Question 1

Is A85 a billable ICD-10 code?

Accepted Answer

No, A85 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 A85 mean?

Accepted Answer

ICD-10-CM code A85 represents Other viral encephalitis, 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

When was ICD-10 code A85 introduced?

Accepted Answer

Code A85 has been part of ICD-10-CM since 2016, when the coding system was mandated for use in the United States. This code was included in the original US implementation.

Question 4

What is the parent category for ICD-10 code A85?

Accepted Answer

The parent category for A85 is section:A80-A89 (Viral and prion infections of the central nervous system (A80-A89)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions are excluded from A85?

Accepted Answer

Code A85 has Type 1 Excludes (mutually exclusive conditions) including: encephalitis due to cytomegalovirus (B25.8); encephalitis due to herpesvirus NEC (B10.0-); encephalitis due to herpesvirus [herpes simplex] (B00.4) and 6 more conditions. These conditions cannot be coded together with A85 as they represent different diagnoses.

A852026

Excludes113Not coded together

Excludes24Not included here

Use Additional Code1Add code for detail

Includes3Included conditions

Is A85 a billable ICD-10 code?

What does ICD-10 code A85 mean?

When was ICD-10 code A85 introduced?

What is the parent category for ICD-10 code A85?

What conditions are excluded from A85?