D89.9 - Disorder involving the immune mechanism, unspecified
- Applicable to Disorder involving the immune mechanism, unspecified
- The 2025 edition of ICD10-CM D89.9 became effective on October 1, 2024.
- This is the American ICD10-CM version of D89.9 - other international versions of ICD10 D89.9 may differ.
- D89.9 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Inclusion Term
- Immune disease NOS
The following codes above D89.9 contain annotation back-references that may be applicable to D89.9:
Section: D80-D89 Certain disorders involving the immune mechanism
Category: D89 Other disorders involving the immune mechanism, not elsewhere classified
Billable/Specific Code
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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