2025 ICD-10-CM Diagnosis Code I36.9

Nonrheumatic tricuspid valve disorder, unspecified

• I36.9 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 I36.9 became effective on October 1, 2024.
• This is the American ICD-10-CM version of I36.9 – other international versions of ICD-10 I36.9 may differ.

The following code(s) above I36.9 contain annotation back-references

 that may be applicable to I36.9:

• I00-I99  Diseases of the circulatory system
• I36  Nonrheumatic tricuspid valve disorders

Approximate Synonyms

• Nonrheumatic tricuspid valve disease
• Tricuspid valve disorder, non-rheumatic
• Tricuspid valve disorder, nonrheumatic
• Tricuspid valve disorders, non-rheumatic

ICD-10-CM I36.9 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 I36.9 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 I36.9:

• Disease, diseased – see also Syndrome
  • tricuspidI07.9
    • nonrheumatic I36.9
• Lesion(s) (nontraumatic)
  • tricuspid (valve) I07.9
    • nonrheumatic I36.9