L03.121 — Acute lymphangitis of right axilla
Is L03.121 billable?
Yes — L03.121 is billable for FY2027. L03.121 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. L03.121 may be submitted for encounters from October 1, 2026 through September 30, 2027.
L03.121 at a glance
| Code | L03.121 |
|---|---|
| Description | Acute lymphangitis of right axilla |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does L03.121 group to?
L03.121 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
As a secondary diagnosis, L03.121 is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is L03.121 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under L03.12, the nearest indexed parent of L03.121. Use them to find the family, then select the specific code.
- Lymphangitis › acute › axilla
- Lymphangitis › acute › lower limb
- Lymphangitis › acute › upper limb
Use additional code — inherited from L00-L08
Report an additional code alongside L03.121 to fully describe the condition. L03.121 is sequenced first.
- code (B95-B97) to identify infectious agent.
Excludes2 — not included here — inherited from Chapter 12
The conditions below are not part of L03.121, but a patient may have both at the same time. When documentation supports it, L03.121 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 L00-L08
The conditions below are not part of L03.121, but a patient may have both at the same time. When documentation supports it, L03.121 and the excluded code may both be reported.
- hordeolum (H00.0)
- infective dermatitis (L30.3)
- local infections of skin classified in Chapter 1
- lupus panniculitis (L93.2)
- panniculitis NOS (M79.3)
- panniculitis of neck and back (M54.0-)
- Perlèche NOS (K13.0)
- Perlèche due to candidiasis (B37.0)
- Perlèche due to riboflavin deficiency (E53.0)
- pyogenic granuloma (L98.0)
- relapsing panniculitis [Weber-Christian] (M35.6)
- viral warts (B07.-)
- zoster (B02.-)
Excludes2 — not included here — inherited from L03
The conditions below are not part of L03.121, but a patient may have both at the same time. When documentation supports it, L03.121 and the excluded code may both be reported.
- cellulitis of anal and rectal region (K61.-)
- cellulitis of external auditory canal (H60.1)
- cellulitis of eyelid (H00.0)
- cellulitis of female external genital organs (N76.4)
- cellulitis of lacrimal apparatus (H04.3)
- cellulitis of male external genital organs (N48.2, N49.-)
- cellulitis of mouth (K12.2)
- cellulitis of nose (J34.0)
- eosinophilic cellulitis [Wells] (L98.3)
- febrile neutrophilic dermatosis [Sweet] (L98.2)
- lymphangitis (chronic) (subacute) (I89.1)
Excludes2 — not included here — inherited from L03.12
The conditions below are not part of L03.121, but a patient may have both at the same time. When documentation supports it, L03.121 and the excluded code may both be reported.
How long has L03.121 existed?
L03.121 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.