ICD-10-CM category
L03: Cellulitis and acute lymphangitis
Codes under L03 (Cellulitis and acute lymphangitis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| L03.0 | Cellulitis and acute lymphangitis of finger and toe | — |
| L03.0 | Cellulitis and acute lymphangitis of finger and toe | — |
| L03.01 | Cellulitis of finger | — |
| L03.01 | Cellulitis of finger | — |
| L03.1 | Cellulitis and acute lymphangitis of other parts of limb | — |
| L03.1 | Cellulitis and acute lymphangitis of other parts of limb | — |
| L03.02 | Acute lymphangitis of finger | — |
| L03.02 | Acute lymphangitis of finger | — |
| L03.2 | Cellulitis and acute lymphangitis of face and neck | — |
| L03.2 | Cellulitis and acute lymphangitis of face and neck | — |
| L03.03 | Cellulitis of toe | — |
| L03.03 | Cellulitis of toe | — |
| L03.3 | Cellulitis and acute lymphangitis of trunk | — |
| L03.3 | Cellulitis and acute lymphangitis of trunk | — |
| L03.04 | Acute lymphangitis of toe | — |
| L03.04 | Acute lymphangitis of toe | — |
| L03.8 | Cellulitis and acute lymphangitis of other sites | — |
| L03.8 | Cellulitis and acute lymphangitis of other sites | — |
| L03.9 | Cellulitis and acute lymphangitis, unspecified | — |
| L03.9 | Cellulitis and acute lymphangitis, unspecified | — |
| L03.011 | Cellulitis of right finger | ✓ |
| L03.011 | Cellulitis of right finger | ✓ |
| L03.11 | Cellulitis of other parts of limb | — |
| L03.11 | Cellulitis of other parts of limb | — |
| L03.012 | Cellulitis of left finger | ✓ |
| L03.012 | Cellulitis of left finger | ✓ |
| L03.12 | Acute lymphangitis of other parts of limb | — |
| L03.12 | Acute lymphangitis of other parts of limb | — |
| L03.019 | Cellulitis of unspecified finger | ✓ |
| L03.019 | Cellulitis of unspecified finger | ✓ |
| L03.021 | Acute lymphangitis of right finger | ✓ |
| L03.021 | Acute lymphangitis of right finger | ✓ |
| L03.21 | Cellulitis and acute lymphangitis of face | — |
| L03.21 | Cellulitis and acute lymphangitis of face | — |
| L03.022 | Acute lymphangitis of left finger | ✓ |
| L03.022 | Acute lymphangitis of left finger | ✓ |
| L03.22 | Cellulitis and acute lymphangitis of neck | — |
| L03.22 | Cellulitis and acute lymphangitis of neck | — |
| L03.029 | Acute lymphangitis of unspecified finger | ✓ |
| L03.029 | Acute lymphangitis of unspecified finger | ✓ |
| L03.031 | Cellulitis of right toe | ✓ |
| L03.031 | Cellulitis of right toe | ✓ |
| L03.31 | Cellulitis of trunk | — |
| L03.31 | Cellulitis of trunk | — |
| L03.31A | Cellulitis of flank | ✓ |
| L03.31A | Cellulitis of flank | ✓ |
| L03.032 | Cellulitis of left toe | ✓ |
| L03.032 | Cellulitis of left toe | ✓ |
| L03.32 | Acute lymphangitis of trunk | — |
| L03.32 | Acute lymphangitis of trunk | — |
| L03.32A | Acute lymphangitis of flank | ✓ |
| L03.32A | Acute lymphangitis of flank | ✓ |
| L03.039 | Cellulitis of unspecified toe | ✓ |
| L03.039 | Cellulitis of unspecified toe | ✓ |
| L03.041 | Acute lymphangitis of right toe | ✓ |
| L03.041 | Acute lymphangitis of right toe | ✓ |
| L03.042 | Acute lymphangitis of left toe | ✓ |
| L03.042 | Acute lymphangitis of left toe | ✓ |
| L03.049 | Acute lymphangitis of unspecified toe | ✓ |
| L03.049 | Acute lymphangitis of unspecified toe | ✓ |
| L03.81 | Cellulitis of other sites | — |
| L03.81 | Cellulitis of other sites | — |
| L03.89 | Acute lymphangitis of other sites | — |
| L03.89 | Acute lymphangitis of other sites | — |
| L03.90 | Cellulitis, unspecified | ✓ |
| L03.90 | Cellulitis, unspecified | ✓ |
| L03.91 | Acute lymphangitis, unspecified | ✓ |
| L03.91 | Acute lymphangitis, unspecified | ✓ |
| L03.111 | Cellulitis of right axilla | ✓ |
| L03.111 | Cellulitis of right axilla | ✓ |
| L03.112 | Cellulitis of left axilla | ✓ |
| L03.112 | Cellulitis of left axilla | ✓ |
| L03.113 | Cellulitis of right upper limb | ✓ |
| L03.113 | Cellulitis of right upper limb | ✓ |
| L03.114 | Cellulitis of left upper limb | ✓ |
| L03.114 | Cellulitis of left upper limb | ✓ |
| L03.115 | Cellulitis of right lower limb | ✓ |
| L03.115 | Cellulitis of right lower limb | ✓ |
| L03.116 | Cellulitis of left lower limb | ✓ |
| L03.116 | Cellulitis of left lower limb | ✓ |
| L03.119 | Cellulitis of unspecified part of limb | ✓ |
| L03.119 | Cellulitis of unspecified part of limb | ✓ |
| L03.121 | Acute lymphangitis of right axilla | ✓ |
| L03.121 | Acute lymphangitis of right axilla | ✓ |
| L03.122 | Acute lymphangitis of left axilla | ✓ |
| L03.122 | Acute lymphangitis of left axilla | ✓ |
| L03.123 | Acute lymphangitis of right upper limb | ✓ |
| L03.123 | Acute lymphangitis of right upper limb | ✓ |
| L03.124 | Acute lymphangitis of left upper limb | ✓ |
| L03.124 | Acute lymphangitis of left upper limb | ✓ |
| L03.125 | Acute lymphangitis of right lower limb | ✓ |
| L03.125 | Acute lymphangitis of right lower limb | ✓ |
| L03.126 | Acute lymphangitis of left lower limb | ✓ |
| L03.126 | Acute lymphangitis of left lower limb | ✓ |
| L03.129 | Acute lymphangitis of unspecified part of limb | ✓ |
| L03.129 | Acute lymphangitis of unspecified part of limb | ✓ |
| L03.211 | Cellulitis of face | ✓ |
| L03.211 | Cellulitis of face | ✓ |
| L03.212 | Acute lymphangitis of face | ✓ |
| L03.212 | Acute lymphangitis of face | ✓ |
| L03.213 | Periorbital cellulitis | ✓ |
| L03.213 | Periorbital cellulitis | ✓ |
| L03.221 | Cellulitis of neck | ✓ |
| L03.221 | Cellulitis of neck | ✓ |
| L03.222 | Acute lymphangitis of neck | ✓ |
| L03.222 | Acute lymphangitis of neck | ✓ |
| L03.311 | Cellulitis of abdominal wall | ✓ |
| L03.311 | Cellulitis of abdominal wall | ✓ |
| L03.312 | Cellulitis of back [any part except buttock] | ✓ |
| L03.312 | Cellulitis of back [any part except buttock and flank] | ✓ |
| L03.313 | Cellulitis of chest wall | ✓ |
| L03.313 | Cellulitis of chest wall | ✓ |
| L03.314 | Cellulitis of groin | ✓ |
| L03.314 | Cellulitis of groin | ✓ |
| L03.315 | Cellulitis of perineum | ✓ |
| L03.315 | Cellulitis of perineum | ✓ |
| L03.316 | Cellulitis of umbilicus | ✓ |
| L03.316 | Cellulitis of umbilicus | ✓ |
| L03.317 | Cellulitis of buttock | ✓ |
| L03.317 | Cellulitis of buttock | ✓ |
| L03.319 | Cellulitis of trunk, unspecified | ✓ |
| L03.319 | Cellulitis of trunk, unspecified | ✓ |
| L03.321 | Acute lymphangitis of abdominal wall | ✓ |
| L03.321 | Acute lymphangitis of abdominal wall | ✓ |
| L03.322 | Acute lymphangitis of back [any part except buttock] | ✓ |
| L03.322 | Acute lymphangitis of back [any part except buttock and flank] | ✓ |
| L03.323 | Acute lymphangitis of chest wall | ✓ |
| L03.323 | Acute lymphangitis of chest wall | ✓ |
| L03.324 | Acute lymphangitis of groin | ✓ |
| L03.324 | Acute lymphangitis of groin | ✓ |
| L03.325 | Acute lymphangitis of perineum | ✓ |
| L03.325 | Acute lymphangitis of perineum | ✓ |
| L03.326 | Acute lymphangitis of umbilicus | ✓ |
| L03.326 | Acute lymphangitis of umbilicus | ✓ |
| L03.327 | Acute lymphangitis of buttock | ✓ |
| L03.327 | Acute lymphangitis of buttock | ✓ |
| L03.329 | Acute lymphangitis of trunk, unspecified | ✓ |
| L03.329 | Acute lymphangitis of trunk, unspecified | ✓ |
| L03.811 | Cellulitis of head [any part, except face] | ✓ |
| L03.811 | Cellulitis of head [any part, except face] | ✓ |
| L03.818 | Cellulitis of other sites | ✓ |
| L03.818 | Cellulitis of other sites | ✓ |
| L03.891 | Acute lymphangitis of head [any part, except face] | ✓ |
| L03.891 | Acute lymphangitis of head [any part, except face] | ✓ |
| L03.898 | Acute lymphangitis of other sites | ✓ |
| L03.898 | Acute lymphangitis of other sites | ✓ |
Frequently asked questions
What is ICD-10-CM code L03?
L03 is an ICD-10-CM category covering Cellulitis and acute lymphangitis. It contains 146 more specific diagnosis codes, 110 of which are billable.
Is L03 a billable code?
No — L03 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example L03.0 — Cellulitis and acute lymphangitis of finger and toe). 110 of the 146 codes under L03 are billable.
What codes fall under L03?
L03 includes L03.0, L03.0, L03.01, L03.01, L03.1, plus 141 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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