FY2027 ICD-10-CM reference
L88: Pyoderma gangrenosum
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Pyoderma gangrenosum. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Billable code. Verified against the official FY2027 order file.
Oct to Dec 2026, PY2027
CMS-HCC V28
Mapped- HCC 387Pemphigus, Pemphigoid, and Other Specified Au...Coefficient 0.406 (CNA, PY2027)
CMS-HCC V24
Not used by CMSESRD
No CMS categoryRxHCC
Mapped- HCC 314Pemphigus, Pemphigoid, and Other Bullous Skin...Coefficient 0.295 (MA-PD CE non-low aged, PY2027)
PACE (CMS-HCC V22 component)
No CMS categoryPACE ESRD (ESRD V21 component)
No CMS categoryPACE RxHCC (2018/2019 component)
Mapped- HCC 314Pemphigus, Pemphigoid, and Other Bullous Skin...
Jan to Sep 2027, PY2028
CMS-HCC V28
Not published by CMSCMS-HCC V24
Not published by CMSESRD
Not published by CMSRxHCC
Not published by CMSPACE (CMS-HCC V22 component)
Not published by CMSPACE ESRD (ESRD V21 component)
Not published by CMSPACE RxHCC component
Not published by CMSOct to Dec 2026, BY2026
HHS-HCC
PendingJan to Sep 2027, BY2027
HHS-HCC
Not published by CMSFY2027 Tabular instructions
Instructions below include applicable chapter, section and parent-code notes. Each note identifies where it appears in the official source.
Excludes2
certain conditions originating in the perinatal period (P04-P96)
Source: L00-L99 (chapter, inherited).
Excludes2
certain infectious and parasitic diseases (A00-B99)
Source: L00-L99 (chapter, inherited).
Excludes2
complications of pregnancy, childbirth and the puerperium (O00-O9A)
Source: L00-L99 (chapter, inherited).
Excludes2
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
Source: L00-L99 (chapter, inherited).
Excludes2
endocrine, nutritional and metabolic diseases (E00-E88)
Source: L00-L99 (chapter, inherited).
Excludes2
lipomelanotic reticulosis (I89.8)
Source: L00-L99 (chapter, inherited).
Excludes2
neoplasms (C00-D49)
Source: L00-L99 (chapter, inherited).
Excludes2
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Source: L00-L99 (chapter, inherited).
Excludes2
systemic connective tissue disorders (M30-M36)
Source: L00-L99 (chapter, inherited).
Excludes2
viral warts (B07.-)
Source: L00-L99 (chapter, inherited).
Instructional note
Phagedenic pyoderma
Source: L88 (category, direct).
Excludes1
dermatitis gangrenosa (L08.0)
Source: L88 (category, direct).
Compare the FY2027 additions, removals and billable-status changes
What does L88 mean in FY2027?
The official ICD-10-CM descriptor is Pyoderma gangrenosum. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is L88 billable in FY2027?
The FY2027 order file marks L88 as billable. Check the complete Tabular instructions and documentation before assigning it.
Does L88 map to an HCC?
Oct to Dec 2026, PY2027: CMS-HCC V28 HCC 387 (Pemphigus, Pemphigoid, and Other Specified Autoimmune Skin Disorders); CMS-HCC V24: Not used by CMS; ESRD: No CMS category; RxHCC HCC 314 (Pemphigus, Pemphigoid, and Other Bullous Skin Disorders). Jan to Sep 2027, PY2028: CMS-HCC V28: Not published by CMS; CMS-HCC V24: Not published by CMS; ESRD: Not published by CMS; RxHCC: Not published by CMS. Oct to Dec 2026, BY2026: HHS-HCC: Pending. Jan to Sep 2027, BY2027: HHS-HCC: Not published by CMS. Base coefficients are reference values, not a member total.
Source: CMS FY2027 ICD-10-CM order file. Payment model: CMS CY 2027 Rate Announcement. Read the FY2027 Official Guidelines.
Review the FY2026 April edition