Is L98.1 a billable ICD-10-CM code?

Yes. L98.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does L98.1 sit in the tabular list?

Diseases of the skin and subcutaneous tissue (L00-L99), in the block Other disorders of the skin and subcutaneous tissue (L80-L99).

What cannot be coded together with L98.1?

L98.1 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

L98.1

L98.1 — Factitial dermatitis

Billable / specific codeICD-10-CM

L98.1 is a billable, specific ICD-10-CM code for factitial dermatitis. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

Excoriation (skin-picking) disorder (F42.4)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Neurotic excoriation

Other codes that can never be billed with L98.1

These codes carry an Excludes1 note pointing at L98.1. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading L98.1 alone.

L29Pruritus
F42.4Excoriation (skin-picking) disorder

Risk adjustment

L98.1 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

L98.1 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A57130Billing and Coding: Psychiatric Codes

How L98.1 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to L98.1.

Dermatitis›artefacta
Dermatitis›facta, factitia, factitial
Dermatosis›factitial
Excoriation›neurotic
Neurosis, neurotic›excoriation
Eruption›skin›feigned

Related codes at this level

Codes that share L98. If L98.1 is not quite right, the correct code is usually one of these.

Questions about L98.1

Is L98.1 a billable ICD-10-CM code?: Yes. L98.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does L98.1 sit in the tabular list?: Diseases of the skin and subcutaneous tissue (L00-L99), in the block Other disorders of the skin and subcutaneous tissue (L80-L99).
What cannot be coded together with L98.1?: L98.1 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.