L51.8

Other erythema multiforme

Billable / specific

L51.8 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Excludes1

Not coded here — never report together with this code.

  • Lyme disease (A69.2-) (from L51)
  • rosacea (L71.-) (from L51)
  • staphylococcal scalded skin syndrome (L00) (from L51)
  • Ritter's disease (L00) (from L51)

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96) (from L51)
  • certain infectious and parasitic diseases (A00-B99) (from L51)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from L51)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from L51)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from L51)
  • lipomelanotic reticulosis (I89.8) (from L51)
  • neoplasms (C00-D49) (from L51)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from L51)
  • systemic connective tissue disorders (M30-M36) (from L51)
  • viral warts (B07.-) (from L51)

Use additional code

Add a code to identify the following, if applicable.

  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) (from L51)
  • code to identify associated manifestations, such as: (from L51)
  • arthropathy associated with dermatological disorders (M14.8-) (from L51)
  • conjunctival edema (H11.42) (from L51)
  • conjunctivitis (H10.22-) (from L51)
  • corneal scars and opacities (H17.-) (from L51)
  • corneal ulcer (H16.0-) (from L51)
  • edema of eyelid (H02.84-) (from L51)
  • inflammation of eyelid (H01.8-) (from L51)
  • keratoconjunctivitis sicca (H16.22-) (from L51)
  • mechanical lagophthalmos (H02.22-) (from L51)
  • stomatitis (K12.-) (from L51)
  • symblepharon (H11.23-) (from L51)
  • code to identify percentage of skin exfoliation (L49.-) (from L51)

Also known as

  • Erythema, erythematous, multiforme, specified NEC

Parent code

  • L51Erythema multiformeHeader

Related codes

  • L51.0Nonbullous erythema multiformeBillable
  • L51.1Stevens-Johnson syndromeBillable
  • L51.2Toxic epidermal necrolysis [Lyell]Billable
  • L51.3Stevens-Johnson syndrome-toxic epidermal necrolysis overlap syndromeBillable
  • L51.9Erythema multiforme, unspecifiedBillable

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