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ICD-10-CM Codes
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D50-D89
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
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D80-D89
Certain disorders involving the immune mechanism
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D89-
Other disorders involving the immune mechanism, not elsewhere classified
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2022 ICD-10-CM Diagnosis Code D89
2022 ICD-10-CM Diagnosis Code D89
Other disorders involving the immune mechanism, not elsewhere classified
2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
- D89 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- Short description: Oth disorders involving the immune mechanism, NEC
- The 2022 edition of ICD-10-CM D89 became effective on October 1, 2021.
- This is the American ICD-10-CM version of D89 - other international versions of ICD-10 D89 may differ.
Type 1 ExcludesType 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as D89. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Type 2 ExcludesType 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (D89) and the excluded code together.
The following code(s) above
D89 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
D89:
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
ICD-10-CM Codes Adjacent To D89
D86.8 Sarcoidosis of other sites
D86.82 Multiple cranial nerve palsies in sarcoidosis
D86.89 Sarcoidosis of other sites
D86.9 Sarcoidosis, unspecified
D89
Other disorders involving the immune mechanism, not elsewhere classified
D89.0 Polyclonal hypergammaglobulinemia
D89.2 Hypergammaglobulinemia, unspecified
D89.3 Immune reconstitution syndrome
D89.4 Mast cell activation syndrome and related disorders
D89.40 Mast cell activation, unspecified
D89.41 Monoclonal mast cell activation syndrome
D89.42 Idiopathic mast cell activation syndrome
D89.43 Secondary mast cell activation
D89.44 Hereditary alpha tryptasemia
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
