L03.33 ICD-10-CA code: Cellulitis of groin

L03.33 is the ICD-10-CA code for “Cellulitis of groin” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

L03.33

Cellulitis of groin

ICD-10-CA · Canada · Also written L0333

Index terms

Entries in CIHI’s alphabetical index that lead to L03.33. Searching the index by the condition the note names is how coders reach this code.

  • Cellulitis (diffuse) (with lymphangitis), groin

Notes for L03.33

As CIHI prints them, with any note L03.33 takes from the headings above it.

Includes

Use additional code

Add a code for this detail when the note documents it.

Excludes

Conditions classified elsewhere.

  • Omphalitis of newborn (P38)From L03.3 Cellulitis of trunk
  • 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 L03.33 sits

  1. 1ChapterChapter 12: Diseases of the skin and subcutaneous tissue (L00-L99)
  2. 2Block L00-L08Infections of the skin and subcutaneous tissue
  3. 3Category L03Cellulitis
  4. 4Subcategory L03.3Cellulitis of trunk
  5. 5Valid code L03.33Cellulitis of groin

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 L03.33 mean?

L03.33 is the ICD-10-CA code for “Cellulitis of groin” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is L03.33 in ICD-10-CA?

L03.33 sits under L03.3 Cellulitis of trunk, 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 L03.33?

ICD-10-CA lists Excludes, Includes, Use additional code notes for L03.33, 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.