D89.3
Billable codeImmune reconstitution syndrome
The ICD-10 code for immune reconstitution syndrome is D89.3.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Immune reconstitution inflammatory syndrome [IRIS]
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •If the associated manifestation or related condition noted above is also documented, an additional code should be reported alongside this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- D89.0Polyclonal hypergammaglobulinemia
- D89.1Cryoglobulinemia
- D89.2Hypergammaglobulinemia, unspecified
- D89.4Mast cell activation syndrome and related disordersnon-billable header
- D89.8Other specified disorders involving the immune mechanism, not elsewhere classifiednon-billable header
- D89.9Disorder involving the immune mechanism, unspecified
- D89.3Immune reconstitution syndrome
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 2798Approximate match
Associated MS-DRGs
D89.3 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.