Q80
Non-Billable

Congenital ichthyosis

Non-Billable / Non-Specific Code

What is Congenital ichthyosis?

ICD-10-CM Q80 is the diagnosis code for Congenital ichthyosis. This code falls under the section "Other congenital malformations" within Chapter 17 — Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for Q80

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as Q80. They are mutually exclusive:

  • Refsum's disease (G60.1)

ICD-10-CM Code Hierarchy

Understanding where Q80 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 7 entries
Q80.0Ichthyosis vulgarisBillableQ80.1X-linked ichthyosisBillableQ80.2Lamellar ichthyosisBillableQ80.3Congenital bullous ichthyosiform erythrodermaBillableQ80.4Harlequin fetusBillableQ80.8Other congenital ichthyosisBillableQ80.9Congenital ichthyosis, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is Q80 a billable ICD-10-CM code?

No, Q80 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does Q80 mean?

Q80 is the ICD-10-CM diagnosis code for "Congenital ichthyosis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is Q80 in?

Q80 is located in Section Q80-Q89 — "Other congenital malformations" within Chapter 17 of the ICD-10-CM Tabular List.

What are the sub-codes of Q80?

Q80 has 7 sub-code(s) that provide more specific detail: Q80.0, Q80.1, Q80.2, Q80.3, Q80.4 and more.

When should I use Q80?

Use Q80 when the patients documented diagnosis matches "Congenital ichthyosis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Congenital ichthyosis?

The ICD-10-CM code for Congenital ichthyosis is Q80.

Can Q80 be used for primary diagnosis?

No, Q80 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is Q80 in?

Q80 is in Chapter 17 of the ICD-10-CM Tabular List.

What conditions are excluded from Q80?

Type 1 Excludes for Q80 include: Refsum's disease (G60.1).

Is Q80 valid for 2026?

Yes, Q80 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousQ79.9Congenital malformation of musculoskeletal system, unspecifiedNext →Q80.0Ichthyosis vulgaris
Code Details
Q80
Congenital ichthyosis
Non-Billable / Non-Specific Code
17 — Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q80-Q89 — Other congenital malformations
2026 ICD-10-CM