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L03.124

L03.124Acute lymphangitis of left upper limb

Billable / specific codeICD-10-CMleft

L03.124 is a billable, specific ICD-10-CM code for acute lymphangitis of left upper limb. It is valid for submission on a claim.

Risk adjustment

L03.124 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

L03.124 is named in 10 Medicare coverage policies 10 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A53057Billing and Coding: Home Health Occupational Therapy
  • A53058Billing and Coding: Home Health Physical Therapy
  • A53064Billing and Coding: Outpatient Occupational Therapy
  • A55909Billing and Coding: Wound Care

Related codes at this level

Codes that share L03.12. If L03.124 is not quite right, the correct code is usually one of these.

Questions about L03.124

Is L03.124 a billable ICD-10-CM code?
Yes. L03.124 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does L03.124 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.