L43.3
BillableSubacute (active) lichen planus
Subacute (active) lichen planus
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Lichen planus tropicus
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
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(19)
UMLS
- Actinic lichen planusC0406365
- Actinic lichen planus (disorder)C0406365
- Lichen planus actinicusC0406365
- Lichen planus subtropicusC0406365
- Lichen planus tropicusC0406365
- actinic lichen planusC0406365
- lichen planus actinicC0406365
- Subacute (active) lichen planusC0451935
- Subacute active lichen planusC0451935
- Subacute active lichen planus (disorder)C0451935
Clinical Terms
- Actinic lichen planus
- Subacute active lichen planus (disorder)
- Lichen planus subtropicus
- lichen planus actinic
- Actinic lichen planus (disorder)
- Subacute active lichen planus
- Lichen planus actinicus
- Lichen planus tropicus
Frequently Asked Questions
What is the ICD-10 code for subacute (active) lichen planus?
The ICD-10-CM code for subacute (active) lichen planus is L43.3. The full clinical description is "Subacute (active) lichen planus". L43.3 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code L43.3 mean?
ICD-10-CM code L43.3 represents “Subacute (active) lichen planus”. 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 L43.3 a billable code?
Yes, L43.3 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is L43.3 in?
L43.3 is in Chapter 12: Diseases of the Skin and Subcutaneous Tissue (codes L00-L99).
What codes cannot be used with L43.3?
L43.3 has Excludes1 notes indicating codes that cannot be used together with it, including: lichen planopilaris (L66.1-).
What SNOMED CT codes does L43.3 map to?
L43.3 maps to 1 SNOMED CT concept: 201002003. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for L43.3?
L43.3 is linked to 2 UMLS Concept Unique Identifiers: C0406365, C0451935. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does L43.3 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like subacute (active) lichen planus 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 L43.3?
L43.3 maps to the ICD-11 code: EA91.6 (Subacute lichen planus).
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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.