D89.9
BillableDisorder involving the immune mechanism, unspecified
Disorder involving the immune mechanism, unspecified
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Immune disease NOS
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
Related Codes(6)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(203)
SNOMED CT
- Autoimmune state4301008
- Autoimmunity4301008
- Drug-induced autoimmune reaction10387001
- Autoimmune reaction14848000
- Granulocyte abnormality due to immune defect15012007
- Pachymeningitis25822001
- AIN - Acute interstitial nephritis28637003
- ATIN - Acute tubulo-interstitial nephritis28637003
- Acute TIN (tubulointerstitial nephritis)28637003
- Acute interstitial nephritis28637003
- Acute tubulo-interstitial nephritis28637003
- Acute tubulointerstitial disease28637003
- Acute tubulointerstitial nephritis28637003
- Postvaccinal autoimmune reaction35394006
- Abnormal host defence37394005
- Abnormal host defense37394005
- Nonspecific immune reaction54512006
- Immunosuppression-related infection68605000
- Immunosuppression-related infectious disease68605000
- Induced autoimmune reaction69679003
- Immune defect71922006
- Immunologic defect71922006
- Cryopathy84730007
- Abnormal host response103083001
- Autoimmune AND/OR graft reaction106198007
- Glomerular disorders in blood diseases and disorders involving the immune mechanism197739000
- Spondyloenchondrodysplasia254079002
- Antibody-mediated activation and inactivation362985009
- Hereditary disorder of immune system363138005
- Immune system complication of procedure363142008
- Panniculitis due to immunological disorder402686000
- Chronic disease of immune function413834006
- Chronic disease of immune structure413835007
- Disorder of immune function414029004
- Immune system disorder414029004
- Disorder of immune structure414030009
- Autoimmune vasculitis427213005
- Combined immunodeficiency with autoimmunity and spondylometaphyseal dysplasia703523004
- Roifman-Costa syndrome703523004
- Roifman-Melamed syndrome703523004
- Spondyloenchondrodysplasia with immune dysregulation703523004
- Microcephaly, hypogammaglobulinaemia, abnormal immunity syndrome721903007
- Microcephaly, hypogammaglobulinemia, abnormal immunity syndrome721903007
- Say Barber Miller syndrome721903007
- Acquired ataxia722968003
- Autonomic neuropathy due to disorder of immune function724815006
- Immune mediated autonomic neuropathy724815006
- Epilepsy due to immune disorder724990004
- Ulcer of esophagus due to disorder of immune system737190002
- Ulcer of esophagus due to immunologic disorder737190002
- Ulcer of oesophagus due to disorder of immune system737190002
- Ulcer of oesophagus due to immunologic disorder737190002
- Immune-mediated neuropathy782309008
- Hypertrophic pachymeningitis due to disorder of immune function860825005
- Immune-mediated hypertrophic pachymeningitis860825005
- Disorder of immune function due to systemic lupus erythematosus1144923001
- Acute tubulo-interstitial nephritis due to disorder of immune function1144972008
- Acute tubulo-interstitial nephritis due to immunological disorder1144972008
- Ataxia due to disorder of immune function1163092001
- Chorea due to immunological disorder1259621007
- Acute nephritis due to another disorder40371000119105
UMLS
- DIS IMMUNE SYSTEMC0021053
- Disease, ImmuneC0021053
- Disease, Immune SystemC0021053
- Disease, ImmunologicC0021053
- Disease, ImmunologicalC0021053
- Diseases of Immune SystemC0021053
- Disorder immune system (NOS)C0021053
- Disorder of immune systemC0021053
- Disorder of immune system (navigational concept)C0021053
- Disorder, Immune SystemC0021053
- IMMUNE SYSTEM DISC0021053
- IMMUNOL DISC0021053
- IMMUNOLOGICAL DISC0021053
- ImmunC0021053
- Immune DiseaseC0021053
- Immune DiseasesC0021053
- Immune DisorderC0021053
- Immune DisordersC0021053
- Immune System DiseaseC0021053
- Immune System DiseasesC0021053
- Immune System DisorderC0021053
- Immune System DisordersC0021053
- Immune System and DisordersC0021053
- Immune disease NOSC0021053
- Immune disorderC0021053
- Immune disorder (NOS)C0021053
- Immune dysfunctionC0021053
- Immune system disorderC0021053
- Immune system disorder (NOS)C0021053
- Immune system disorder NOSC0021053
- Immune system disordersC0021053
- Immunity disordersC0021053
- Immunologic DiseaseC0021053
- Immunologic DiseasesC0021053
- Immunological DiseaseC0021053
- Immunological DiseasesC0021053
- immune disorderC0021053
- immune system diseasesC0021053
- immunologic diseaseC0021053
- immunologic diseasesC0021053
- immunologic disorderC0021053
- immunologic disordersC0021053
- immunological diseaseC0021053
- immunological diseasesC0021053
- Disorder involving the immune mechanism, unspecifiedC0041806
- Unspecified disorder of immune mechanismC0041806
Clinical Terms
- Disorder of immune system
- Immune disorder (NOS)
- Autoimmune AND/OR graft reaction
- Diseases of Immune System
- Chorea due to immunological disorder
- Chronic disease of immune structure
- Immune disorder
- Acute tubulointerstitial nephritis
- Disorder of immune function due to systemic lupus erythematosus
- IMMUNOL DIS
- Immune system disorder NOS
- Granulocyte abnormality due to immune defect
- Immunity disorders
- Immunological Diseases
- immunologic disorder
- Autoimmune vasculitis
- immune system diseases
- Autoimmune state
- Drug-induced autoimmune reaction
- DIS IMMUNE SYSTEM
- Acute interstitial nephritis
- Microcephaly, hypogammaglobulinemia, abnormal immunity syndrome
- Disorder of immune system (navigational concept)
- Immunological Disease
- Immune system disorder
- Immune system disorders
- Acute tubulo-interstitial nephritis due to immunological disorder
- Abnormal host defence
- Immun
- Abnormal host response
- Immune Disorders
- Pachymeningitis
- Autoimmunity
- Immunologic Diseases
- Postvaccinal autoimmune reaction
- ATIN - Acute tubulo-interstitial nephritis
- Immune disease NOS
- Microcephaly, hypogammaglobulinaemia, abnormal immunity syndrome
- Disease, Immunological
- Immune-mediated hypertrophic pachymeningitis
- Immune Diseases
- Abnormal host defense
- Hypertrophic pachymeningitis due to disorder of immune function
- Spondyloenchondrodysplasia with immune dysregulation
- Acute TIN (tubulointerstitial nephritis)
- Disorder of immune function
- Immune-mediated neuropathy
- Ulcer of oesophagus due to disorder of immune system
- immunologic disorders
- Autonomic neuropathy due to disorder of immune function
- Immune System and Disorders
- Antibody-mediated activation and inactivation
- IMMUNOLOGICAL DIS
- Immune dysfunction
- Acquired ataxia
- Disease, Immunologic
- Disorder immune system (NOS)
- Roifman-Melamed syndrome
- Disorder of immune structure
- Immunologic defect
- Immune defect
- Immune system complication of procedure
- Induced autoimmune reaction
- Acute tubulo-interstitial nephritis due to disorder of immune function
- Acute tubulointerstitial disease
- Ulcer of esophagus due to immunologic disorder
- Acute tubulo-interstitial nephritis
- Hereditary disorder of immune system
- Ataxia due to disorder of immune function
- Say Barber Miller syndrome
- Immune system disorder (NOS)
- Cryopathy
- Ulcer of esophagus due to disorder of immune system
- Disorder, Immune System
- Acute nephritis due to another disorder
- Spondyloenchondrodysplasia
- Ulcer of oesophagus due to immunologic disorder
- Panniculitis due to immunological disorder
- Immune Disease
- Roifman-Costa syndrome
- Chronic disease of immune function
- AIN - Acute interstitial nephritis
- Immune mediated autonomic neuropathy
- Glomerular disorders in blood diseases and disorders involving the immune mechanism
- immunologic disease
- Disease, Immune System
- IMMUNE SYSTEM DIS
- Unspecified disorder of immune mechanism
- Autoimmune reaction
- Combined immunodeficiency with autoimmunity and spondylometaphyseal dysplasia
- Immune System Disease
- Immunosuppression-related infection
- Disease, Immune
- Immunosuppression-related infectious disease
- Epilepsy due to immune disorder
- Nonspecific immune reaction
Frequently Asked Questions
What is the ICD-10 code for disorder involving the immune mechanism, unspecified?
The ICD-10-CM code for disorder involving the immune mechanism, unspecified is D89.9. The full clinical description is "Disorder involving the immune mechanism, unspecified". D89.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code D89.9 mean?
ICD-10-CM code D89.9 represents “Disorder involving the immune mechanism, unspecified”. It is classified under Chapter 3: Diseases of the Blood and Blood-Forming Organs and is a billable/specific code that can be used on a claim.
Is D89.9 a billable code?
Yes, D89.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is D89.9 in?
D89.9 is in Chapter 3: Diseases of the Blood and Blood-Forming Organs (codes D50-D89).
What codes cannot be used with D89.9?
D89.9 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 SNOMED CT codes does D89.9 map to?
D89.9 maps to 39 SNOMED CT concepts: 28637003, 37394005, 103083001, 722968003, 40371000119105, and 34 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for D89.9?
D89.9 is linked to 2 UMLS Concept Unique Identifiers: C0021053, C0041806. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does D89.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like disorder involving the immune mechanism, unspecified 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 D89.9?
D89.9 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.