L03.91
Billable codeAcute lymphangitis, unspecified
The ICD-10 code for acute lymphangitis, unspecified is L03.91.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- lymphangitis NOS (I89.1)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- L03.90Cellulitis, unspecified
- L03.91Acute lymphangitis, unspecified
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 6829Approximate match
Associated MS-DRGs
L03.91 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 564Other Musculoskeletal System and Connective Tissue Diagnoses with MCC
- DRG 565Other Musculoskeletal System and Connective Tissue Diagnoses with CC
- DRG 566Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCC
- DRG 573Skin Graft for Skin Ulcer or Cellulitis with MCC
- DRG 574Skin Graft for Skin Ulcer or Cellulitis with CC
- DRG 575Skin Graft for Skin Ulcer or Cellulitis without CC/MCC
- DRG 576Skin Graft Except for Skin Ulcer or Cellulitis with MCC
- DRG 577Skin Graft Except for Skin Ulcer or Cellulitis with CC
- DRG 578Skin Graft Except for Skin Ulcer or Cellulitis without CC/MCC
- DRG 602Cellulitis with MCC
- DRG 603Cellulitis without MCC