D89
Non-billableOth disorders involving the immune mechanism, NEC
Other disorders involving the immune mechanism, not elsewhere classified
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- defects in the complement system
- immunodeficiency disorders, except human immunodeficiency virus [HIV] disease
- sarcoidosis
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •autoimmune disease (systemic) NOSM35.9
- •certain conditions originating in the perinatal periodP00-P96
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •human immunodeficiency virus [HIV] diseaseB20
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •transplant failure and rejectionT86
Child Codes (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
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-10 code for oth disorders involving the immune mechanism, nec?
The ICD-10-CM code for oth disorders involving the immune mechanism, nec is D89. The full clinical description is "Other disorders involving the immune mechanism, not elsewhere classified". D89 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code D89 mean?
ICD-10-CM code D89 represents “Other disorders involving the immune mechanism, not elsewhere classified”. It is classified under Chapter 3: Diseases of the Blood and Blood-Forming Organs and is a non-billable header code. Use a more specific child code for billing purposes.
Is D89 a billable code?
No, D89 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 7 child codes under D89.
What chapter is D89 in?
D89 is in Chapter 3: Diseases of the Blood and Blood-Forming Organs (codes D50-D89).
What codes cannot be used with D89?
D89 has Excludes1 notes indicating codes that cannot be used together with it, including: autoimmune disease (systemic) NOS (M35.9); functional disorders of polymorphonuclear neutrophils (D71); human immunodeficiency virus [HIV] disease (B20); and 2 more.
What are the subcategories under D89?
D89 has 7 child codes, including: D89.0 (Polyclonal hypergammaglobulinemia), D89.1 (Cryoglobulinemia), D89.2 (Hypergammaglobulinemia, unspecified), D89.3 (Immune reconstitution syndrome), and 3 more.
What are the UMLS CUIs for D89?
D89 is linked to 1 UMLS Concept Unique Identifier: C0494268. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does D89 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like oth disorders involving the immune mechanism, nec affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of D89?
D89 maps to the ICD-11 code: 4B4Z (Diseases of the immune system, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.