J34.81 — Nasal mucositis (ulcerative)
J34.81 is a billable, specific ICD-10-CM code for nasal mucositis (ulcerative). It is valid for submission on a claim.
Excludes2 — not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
Code also
Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.
Risk adjustment
J34.81 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
J34.81 is named in 6 Medicare coverage policies — 6 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56464Billing and Coding: Flow Cytometry
- A56729Billing and Coding: Magnetic Resonance Imaging of the Head and Neck
- A57181Billing and Coding: Allergy Testing
- A57181Billing and Coding: Allergy Testing
How J34.81 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to J34.81.
- Mucositis›nasal
Related codes at this level
Codes that share J34.8. If J34.81 is not quite right, the correct code is usually one of these.
Questions about J34.81
- Is J34.81 a billable ICD-10-CM code?
- Yes. J34.81 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does J34.81 sit in the tabular list?
- Diseases of the respiratory system (J00-J99), in the block Other diseases of upper respiratory tract (J30-J39).