DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

L40 Psoriasis

  • Header · not billable

L40 is not billable. The category heads 13 billable codes in FY2027, grouped under 8 subdivisions.

Index → code

  • Psoriasis → L40.9
  • Von Zumbusch's disease → L40.1
  • Bacterid, bacteride (pustular) → L40.3

Where it sits

  1. Chapter 12 Diseases of the skin and subcutaneous tissue (L00-L99)
  2. L40-L45 Papulosquamous disorders (L40-L45)
  3. L40 Psoriasis
Billable codes
13
Subdivisions
8
CC / MCC codes
0 / 0
HCC V28 codes
6
New FY2027
0
Index entries
39

Codes in L40

  1. L40.0
    Psoriasis vulgaris
    Billable
    Inclusion terms 2

    Inclusion terms

    • Nummular psoriasis
    • Plaque psoriasis
  2. L40.1
    Generalized pustular psoriasis
    Billable
    Inclusion terms 2

    Inclusion terms

    • Impetigo herpetiformis
    • Von Zumbusch's disease
  3. L40.2
    Acrodermatitis continua
    Billable
  4. L40.3
    Pustulosis palmaris et plantaris
    Billable
  5. L40.4
    Guttate psoriasis
    Billable
  6. L40.5
    Arthropathic psoriasis
    Header
  7. L40.50
    Arthropathic psoriasis, unspecified
    Billable93
  8. L40.51
    Distal interphalangeal psoriatic arthropathy
    Billable93
  9. L40.52
    Psoriatic arthritis mutilans
    Billable93
  10. L40.53
    Psoriatic spondylitis
    Billable93
  11. L40.54
    Psoriatic juvenile arthropathy
    Billable93
  12. L40.59
    Other psoriatic arthropathy
    Billable93
  13. L40.8
    Other psoriasis
    Billable
    Inclusion terms 1

    Inclusion terms

    • Flexural psoriasis
  14. L40.9
    Psoriasis, unspecified
    Billable

Sources of each column.

Instructions

Notes that also apply

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

Index entries

  • Von Zumbusch's disease → L40.1
  • Hallopeau's acrodermatitis or disease → L40.2
  • Bacterid, bacteride (pustular) → L40.3
  • Pustulosis palmaris et plantaris → L40.3
  • Psoriasis → L40.9
  • Psoriasisnummular → L40.0
  • Psoriasisplaque → L40.0
  • Psoriasisvulgaris → L40.0
  • Impetigo (any organism) (any site) (circinate) (contagiosa) (simplex) (vulgaris)herpetiformis → L40.1
  • Psoriasispustular (generalized) → L40.1
  • Acrodermatitiscontinua (Hallopeau) → L40.2
  • AcrodermatitisHallopeau's → L40.2
  • Acrodermatitisperstans → L40.2
  • Acrodermatitispustulosa continua → L40.2
  • Acrodermatitisrecalcitrant pustular → L40.2
  • Dermatitis (eczematous)repens → L40.2
  • Psoriasisguttate → L40.4
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)psoriatic → L40.50
  • Psoriasisarthropathic → L40.50
  • Arthropathydistal interphalangeal, psoriatic → L40.51
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)mutilans (psoriatic) → L40.52
  • Arthropathymutilans (psoriatic) → L40.52
  • Spondylitis (chronic)psoriatic → L40.53
  • Arthropathypsoriatic NEC → L40.59
  • Erythroderma (secondary)psoriaticum → L40.8
  • Psoriasisflexural → L40.8
  • Psoriasisspecified NEC → L40.8
  • Impetigo (any organism) (any site) (circinate) (contagiosa) (simplex) (vulgaris)herpetiformisnonobstetrical → L40.1
  • Psoriasispustular (generalized)palmaris et plantaris → L40.3
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)in (due to)psoriasis → L40.50
  • Arthropathyin (due to)psoriasis NOS → L40.50
  • Arthropathypsoriatic NECinterphalangeal, distal → L40.51
  • Psoriasisarthropathicdistal interphalangeal → L40.51
  • Psoriasisarthropathicarthritis mutilans → L40.52
  • Psoriasisarthropathicspondylitis → L40.53
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)juvenilepsoriatic → L40.54
  • Arthropathyjuvenilepsoriatic → L40.54
  • Psoriasisarthropathicjuvenile → L40.54
  • Psoriasisarthropathicother specified → L40.59

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

Hierarchy