ICD-10 · PDGM grouping
J34 Other and unspecified disorders of nose and nasal sinuses
All 19 codes in the J34 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
19
Can lead a claim
14
Cannot lead a claim
5
What CMS assigns to J34
14 of the 19 codes group to MMTA - Other (12) and Wound (2); 5 are assigned no clinical group. None of the 19 is assigned a comorbidity subgroup. 14 of the 19 can lead a claim. CMS attaches a code-first note to 7 of the 19.
Code first
CMS grouper convention 85, on J34.8200, J34.8201, J34.8202, J34.8210, J34.8211, J34.8212, J34.829. Code first:
- deviated nasal septum (J34.2)
- underlying cause, such as:
Every code in J34
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| J34.0 | Abscess, furuncle and carbuncle of nose | Can lead a claim | C | None |
| J34.1 | Cyst and mucocele of nose and nasal sinus | Can lead a claim | C | None |
| J34.2 | Deviated nasal septum | Can lead a claim | A | None |
| J34.3 | Hypertrophy of nasal turbinates | Can lead a claim | A | None |
| J34.8 Other specified disorders of nose and nasal sinuses | ||||
| J34.81 | Nasal mucositis (ulcerative) | Can lead a claim | A | None |
| J34.82 Nasal valve collapse | ||||
| J34.820 Internal nasal valve collapse | ||||
| J34.8200 | Internal nasal valve collapse, unspecified | Cannot lead a claimUnspecified diagnosis code not acceptable as principal diagnosis since there is a more specific code available that would further accurately identify the condition | None | None |
| J34.8201 | Internal nasal valve collapse, static | Can lead a claim, code first applies | A | None |
| J34.8202 | Internal nasal valve collapse, dynamic | Can lead a claim, code first applies | A | None |
| J34.821 External nasal valve collapse | ||||
| J34.8210 | External nasal valve collapse, unspecified | Cannot lead a claimUnspecified diagnosis code not acceptable as principal diagnosis since there is a more specific code available that would further accurately identify the condition | None | None |
| J34.8211 | External nasal valve collapse, static | Can lead a claim, code first applies | A | None |
| J34.8212 | External nasal valve collapse, dynamic | Can lead a claim, code first applies | A | None |
| J34.829 | Nasal valve collapse, unspecified | Cannot lead a claimUnspecified diagnosis code not acceptable as principal diagnosis since there is a more specific code available that would further accurately identify the condition | None | None |
| J34.83 Odontogenic sinusitis | ||||
| J34.830 | Odontogenic sinusitis, maxillary sinus | Can lead a claim | A | None |
| J34.831 | Odontogenic sinusitis, ethmoid sinus | Can lead a claim | A | None |
| J34.832 | Odontogenic sinusitis, frontal sinus | Can lead a claim | A | None |
| J34.833 | Odontogenic sinusitis, sphenoid sinus | Can lead a claim | A | None |
| J34.839 | Odontogenic sinusitis, unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| J34.89 | Other specified disorders of nose and nasal sinuses | Can lead a claim | A | None |
| J34.9 | Unspecified disorder of nose and nasal sinuses | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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