2025 ICD-10-CM Diagnosis Code I37.9

Nonrheumatic pulmonary valve disorder, unspecified

• I37.9 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 I37.9 became effective on October 1, 2024.
• This is the American ICD-10-CM version of I37.9 – other international versions of ICD-10 I37.9 may differ.

The following code(s) above I37.9 contain annotation back-references

 that may be applicable to I37.9:

• I00-I99  Diseases of the circulatory system
• I37  Nonrheumatic pulmonary valve disorders

Approximate Synonyms

• Non-rheumatic pulmonary valve disorder
• Pulmonary valve disease
• Pulmonary valve disorder

Clinical Information

• A disorder characterized by a defect in pulmonary valve function or structure.
• A heart disorder characterized by a defect in pulmonary valve structure or function.

ICD-10-CM I37.9 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

• 306 Cardiac congenital and valvular disorders with mcc
• 307 Cardiac congenital and valvular disorders without mcc

Convert I37.9 to ICD-9-CMCode History

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 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

Diagnosis Index entries containing back-references to I37.9:

• Disease, diseased – see also Syndrome
  • pulmonary – see also Disease, lung
    • valve I37.9
• Lesion(s) (nontraumatic)
  • pulmonaryJ98.4
    • valve I37.9