to antineoplastic therapy.

How is radiation-induced mucositis coded?

Radiation-induced mucositis is coded as K12.33, with an additional code Y84.2 for radiation exposure.

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