D89.8
Header — not billableOther specified disorders involving the immune mechanism, not elsewhere classified
The ICD-10 code for other specified disorders involving the immune mechanism, not elsewhere classified is D89.8.
D89.8 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 5 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •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
- D89.3Immune reconstitution syndrome
- D89.4Mast cell activation syndrome and related disordersnon-billable header
- D89.9Disorder involving the immune mechanism, unspecified
- D89.8Other specified disorders involving the immune mechanism, not elsewhere classifiednon-billable header