DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

L91 Hypertrophic disorders of skin

  • Header · not billable

L91 is not billable. The category heads 3 billable codes in FY2027: the 3 codes directly below it.

Index → code

Where it sits

  1. Chapter 12 Diseases of the skin and subcutaneous tissue (L00-L99)
  2. L80-L99 Other disorders of the skin and subcutaneous tissue (L80-L99)
  3. L91 Hypertrophic disorders of skin
Billable codes
3
Subdivisions
3
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
16

Codes in L91

  1. L91.0
    Hypertrophic scar
    Billable
    Inclusion terms 2, Excludes2 2

    Inclusion terms

    • Keloid
    • Keloid scar

    Excludes2

  2. L91.8
    Other hypertrophic disorders of the skin
    Billable
  3. L91.9
    Hypertrophic disorder of the skin, unspecified
    Billable

Sources of each column.

Instructions

Notes that also apply

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

Index entries

  • Kelis → L91.0
  • Keloid, cheloid → L91.0
  • Keloma → L91.0
  • Tag (hypertrophied skin) (infected) → L91.8
  • Hypertrophy, hypertrophicscar → L91.0
  • Keloid, cheloidHawkin's → L91.0
  • Keloid, cheloidscar → L91.0
  • Scar, scarringcheloid → L91.0
  • Scar, scarringhypertrophic → L91.0
  • Scar, scarringkeloid → L91.0
  • Tag (hypertrophied skin) (infected)skin → L91.8
  • Hypertrophy, hypertrophicskin → L91.9
  • Cutisverticis gyrataacquired → L91.8
  • Hypertrophy, hypertrophicskinspecified NEC → L91.8
  • Disorder (of)skinhypertrophic → L91.9
  • Disorder (of)skinhypertrophicspecified NEC → L91.8

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

Hierarchy