FY2027 ICD-10-CM reference
L40: Psoriasis
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Psoriasis. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Nonbillable heading. Verified against the official FY2027 order file.
CMS-HCC V28
Not applicable to this nonbillable heading
CMS-HCC V24
Not applicable to this nonbillable heading
ESRD
Not applicable to this nonbillable heading
PACE
Not applicable to this nonbillable heading
RxHCC
Not applicable to this nonbillable heading
HHS-HCC
Not applicable to this nonbillable heading
More specific FY2027 codes
- L40.0: Psoriasis vulgarisBillable code
- L40.1: Generalized pustular psoriasisBillable code
- L40.2: Acrodermatitis continuaBillable code
- L40.3: Pustulosis palmaris et plantarisBillable code
- L40.4: Guttate psoriasisBillable code
- L40.5: Arthropathic psoriasisNonbillable heading
- L40.8: Other psoriasisBillable code
- L40.9: Psoriasis, unspecifiedBillable code
FY2027 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).
Compare the FY2027 additions, removals and billable-status changes
What does L40 mean in FY2027?
The official ICD-10-CM descriptor is Psoriasis. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is L40 billable in FY2027?
The FY2027 order file marks L40 as a nonbillable heading. Select a complete billable child code.
Does L40 map to an HCC?
Risk-model mapping is not applicable to this nonbillable heading. Check a complete billable child code.
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