FY2027 ICD-10-CM reference
L98.A311: Non-pressure chronic ulcer of right hand limited to breakdown of skin
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Non-pressure chronic ulcer of right hand limited to breakdown of skin. 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.
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).
Instructional note
Chronic ulcer of upper limb NOS
Source: L98.A (self, inherited).
Instructional note
Non-healing ulcer of upper limb
Source: L98.A (self, inherited).
Instructional note
Ulcer of upper limb NEC
Source: L98.A (self, inherited).
Excludes2
gangrene (I96)
Source: L98.A (self, inherited).
Excludes2
pressure ulcer (pressure area) (L89.-)
Source: L98.A (self, inherited).
Excludes2
skin infections (L00-L08)
Source: L98.A (self, inherited).
Excludes2
specific infections classified to A00-B99
Source: L98.A (self, inherited).
Excludes2
ulcer of lower limb NEC (L97.-)
Source: L98.A (self, inherited).
Excludes2
varicose ulcer (I83.0-I83.93)
Source: L98.A (self, inherited).
Compare the FY2027 additions, removals and billable-status changes
What does L98.A311 mean in FY2027?
The official ICD-10-CM descriptor is Non-pressure chronic ulcer of right hand limited to breakdown of skin. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is L98.A311 billable in FY2027?
The FY2027 order file marks L98.A311 as billable. Check the complete Tabular instructions and documentation before assigning it.
Does L98.A311 map to an HCC?
In the CMS 2027 Initial ICD-10-CM Mappings (payment year 2027, 2026 dates of service), L98.A311 maps to CMS-HCC V28 HCC 383 (Chronic Ulcer of Skin, Except Pressure, Not Specified as Through to Bone or Muscle). For 2027 dates of service, CMS has not yet published the payment year 2028 mappings. Under the PY2026 CMS mapping; CMS 2027 initial file unchanged: ESRD HCC 161; RxHCC HCC 311. Coefficients for these models are pending verification for payment year 2027. CMS-HCC V24, PACE and HHS-HCC mappings are still pending verification for FY2027.
Source: CMS FY2027 ICD-10-CM order file. Read the FY2027 Official Guidelines.
Review the FY2026 April edition