L03.31
Cellulitis of trunk
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 40 never code together
L03.31code
L03code
Excludes2
- cellulitis of anal and rectal region (K61.-)K61.-
- cellulitis of external auditory canal (H60.1)H60.1
- cellulitis of eyelid (H00.0)H00.0
- cellulitis of female external genital organs (N76.4)N76.4
- cellulitis of lacrimal apparatus (H04.3)H04.3
- cellulitis of male external genital organs (N48.2, N49.-)N48.2N49.-
- cellulitis of mouth (K12.2)K12.2
- cellulitis of nose (J34.0)J34.0
- eosinophilic cellulitis [Wells] (L98.3)L98.3
- febrile neutrophilic dermatosis [Sweet] (L98.2)L98.2
- lymphangitis (chronic) (subacute) (I89.1)I89.1
L00-L08block
Excludes2
- hordeolum (H00.0)H00.0
- infective dermatitis (L30.3)L30.3
- local infections of skin classified in Chapter 1
- lupus panniculitis (L93.2)L93.2
- panniculitis NOS (M79.3)M79.3
- panniculitis of neck and back (M54.0-)M54.0-
- Perlèche NOS (K13.0)K13.0
- Perlèche due to candidiasis (B37.0)B37.0
- Perlèche due to riboflavin deficiency (E53.0)E53.0
- pyogenic granuloma (L98.0)L98.0
- relapsing panniculitis [Weber-Christian] (M35.6)M35.6
- viral warts (B07.-)B07.-
- zoster (B02.-)B02.-
L00-L99chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- lipomelanotic reticulosis (I89.8)I89.8
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
- systemic connective tissue disorders (M30-M36)M30-M36
- viral warts (B07.-)B07.-
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 1
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 1 same parent — L03.3
Subordinate codes 9
L03.311 Cellulitis of abdominal wall L03.312 Cellulitis of back [any part except buttock] L03.313 Cellulitis of chest wall L03.314 Cellulitis of groin L03.315 Cellulitis of perineum L03.316 Cellulitis of umbilicus L03.317 Cellulitis of buttock L03.319 Cellulitis of trunk, unspecified L03.31A Cellulitis of flank
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.