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ICD-10-CM Current in FY 2027

L51.9

Erythema multiforme, unspecified

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where L51.9 sits in the official hierarchy. Each level is the code it is classified under.

  1. L51 Parent Erythema multiforme
  2. L51.9 This code Erythema multiforme, unspecified

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Inclusion Terms

Erythema iris

Inclusion Terms

Erythema multiforme major NOS

Inclusion Terms

Erythema multiforme minor NOS

Inclusion Terms

Herpes iris

Excludes1

staphylococcal scalded skin syndrome ( L00 )

Inherited from L51 — Erythema multiforme

Excludes1

Ritter's disease ( L00 )

Inherited from L51 — Erythema multiforme

Use Additional Code

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Inherited from L51 — Erythema multiforme

Use Additional Code

code to identify associated manifestations, such as:

Inherited from L51 — Erythema multiforme

Use Additional Code

arthropathy associated with dermatological disorders ( M14.8- )

Inherited from L51 — Erythema multiforme

Use Additional Code

conjunctival edema ( H11.42 )

Inherited from L51 — Erythema multiforme

Use Additional Code

conjunctivitis ( H10.22- )

Inherited from L51 — Erythema multiforme

Use Additional Code

corneal scars and opacities ( H17 .-)

Inherited from L51 — Erythema multiforme

Use Additional Code

corneal ulcer ( H16.0- )

Inherited from L51 — Erythema multiforme

Use Additional Code

edema of eyelid ( H02.84- )

Inherited from L51 — Erythema multiforme

Use Additional Code

inflammation of eyelid ( H01.8- )

Inherited from L51 — Erythema multiforme

Use Additional Code

keratoconjunctivitis sicca ( H16.22- )

Inherited from L51 — Erythema multiforme

Use Additional Code

mechanical lagophthalmos ( H02.22- )

Inherited from L51 — Erythema multiforme

Use Additional Code

stomatitis ( K12 .-)

Inherited from L51 — Erythema multiforme

Use Additional Code

symblepharon ( H11.23- )

Inherited from L51 — Erythema multiforme

Use Additional Code

code to identify percentage of skin exfoliation ( L49 .-)

Inherited from L51 — Erythema multiforme

Version History

How L51.9 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Erythema multiforme, unspecified

  2. FY 2026 Effective

    Unchanged

    Erythema multiforme, unspecified

Related Codes

Other codes under L51

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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