2025 ICD-10-CM Diagnosis Code I27.83

Eisenmenger’s syndrome

  • I27.83 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2025 edition of ICD-10-CM I27.83 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of I27.83 – other international versions of ICD-10 I27.83 may differ.

Applicable To

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

Code Also

  • 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)

The following code(s) above I27.83 contain annotation back-references

 that may be applicable to I27.83:

  • I00-I99  Diseases of the circulatory system

ICD-10-CM I27.83 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

  • 314 Other circulatory system diagnoses with mcc
  • 315 Other circulatory system diagnoses with cc
  • 316 Other circulatory system diagnoses without cc/mcc

Convert I27.83 to ICD-9-CMCode History

  • 2018 (effective 10/1/2017): New code
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change
  • 2025 (effective 10/1/2024): No change

Code annotations containing back-references to I27.83:

  • Code Also: Q21.8, Q21.8
  • Type 1 Excludes: I27.2

Diagnosis Index entries containing back-references to I27.83:

  • Complex
    • Eisenmenger’s I27.83 (ventricular septal defect)
  • Disease, diseased – see also Syndrome
    • Eisenmenger’s I27.83 (irreversible)
  • Eisenmenger’s
    • complex or syndrome I27.83
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic) I10
    • pulmonaryI27.20
      • with
        • right to left shunt related to congenital heart disease I27.83
  • Syndrome – see also Disease
    • Eisenmenger’s I27.83
error: Content is protected !!