ICDcodes.org
FY2027

L98.A121 — Non-pressure chronic ulcer of left upper arm limited to breakdown of skin

Billable

Is L98.A121 billable?

Yes — L98.A121 is billable for FY2027. L98.A121 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. L98.A121 may be submitted for encounters from October 1, 2026 through September 30, 2027.

L98.A121 at a glance

CodeL98.A121
DescriptionNon-pressure chronic ulcer of left upper arm limited to breakdown of skin
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does L98.A121 group to?

L98.A121 sits in MDC 09 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 573Skin Graft for Skin Ulcer or Cellulitis with MCCsurgical
  • 574Skin Graft for Skin Ulcer or Cellulitis with CCsurgical
  • 575Skin Graft for Skin Ulcer or Cellulitis without CC/MCCsurgical

How is L98.A121 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to L98.A121. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative › upper limb › upper arm › left › with › skin breakdown only

Excludes2 — not included here — inherited from Chapter 12

The conditions below are not part of L98.A121, but a patient may have both at the same time. When documentation supports it, L98.A121 and the excluded code may both be reported.

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • lipomelanotic reticulosis (I89.8)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • viral warts (B07.-)

Excludes2 — not included here — inherited from L98.A

The conditions below are not part of L98.A121, but a patient may have both at the same time. When documentation supports it, L98.A121 and the excluded code may both be reported.

  • gangrene (I96)
  • pressure ulcer (pressure area) (L89.-)
  • skin infections (L00-L08)
  • specific infections classified to A00-B99
  • ulcer of lower limb NEC (L97.-)
  • varicose ulcer (I83.0-I83.93)

How long has L98.A121 existed?

L98.A121 first appears in FY2026.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

What other codes are in the L98.A12 family? (7)