Is Q80.4 a billable ICD-10 code?

Yes. Q80.4 (Harlequin fetus) is billable and can be used for insurance claims. Always verify payer-specific requirements.

Q80.4 ✓ Billable

Harlequin fetus

Q: What is ICD-10 code Q80.4?

ICD-10-CM code Q80.4 stands for "Harlequin fetus". It is a billable code in the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Congenital Malformations, Deformations and Chromosomal Abnormalities

Code

Q80.4

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

Congenital Malformations, Deformations and Chromosomal Abnormalities

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code Q80.4?

ICD-10-CM code Q80.4 represents Harlequin fetus. It is a billable diagnosis code in the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter, effective October 1, 2025 – September 30, 2026.

Is Q80.4 billable?

Yes. Q80.4 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is Q80.4 in?

Q80.4 belongs to the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter (Q00–Q99) of ICD-10-CM.

Related codes in the Q80 category

Q80 Congenital ichthyosis Non-billable Q80.0 Ichthyosis vulgaris Billable Q80.1 X-linked ichthyosis Billable Q80.2 Lamellar ichthyosis Billable Q80.3 Congenital bullous ichthyosiform erythroderma Billable Q80.8 Other congenital ichthyosis Billable Q80.9 Congenital ichthyosis, unspecified Billable

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