2025 ICD-10-CM Diagnosis Code Q23.88

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Other congenital malformations of aortic and mitral valves

  • Q23.88 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • ICD-10-CM Q23.88 is a new 2025 ICD-10-CM code that became effective on October 1, 2024.
  • This is the American ICD-10-CM version of Q23.88 – other international versions of ICD-10 Q23.88 may differ.

The following code(s) above Q23.88 contain annotation back-references

 that may be applicable to Q23.88:

  • Q00-Q99  Congenital malformations, deformations and chromosomal abnormalities

Present On Admission

  • Q23.88 is considered exempt from POA reporting.

ICD-10-CM Q23.88 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

Code History

  • 2025 (effective 10/1/2024): New code

Diagnosis Index entries containing back-references to Q23.88:

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