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L03.891

L03.891Acute lymphangitis of head [any part, except face]

Billable / specific codeICD-10-CM

L03.891 is a billable, specific ICD-10-CM code for acute lymphangitis of head [any part, except face]. It is valid for submission on a claim.

Risk adjustment

L03.891 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

L03.891 is named in 5 Medicare coverage policies 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A55909Billing and Coding: Wound Care
  • A56766Billing and Coding: Incision and Drainage (I&D) of Abscess of Skin, Subcutaneous and Accessory Structures
  • A56775Billing and Coding: Magnetic Resonance Angiography
  • A57044Billing and Coding: Removal of Benign Skin Lesions

How L03.891 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to L03.891.

  • Lymphangitisacutehead NEC
  • Lymphangitisacutescalp(any part)

Related codes at this level

Codes that share L03.89. If L03.891 is not quite right, the correct code is usually one of these.

Questions about L03.891

Is L03.891 a billable ICD-10-CM code?
Yes. L03.891 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does L03.891 sit in the tabular list?
Diseases of the skin and subcutaneous tissue (L00-L99), in the block Infections of the skin and subcutaneous tissue (L00-L08).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.