Search Browse Crosswalk Fees Tools Pricing

Codelle

AI-powered medical coding assistant for healthcare practices and billers.

Pricing Privacy Terms

© 2026 Codelle. All rights reserved.

CPT® copyright 2026 American Medical Association. All rights reserved. CPT is a registered trademark of the American Medical Association. Applicable FARS/DFARS restrictions apply to government use. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use.

ICD-10-CM D89 — Oth disorders involving the immun… | Codelle

D89

ICD-10-CM

Oth disorders involving the immune mechanism, NEC

Other disorders involving the immune mechanism, not elsewhere classified

Clinical Notes

Excludes 1 — Not coded here

hyperglobulinemia NOS (R77.1)
monoclonal gammopathy (of undetermined significance) (D47.2)

Excludes 2 — Not included here

transplant failure and rejection (T86.-)

Code Hierarchy

Subcodes (7)

D89.0Polyclonal hypergammaglobulinemia

D89.1Cryoglobulinemia

D89.2Hypergammaglobulinemia, unspecified

D89.3Immune reconstitution syndrome

D89.4Mast cell activation syndrome and related disorders

D89.8Oth disrd involving the immune mechanism, NEC

D89.9Disorder involving the immune mechanism, unspecified

Same Category

D89.0Polyclonal hypergammaglobulinemia D89.1Cryoglobulinemia D89.2Hypergammaglobulinemia, unspecified D89.3Immune reconstitution syndrome D89.4Mast cell activation syndrome and related disorders D89.40Mast cell activation, unspecified D89.41Monoclonal mast cell activation syndrome

D89.42Idiopathic mast cell activation syndrome

D89.43Secondary mast cell activation

D89.44Hereditary alpha tryptasemia

+5 more in this category