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ICD-10-CM Code L51.2
Toxic epidermal necrolysis [Lyell]

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

L51.2 is a billable ICD code used to specify a diagnosis of toxic epidermal necrolysis [Lyell]. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code L512 is used to code Toxic epidermal necrolysis

Toxic epidermal necrolysis (TEN), also known as Lyell's syndrome, is a rare, life-threatening skin condition that is usually caused by a reaction to drugs. The disease causes the top layer of skin (the epidermis) to detach from the lower layers of the skin (the dermis), all over the body, leaving the body susceptible to severe infection. The case fatality ratio ranges from 25 to 30%, and death usually occurs as a result of sepsis and subsequent multiorgan system failure. Treatment primarily involves discontinuing the use of causative agent(s), and supportive care in either the intensive care unit or burn unit of a hospital.

Specialty: Dermatology
MeSH Code: D004816
ICD 9 Code: 695.15

Toxic epidermal necrolysis

Source: Wikipedia

MS-DRG Mapping

  • DRG Group #595-596 - Major skin disorders with MCC.
  • DRG Group #595-596 - Major skin disorders without MCC.

Related Concepts SNOMET-CT

  • Toxic epidermal necrolysis associated with infection (disorder)

Coding Advice SNOMET-CT

  • Possible requirement for causative agent code

ICD-10-CM Alphabetical Index References for 'L51.2 - Toxic epidermal necrolysis [Lyell]'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code L51.2. Click on any term below to browse the alphabetical index.

Necrolysis, toxic epidermal (L51.2)
Lyell's syndrome (L51.2)
Lyell's syndrome (L51.2) +


Toxic epidermal necrolysis (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code L51.2 and a single ICD9 code, 695.15 is an approximate match for comparison and conversion purposes.

Parent Code: L51 - Erythema multiforme

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Source: http://icd.codes/icd10cm/L512