L52 ICD-10-CM Code: Erythema nodosum
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
L52Erythema nodosum
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where L52 sits
- 1
Chapter 12
Diseases of the skin and subcutaneous tissue (L00-L99)
- 2
Section
Urticaria and erythema (L49-L54)
- 3
Category L52
Erythema nodosum
- 4
Code L52
Erythema nodosum
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for L52.
Code first
No “code first” instruction is listed for L52.
Use additional code
No “use additional code” instruction is listed for L52.
Excludes1
Conditions that should not be reported together with this code.
- tuberculous erythema nodosum (A18.4)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for L52.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code L52 mean?
L52 is the FY 2027 U.S. ICD-10-CM code for “Erythema nodosum.”
Is L52 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, L52 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is L52 located in ICD-10-CM?
L52 is listed in Chapter 12, Diseases of the skin and subcutaneous tissue (L00-L99), within Urticaria and erythema (L49-L54) (L49–L54), under category L52, Erythema nodosum.
What coding notes are listed for L52?
No inclusion terms are listed for L52 in this reference record. No code-first instruction is listed. Excludes1 notes: tuberculous erythema nodosum (A18.4). No Excludes2 note is listed.
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