L43.2
BillableLichenoid drug reaction
Lichenoid drug reaction
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •lipomelanotic reticulosisI89.8
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •systemic connective tissue disordersM30-M36
- •viral wartsB07
Use Additional Code
Additional codes that should follow this code
Related Codes(5)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(25)
SNOMED CT
UMLS
Clinical Terms
- Oral lichenoid reaction
- Drug eruption lichen planus-like
- Drug-induced Lichen Planus
- Lichenoid allergic contact reaction
- drug eruptions lichenoid
- Lichenoid amalgam reaction
- Lichenoid allergic contact reaction caused by amalgam
- Lichenoid Drug Eruption
- Lichenoid drug eruption (disorder)
- Drug-induced oral lichenoid reaction
Frequently Asked Questions
What is the ICD-10 code for lichenoid drug reaction?
The ICD-10-CM code for lichenoid drug reaction is L43.2. The full clinical description is "Lichenoid drug reaction". L43.2 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code L43.2 mean?
ICD-10-CM code L43.2 represents “Lichenoid drug reaction”. It is classified under Chapter 12: Diseases of the Skin and Subcutaneous Tissue and is a billable/specific code that can be used on a claim.
Is L43.2 a billable code?
Yes, L43.2 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is L43.2 in?
L43.2 is in Chapter 12: Diseases of the Skin and Subcutaneous Tissue (codes L00-L99).
What codes cannot be used with L43.2?
L43.2 has Excludes1 notes indicating codes that cannot be used together with it, including: lichen planopilaris (L66.1-).
Are additional codes required with L43.2?
Yes, when using L43.2, also report: adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).
What SNOMED CT codes does L43.2 map to?
L43.2 maps to 5 SNOMED CT concepts: 235051007, 402576006, 703133002, 109254000, 235050008. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for L43.2?
L43.2 is linked to 1 UMLS Concept Unique Identifier: C0023656. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does L43.2 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like lichenoid drug reaction affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of L43.2?
L43.2 maps to the ICD-11 code: EH62 (Lichenoid drug eruption).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.