DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 12

L10-L14 Bullous disorders (L10-L14)

Block L10-L14 groups 5 categories with 26 billable codes in FY2027.

Where it sits

  1. Chapter 12 Diseases of the skin and subcutaneous tissue (L00-L99)
  2. L10-L14 Bullous disorders (L10-L14)

Neighbouring blocks

Categories
5
Billable codes
26
CC codes
15
MCC codes
0
HCC V28 codes
12
New FY2027
0

Categories in L10-L14

  • L10

    Pemphigus

    Pemphigus → L10.9

    • 9 billable codes
    • 9 CC
    • 8 with HCC
  • L11

    Other acantholytic disorders

    Acantholysis → L11.9

    • 4 billable codes
  • L12

    Pemphigoid

    Pemphigoid → L12.9

    • 8 billable codes
    • 6 CC
    • 4 with HCC
  • L13

    Other bullous disorders

    Wilkinson-Sneddon disease or syndrome → L13.1

    • 4 billable codes
  • L14

    Bullous disorders in diseases classified elsewhere

    Disorder (of)bullous, in diseases classified elsewhere → L14

    • Billable, no subdivisions

Index main terms

  • Dermatitis (eczematous) → L10, L12, L13 (14 entries)
  • Pemphigus → L10, L12, L13 (13 entries)
  • Disease, diseased → L12, L13 (9 entries)
  • Dermatosis → L11, L12, L13 (7 entries)
  • Pemphigoid → L12 (7 entries)
  • Disorder (of) → L11, L14 (3 entries)
  • Epidermolysis → L12 (3 entries)
  • Syndrome → L13 (2 entries)
  • Acantholysis → L11 (1 entry)
  • Brocq-Duhring disease (dermatitis herpetiformis) → L13 (1 entry)
  • Cazenave's disease → L10 (1 entry)
  • Duhring's disease (dermatitis herpetiformis) → L13 (1 entry)
  • Eruption → L13 (1 entry)
  • Erythema, erythematous (infectional) (inflammation) → L12 (1 entry)
  • Fogo selvagem → L10 (1 entry)

+8 more main terms; the search box finds them by word.

Block instructions

Excludes1

  • benign familial pemphigus [Hailey-Hailey] (Q82.8) Q82.8
  • staphylococcal scalded skin syndrome (L00) L00
  • toxic epidermal necrolysis [Lyell] (L51.2) L51.2

Notes that also apply

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