D89.2
Billable codeHypergammaglobulinemia, unspecified
The ICD-10 code for hypergammaglobulinemia, unspecified is D89.2.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •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
- D89.3Immune reconstitution syndrome
- 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
- D89.2Hypergammaglobulinemia, unspecified
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 2731Approximate match
- 28989Approximate match
Associated MS-DRGs
D89.2 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.