ICD-10-CM
ICD-10 code for Ichthyosis: Q80.9
The ICD-10-CM index points "Ichthyosis" to Q80 (Congenital ichthyosis), a header that is not billable. When nothing more specific is documented, the billable code is Q80.9, Congenital ichthyosis, unspecified.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
- L85.0acquired, Acquired ichthyosisBillable
- Q80.4fetalis, Harlequin fetusBillable
- Q80.8hystrix, Other congenital ichthyosisBillable
- Q80.2lamellar, Lamellar ichthyosisBillable
- K13.29lingual, Other disturbances of oral epithelium, including tongueBillable
- Q82.8palmaris and plantaris, Other specified congenital malformations of skinBillable
- Q80.0simplex, Ichthyosis vulgarisBillable
- Q80.8vera, Other congenital ichthyosisBillable
- Q80.0vulgaris, Ichthyosis vulgarisBillable
- Q80.1X-linked, X-linked ichthyosisBillable
More specific codes in Q80
A header groups codes and is not billed. A billable code is one you can report.
Excludes1
Excludes1 means these codes are not reported together.
From Q80. A note on a category applies to every code under it.
Related conditions
Related pages
- Q80.9 code detailsNotes, nearby codes, CMS-HCC group
- Category Q80Every code under it
- Chapter 17Congenital malformations and chromosomal abnormalities
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Ichthyosis?
The ICD-10-CM index points "Ichthyosis" to Q80 (Congenital ichthyosis), a header that is not billable. When nothing more specific is documented, the billable code is Q80.9, Congenital ichthyosis, unspecified.
Is Q80.9 billable?
Yes. Q80.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to Q80.9?
The CDC tabular list gives 1 Excludes1 note (not coded together) for Q80.9 and the categories above it. They are listed on this page.
What chapter is Q80.9 in?
Chapter 17. Congenital malformations and chromosomal abnormalities.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.