---
title: "ICD-10-CM L30.0: Nummular dermatitis | BillingBrief"
description: "ICD-10-CM code L30.0: Nummular dermatitis. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/l30.0/"
language: "en"
---

# L30.0 Nummular dermatitis

ICD-10-CM · [CMS code reference](#source)

**Official ICD-10-CM description:** Nummular dermatitis

## Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

### Note

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

### Excludes2

Not part of this code, but both can be coded when both are documented.

-   contact dermatitis (L23-L25)
-   dry skin dermatitis (L85.3)
-   small plaque parapsoriasis (L41.3)
-   stasis dermatitis (I87.2)
-   chronic (childhood) granulomatous disease (D71-)
-   dermatitis gangrenosa (L08.0)
-   dermatitis herpetiformis (L13.0)
-   factitial dermatitis (L98.1)
-   perioral dermatitis (L71.0)
-   radiation-related disorders of the skin and subcutaneous tissue (L55-L59)

## Related codes

-   [`L30.1` Dyshidrosis \[pompholyx\] ICD-10-CM](https://billingbrief.com/icd10/l30.1/)
-   [`L30.2` Cutaneous autosensitization ICD-10-CM](https://billingbrief.com/icd10/l30.2/)
-   [`L30.3` Infective dermatitis ICD-10-CM](https://billingbrief.com/icd10/l30.3/)
-   [`L30.4` Erythema intertrigo ICD-10-CM](https://billingbrief.com/icd10/l30.4/)
-   [`L30.5` Pityriasis alba ICD-10-CM](https://billingbrief.com/icd10/l30.5/)
-   [`L30.8` Other specified dermatitis ICD-10-CM](https://billingbrief.com/icd10/l30.8/)
-   [`L30.9` Dermatitis, unspecified ICD-10-CM](https://billingbrief.com/icd10/l30.9/)

## Common questions

### Is L30.0 a billable code?

Yes. L30.0 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/icd-10-codes).
ICD-10-CM FY2027 (effective October 1, 2026).

Code set

ICD-10-CM

Category

L30 Other and unspecified dermatitis

Chapter

Diseases of the skin and subcutaneous tissue

Billable

Yes

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).