2026 ICD-10-CM Diagnosis Code Q80Congenital ichthyosis

ICD-10-CM Codes›Q00-Q99›Q80-Q89›Q80

ICD-10-CM Q80
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Q80 is a non-billable ICD-10-CM category code for congenital ichthyosis, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Q80.0, Q80.1, Q80.2, and Q80.3.

Code Identity

ICD-10-CM Code
Q80
Billable Status
No — Non-Billable Category
Code Describes
Congenital ichthyosis
Chapter
Q80-Q89
Other congenital malformations

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ80-Q89Other congenital malformations
CategoryQ80Congenital ichthyosis
This CodeQ80Congenital ichthyosis

Specific Coding for Congenital ichthyosisOverview

Non-specific codes like Q80 require more characters. Use one of these billable codes instead:

  • Use Q80.0 for Ichthyosis vulgaris

  • Use Q80.1 for X-linked ichthyosis

  • Use Q80.2 for Lamellar ichthyosis

  • Use Q80.3 for Congenital bullous ichthyosiform erythroderma

  • Use Q80.4 for Harlequin fetus

  • Use Q80.8 for Other congenital ichthyosis

  • Use Q80.9 for Congenital ichthyosis, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 1 Excludes

Patient EducationClinical

Skin Conditions

Your skin is your body's largest organ. It covers the entire outside of your body. There are many ways that your skin protects your body and helps keep you healthy. For example, it:

The full article covers:

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  • What problems and conditions can affect your skin?
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Read the full article at MedlinePlus

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Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Q80Overview

Is Q80 (Congenital ichthyosis) a billable code?

No. This is a category header that groups the codes for congenital ichthyosis, and headers cannot be submitted on claims. Claims for congenital ichthyosis need a more specific code from this category, such as Q80.0, Q80.1, and Q80.2.