L43.3

Billable

Subacute (active) lichen planus

Subacute (active) lichen planus

Status

Billable / Specific

Block

L40-L45

Parent Code

L43

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 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.-)

Also Known As / Clinical Terms

Frequently Asked Questions

What is ICD-10 code L43.3?

ICD-10-CM code L43.3 represents "Subacute (active) lichen planus". It 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.

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.