DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

L50 Urticaria

  • Header · not billable

L50 is not billable. The category heads 9 billable codes in FY2027: the 9 codes directly below it.

Index → code

Where it sits

  1. Chapter 12 Diseases of the skin and subcutaneous tissue (L00-L99)
  2. L49-L54 Urticaria and erythema (L49-L54)
  3. L50 Urticaria
Billable codes
9
Subdivisions
9
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
23

Codes in L50

  1. L50.0
    Allergic urticaria
    Billable
  2. L50.1
    Idiopathic urticaria
    Billable
  3. L50.2
    Urticaria due to cold and heat
    Billable
    Excludes2 1

    Excludes2

    • familial cold urticaria (M04.2) M04.2
  4. L50.3
    Dermatographic urticaria
    Billable
  5. L50.4
    Vibratory urticaria
    Billable
  6. L50.5
    Cholinergic urticaria
    Billable
  7. L50.6
    Contact urticaria
    Billable
  8. L50.8
    Other urticaria
    Billable
    Inclusion terms 2

    Inclusion terms

    • Chronic urticaria
    • Recurrent periodic urticaria
  9. L50.9
    Urticaria, unspecified
    Billable

Sources of each column.

Instructions

At L50

Excludes1

  • allergic contact dermatitis (L23.-) L23
  • angioneurotic edema (T78.3) T78.3
  • giant urticaria (T78.3) T78.3
  • hereditary angio-edema (D84.1) D84.1
  • Quincke's edema (T78.3) T78.3
  • serum urticaria (T80.6-) T80.6
  • solar urticaria (L56.3) L56.3
  • urticaria neonatorum (P83.8) P83.8
  • urticaria papulosa (L28.2) L28.2
  • urticaria pigmentosa (D47.01) D47.01

Notes that also apply

Block L49-L54 instructions (Excludes1 2): printed on the block page.

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

Index entries

  • Autographism → L50.3
  • Dermatographia → L50.3
  • Dermographia, dermographism → L50.3
  • Urticaria → L50.9
  • Allergy, allergic (reaction) (to)urticaria → L50.0
  • Urticariaallergic → L50.0
  • Urticariaidiopathic → L50.1
  • Urticarianonallergic → L50.1
  • Urticariacold, familial → L50.2
  • Urticariathermal (cold) (heat) → L50.2
  • Urticariadermatographic → L50.3
  • Urticariafactitial → L50.3
  • Urticariavibratory → L50.4
  • Urticariacholinergic → L50.5
  • Urticariacontact → L50.6
  • Urticariachronic → L50.8
  • Urticariarecurrent periodic → L50.8
  • Urticariaspecified type NEC → L50.8
  • Urticariadue todrugs → L50.0
  • Urticariadue tofood → L50.0
  • Urticariadue toinhalants → L50.0
  • Urticariadue tocold or heat → L50.2
  • Urticariadue toplants → L50.6

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

Hierarchy