ICD-10-CM Codes
L00-L99
L40-L45
L43-
2024 ICD-10-CM Diagnosis Code L43.3

2024 ICD-10-CM Diagnosis Code L43.3

Subacute (active) lichen planus

2016

2017

2018

2019

2020

2021

2022

2023

2024

Billable/Specific Code

L43.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2024 edition of ICD-10-CM L43.3 became effective on October 1, 2023.
This is the American ICD-10-CM version of L43.3 - other international versions of ICD-10 L43.3 may differ.

Applicable To

Lichen planus tropicus

The following code(s) above L43.3 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to L43.3:

L00-L99
2024 ICD-10-CM Range L00-L99
Diseases of the skin and subcutaneous tissue
Type 2 Excludes
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- lipomelanotic reticulosis (I89.8)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- viral warts (B07.-)
Diseases of the skin and subcutaneous tissue
L43
ICD-10-CM Diagnosis Code L43
Lichen planus
Type 1 Excludes
- lichen planopilaris (L66.1)
Lichen planus

Approximate Synonyms

Subacute active lichen planus
Subacute lichen planus

ICD-10-CM L43.3 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

606 Minor skin disorders with mcc
607 Minor skin disorders without mcc

Convert L43.3 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change
2022 (effective 10/1/2021): No change
2023 (effective 10/1/2022): No change
2024 (effective 10/1/2023): No change

Diagnosis Index entries containing back-references to L43.3:

Lichen L28.0
ICD-10-CM Diagnosis Code L28.0
Lichen simplex chronicus
Applicable To
Circumscribed neurodermatitis
Lichen NOS
- planus (chronicus) L43.9
  ICD-10-CM Diagnosis Code L43.9
  Lichen planus, unspecified
  2016 2017 2018 2019 2020 2021 2022 2023 2024 Billable/Specific Code
  - subacute L43.3 (active)
  - tropicus L43.3

ICD-10-CM Codes Adjacent To L43.3

L41.3 Small plaque parapsoriasis

L41.4 Large plaque parapsoriasis

L41.5 Retiform parapsoriasis

L41.8 Other parapsoriasis

L41.9 Parapsoriasis, unspecified

L42 Pityriasis rosea

L43 Lichen planus

L43.0 Hypertrophic lichen planus

L43.1 Bullous lichen planus

L43.2 Lichenoid drug reaction

L43.3 Subacute (active) lichen planus

L43.8 Other lichen planus

L43.9 Lichen planus, unspecified

L44 Other papulosquamous disorders

L44.0 Pityriasis rubra pilaris

L44.1 Lichen nitidus

L44.2 Lichen striatus

L44.3 Lichen ruber moniliformis

L44.4 Infantile papular acrodermatitis [Gianotti-Crosti]

L44.8 Other specified papulosquamous disorders

L44.9 Papulosquamous disorder, unspecified

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2024 ICD-10-CM Diagnosis Code L43.3

Subacute (active) lichen planus

Diseases of the skin and subcutaneous tissue

Lichen planus

Lichen simplex chronicus

Lichen planus, unspecified