L03.10 ICD-10-CA code: Cellulitis of upper limb
L03.10 is the ICD-10-CA code for “Cellulitis of upper limb” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
L03.10Cellulitis of upper limb
ICD-10-CA · Canada · Also written L0310
Index terms
Entries in CIHI’s alphabetical index that lead to L03.10. Searching the index by the condition the note names is how coders reach this code.
- Septic, arm (with lymphangitis)
- Septic, hand (with lymphangitis)
- Cellulitis (diffuse) (with lymphangitis), wrist
- Cellulitis (diffuse) (with lymphangitis), axilla
- Cellulitis (diffuse) (with lymphangitis), shoulder
- Cellulitis (diffuse) (with lymphangitis), hand, except finger or thumb
- Cellulitis (diffuse) (with lymphangitis), arm (any part, except finger or thumb)
Notes for L03.10
As CIHI prints them, with any note L03.10 takes from the headings above it.
Includes
- ArmAxillaHand NOSShoulderWrist
- Acute lymphangitisFrom L03 Cellulitis
Use additional code
Add a code for this detail when the note documents it.
- Use additional code (B95-B97) to identify infectious agent.From L00-L08 Infections of the skin and subcutaneous tissue
Excludes
Conditions classified elsewhere.
- Finger (L03.00)
- Cellulitis of:• anal and rectal regions (K61.-)• external• auditory canal (H60.1)• genital organs• female (N76.4)• male (N48.2,N49.-)• eyelid (H00.0)• lacrimal apparatus (H04.3)• mouth (K12.2)• nose (J34.0)eosinophilic cellulitis [Wells] (L98.3)febrile neutrophilic dermatosis [Sweet] (L98.2)lymphangitis (chronic)(subacute) (I89.1)From L03 Cellulitis
- Hordeolum (H00.0)infective dermatitis (L30.3)local infections of skin classified in Chapter I, such as:• erysipelas (A46)• erysipeloid (A26.-)• herpesviral [herpes simplex] infection (B00.-)• anogenital (A60.-)• molluscum contagiosum (B08.1)• mycoses (B35-B49)• pediculosis, acariasis and other infestations (B85-B89)• viral warts (B07)panniculitis (of):• NOS (M79.3)• lupus (L93.2)• neck and back (M54.0)• relapsing [Weber-Christian] (M35.6)perlèche (due to):• NOS (K13.0)• candidiasis (B37.-)• riboflavin deficiency (E53.0)pyogenic granuloma (L98.0)zoster (B02.-)From L00-L08 Infections of the skin and subcutaneous tissue
- Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)lipomelanotic reticulosis (I89.8)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)systemic connective tissue disorders (M30-M36)From Chapter 12: Diseases of the skin and subcutaneous tissue (L00-L99)
Where L03.10 sits
- 1ChapterChapter 12: Diseases of the skin and subcutaneous tissue (L00-L99)
- 2Block L00-L08Infections of the skin and subcutaneous tissue
- 3Category L03Cellulitis
- 4Subcategory L03.1Cellulitis of other parts of limb
- 5Valid code L03.10Cellulitis of upper limb
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does ICD-10-CA code L03.10 mean?
L03.10 is the ICD-10-CA code for “Cellulitis of upper limb” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is L03.10 in ICD-10-CA?
L03.10 sits under L03.1 Cellulitis of other parts of limb, within L03 Cellulitis, within L00-L08 Infections of the skin and subcutaneous tissue, within Chapter 12: Diseases of the skin and subcutaneous tissue (L00-L99).
What coding notes apply to L03.10?
ICD-10-CA lists Includes, Excludes, Use additional code notes for L03.10, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.