L20.84

L20.84: Intrinsic (allergic) eczema

Billable / specific codeICD-10-CM

L20.84 is a billable, specific ICD-10-CM code for intrinsic (allergic) eczema. It is valid for submission on a claim.

Check L20.84 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above L20.84

Not part of this code, but both may be coded when both are present.

Written on L20.8: Other atopic dermatitis

circumscribed neurodermatitis (L28.0)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

L20.84 is named in 19 Medicare coverage policies: 19 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56558Billing and Coding: Allergy Testing
A56844Billing and Coding: RAST Type Tests
A57043Billing and Coding: RAST Type Tests
A57531Billing and Coding: Allergy Testing

Alphabetic index entries that lead here

Eczema›intrinsic(allergic)

Code history

Unchanged in every release from FY2024 to FY2027.