ICD-10 · PDGM grouping
L05 Pilonidal cyst and sinus
All 4 codes in the L05 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
4
Can lead a claim
4
Cannot lead a claim
0
What CMS assigns to L05
All 4 codes group to Wound. None of the 4 is assigned a comorbidity subgroup. Every code can lead a claim.
Every code in L05
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 |
|---|---|---|---|---|
| L05.0 Pilonidal cyst and sinus with abscess | ||||
| L05.01 | Pilonidal cyst with abscess | Can lead a claim | C | None |
| L05.02 | Pilonidal sinus with abscess | Can lead a claim | C | None |
| L05.9 Pilonidal cyst and sinus without abscess | ||||
| L05.91 | Pilonidal cyst without abscess | Can lead a claim | C | None |
| L05.92 | Pilonidal sinus without abscess | Can lead a claim | C | 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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