DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

L43 Lichen planus

  • Header · not billable

L43 is not billable. The category heads 6 billable codes in FY2027: the 6 codes directly below it.

Index → code

  • Wilson'slichen ruber → L43.9
  • Lichenplanus (chronicus) → L43.9
  • Lichenruberplanus → L43.9

Where it sits

  1. Chapter 12 Diseases of the skin and subcutaneous tissue (L00-L99)
  2. L40-L45 Papulosquamous disorders (L40-L45)
  3. L43 Lichen planus
Billable codes
6
Subdivisions
6
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
11

Codes in L43

  1. L43.0
    Hypertrophic lichen planus
    Billable
  2. L43.1
    Bullous lichen planus
    Billable
  3. L43.2
    Lichenoid drug reaction
    Billable
    Use additional code 1

    Use additional code

    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) T36 T50
  4. L43.3
    Subacute (active) lichen planus
    Billable
    Inclusion terms 1

    Inclusion terms

    • Lichen planus tropicus
  5. L43.8
    Other lichen planus
    Billable
  6. L43.9
    Lichen planus, unspecified
    Billable

Sources of each column.

Instructions

At L43

Excludes1

  • lichen planopilaris (L66.1-) L66.1

Notes that also apply

Chapter 12 instructions (Excludes2 10): printed on the chapter 12 page.

Index entries

  • Lichenplanus (chronicus) → L43.9
  • Wilson'slichen ruber → L43.9
  • Lichenplanus (chronicus)hypertrophic → L43.0
  • Lichenplanus (chronicus)bullous → L43.1
  • Reactiondrug NEClichenoid → L43.2
  • Lichenplanus (chronicus)subacute (active) → L43.3
  • Lichenplanus (chronicus)tropicus → L43.3
  • Lichenplanus (chronicus)annularis → L43.8
  • Lichenplanus (chronicus)specified NEC → L43.8
  • Lichenplanus (chronicus)of Wilson → L43.9
  • Lichenruberplanus → L43.9

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy