What does ICD-10 code L12 mean?

ICD-10 code L12 is the standardized code used for pemphigoid in medical records and coding systems.

When is ICD-10 code L12 used?

Doctors, hospitals, and insurers may use ICD-10 code L12 when recording pemphigoid in a standardized format. This entry may also act as a broader category that points toward more specific child codes.

Does ICD-10 code L12 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10

ICD-10 Code L12: Pemphigoid

Name: ICD-10 Code L12: Pemphigoid
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:16:29.587Z

L12 is an ICD-10 diagnosis entry used to group records related to Pemphigoid. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the skin and subcutaneous tissue (L00-L99).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the skin and subcutaneous tissue (L00-L99).

When is it used?

May be used when a clinician documents pemphigoid in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter

12Diseases of the skin and subcutaneous tissue (L00-L99)

block

L10-L14Bullous disorders

currentL10-L14

Official coding notes

Excludes1 (do not code together)

herpes gestationis (O26.4-)
impetigo herpetiformis (L40.1)

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

Dermatologist

Sibling codes

L10Pemphigus L11Other acantholytic disorders L13Other bullous disorders L14Bullous disorders in diseases classified elsewherebillable

Coding guidelines

Compatibility

Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.

Legacy codes

L12

Replacement codes

L12.0 — Bullous pemphigoidL12.1 — Cicatricial pemphigoidL12.2 — Chronic bullous disease of childhoodL12.8 — Other pemphigoidL12.9 — Pemphigoid, unspecified

Common synonyms

Pemphigoid

Frequently asked questions

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.