This reference uses VA rating codes. For a code from a medical record, check ICD-10-CM and the service date. A clinical code alone does not establish a VA rating or a matching VA diagnostic code.
Erythema multiforme; Toxic epidermal necrolysis
Skin · 38 CFR § 4.118
Diagnostic Code 7827 is the VASRD entry for Erythema multiforme; Toxic epidermal necrolysis. VA applies the controlling criteria, shared formulas, and special instructions shown in 38 CFR Part 4. VMC presents this material for education and reference; it does not determine a Veteran's diagnosis, service connection, or evaluation.
Recorded index labels
These labels are already stored for this diagnostic code. They are not a new condition, rating, or medical relationship.
Appendix B
- Erythema multiforme.
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Source-verified VASRD criteria
How VA rates this diagnostic code
These percentages summarize the regulatory criteria already mapped to this diagnostic code. They do not predict a Veteran's individual evaluation or establish service connection.
Recurrent mucosal, palmar, or plantar involvement impairing mastication, use of hands, or ambulation occurring four or more times over the past 12-month period despite ongoing immunosuppressive therapy
All of the following
At least one of the following
Rate-under relationships
Rate under / reference DC 7800
quiring intermittent systemic therapy; or Without recurrent episodes, but requiring continuous systemic medication for control Or rate as disfigurement of the head, face, or neck (DC 7800) or scars (DCs 7801, 7802, 7804, or 7805), depending upon the predominant disability
Rate under / reference DC 7801
t systemic therapy; or Without recurrent episodes, but requiring continuous systemic medication for control Or rate as disfigurement of the head, face, or neck (DC 7800) or scars (DCs 7801, 7802, 7804, or 7805), depending upon the predominant disability
Special rating instructions
- Recurrent mucosal, palmar, or plantar involvement not impairing mastication, use of hands, or ambulation, occurring four or more times over the past 12-month period; and requiring intermittent systemic therapy
- One to three episodes of mucosal, palmar, or plantar involvement not impairing mastication, use of hands, or ambulation, occurring over the past 12-month period AND requiring intermittent systemic therapy; or
- Without recurrent episodes, but requiring continuous systemic medication for control
- Or rate as disfigurement of the head, face, or neck (DC 7800) or scars (DCs 7801, 7802, 7804, or 7805), depending upon the predominant disability
Regulatory notes
- Note: For the purposes of this DC only, systemic therapy may consist of one or more of the following treatment agents: immunosuppressives, antihistamines, or sympathomimetics
Body system and anatomy metadata
Body system: Skin
Anatomy / region tags: multi region
These tags support discovery and body-map compatibility. They do not establish Veteran-specific laterality or entitlement.
Official VA DBQ references
DBQ catalog: va-dbq-2026.09.16 · Retrieved 2026-09-16. Official VA inventory ↗
- Scars ↗ Related resourceCatalog category: Dermatological
Related by body system only. No reviewed condition-specific form match or requirement has been established.
- Skin Diseases ↗ Related resourceCatalog category: Dermatological
Related by body system only. No reviewed condition-specific form match or requirement has been established.
VA maintains some examination forms that are not available for public use. VMC does not infer a one-code-to-one-DBQ relationship.
Evidence information
When reviewing the criteria, useful evidence categories can include diagnosis and treatment records, objective testing identified by the schedule, documented frequency/duration/severity when the criteria use those concepts, and functional effects described in medical or lay evidence. The relevant evidence depends on the actual claim and medical facts.
VMC does not diagnose conditions, guarantee a percentage, or advise anyone to exaggerate symptoms.
Related diagnostic codes
Legal basis and source identification
38 CFR § 4.118 · Source current through 2026-08-06 · Verified 2026-08-10
Registry content release: vasrd-registry-2026.08.1