I27.83

Billable

Eisenmenger's syndrome

I27.83 is the ICD-10-CM code for Eisenmenger's syndrome. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
I00-I99
Parent
I27.8
Edition
FY2026

I00-I99 Diseases of the circulatory system

What this means — in plain language

MedlinePlus · NIH

What is pulmonary hypertension? Pulmonary hypertension, sometimes called PH, is a serious condition that affects the blood vessels in the lungs. It develops when the blood pressure in your lungs is higher than normal. Your heart pumps blood to your lungs so they can add oxygen to the blood. The blood goes back to your heart. From there, it travels to the rest of your body so that your tissues can get the oxygen that…

Read more about Pulmonary Hypertension at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • Eisenmenger's complex
  • (Irreversible) Eisenmenger's disease
  • Pulmonary hypertension with right to left shunt related to congenital heart disease

Notes

  • underlying heart defect, if known, such as:
  • atrial septal defect (Q21.1-)
  • Eisenmenger's defect (Q21.8)
  • patent ductus arteriosus (Q25.0)
  • ventricular septal defect (Q21.0)

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code I27.83?
I27.83 is the ICD-10-CM code for "Eisenmenger's syndrome". It falls under I00-I99 Diseases of the circulatory system.
Is I27.83 a billable code?
Yes — I27.83 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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