ICD-10 · PDGM grouping
J01 Acute sinusitis
All 14 codes in the J01 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
14
Can lead a claim
14
Cannot lead a claim
0
What CMS assigns to J01
All 14 codes group to MMTA - Other. None of the 14 is assigned a comorbidity subgroup. Every code can lead a claim.
Every code in J01
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 |
|---|---|---|---|---|
| J01.0 Acute maxillary sinusitis | ||||
| J01.00 | Acute maxillary sinusitis, unspecified | Can lead a claim | A | None |
| J01.01 | Acute recurrent maxillary sinusitis | Can lead a claim | A | None |
| J01.1 Acute frontal sinusitis | ||||
| J01.10 | Acute frontal sinusitis, unspecified | Can lead a claim | A | None |
| J01.11 | Acute recurrent frontal sinusitis | Can lead a claim | A | None |
| J01.2 Acute ethmoidal sinusitis | ||||
| J01.20 | Acute ethmoidal sinusitis, unspecified | Can lead a claim | A | None |
| J01.21 | Acute recurrent ethmoidal sinusitis | Can lead a claim | A | None |
| J01.3 Acute sphenoidal sinusitis | ||||
| J01.30 | Acute sphenoidal sinusitis, unspecified | Can lead a claim | A | None |
| J01.31 | Acute recurrent sphenoidal sinusitis | Can lead a claim | A | None |
| J01.4 Acute pansinusitis | ||||
| J01.40 | Acute pansinusitis, unspecified | Can lead a claim | A | None |
| J01.41 | Acute recurrent pansinusitis | Can lead a claim | A | None |
| J01.8 Other acute sinusitis | ||||
| J01.80 | Other acute sinusitis | Can lead a claim | A | None |
| J01.81 | Other acute recurrent sinusitis | Can lead a claim | A | None |
| J01.9 Acute sinusitis, unspecified | ||||
| J01.90 | Acute sinusitis, unspecified | Can lead a claim | A | None |
| J01.91 | Acute recurrent sinusitis, unspecified | Can lead a claim | A | 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.
The monthly home health regs digest
What CMS changed, what's due next, and what to do about it — one email a month, no fluff. Read the first issue