Question 1

Is D89 a billable ICD-10 code?

Accepted Answer

No, D89 is not a billable code. It is a category code that requires additional specificity. You must select a more specific code from the subcategories for billing purposes.

Question 2

What does ICD-10 code D89 mean?

Accepted Answer

ICD-10-CM code D89 represents Other disorders involving the immune mechanism, not elsewhere classified. This code is part of the International Classification of Diseases, 10th Revision, Clinical Modification used for medical coding and billing in the United States.

Question 3

What is the parent category for ICD-10 code D89?

Accepted Answer

The parent category for D89 is section:D80-D89 (Certain disorders involving the immune mechanism (D80-D89)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 4

What conditions are excluded from D89?

Accepted Answer

Code D89 has Type 1 Excludes (mutually exclusive conditions) including: hyperglobulinemia NOS (R77.1); monoclonal gammopathy (of undetermined significance) (D47.2). These conditions cannot be coded together with D89 as they represent different diagnoses.

D892026

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