NPI Atlas

L20-L30: Dermatitis and eczema

ICD-10-CM 2027 block L20-L30 in chapter 12 (Diseases of the skin and subcutaneous tissue) has 11 categories.

L20 – Atopic dermatitis 7 billable codes
L21 – Seborrheic dermatitis 4 billable codes
L22 – Diaper dermatitis Billable code
L23 – Allergic contact dermatitis 11 billable codes
L24 – Irritant contact dermatitis 19 billable codes
L25 – Unspecified contact dermatitis 8 billable codes
L26 – Exfoliative dermatitis Billable code
L27 – Dermatitis due to substances taken internally 5 billable codes
L28 – Lichen simplex chronicus and prurigo 3 billable codes
L29 – Pruritus 7 billable codes
L30 – Other and unspecified dermatitis 8 billable codes

Block notes

Excludes2 (not included here):

chronic (childhood) granulomatous disease (D71-)
dermatitis gangrenosa (L08.0)
dermatitis herpetiformis (L13.0)
dry skin dermatitis (L85.3)
factitial dermatitis (L98.1)
perioral dermatitis (L71.0)
radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
stasis dermatitis (I87.2)

Notes:

In this block the terms dermatitis and eczema are used synonymously and interchangeably.