Question 1

Is Q85 a billable ICD-10 code?

Accepted Answer

No, Q85 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 Q85 mean?

Accepted Answer

ICD-10-CM code Q85 represents Phakomatoses, 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 Q85 introduced?

Accepted Answer

Code Q85 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 Q85?

Accepted Answer

The parent category for Q85 is section:Q80-Q89 (Other congenital malformations (Q80-Q89)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions are excluded from Q85?

Accepted Answer

Code Q85 has Type 1 Excludes (mutually exclusive conditions) including: ataxia telangiectasia [Louis-Bar] (G11.3); familial dysautonomia [Riley-Day] (G90.1). These conditions cannot be coded together with Q85 as they represent different diagnoses.

Q852026

Excludes12Not coded together

Excludes21Not included here

Notes1Additional information

Is Q85 a billable ICD-10 code?

What does ICD-10 code Q85 mean?

When was ICD-10 code Q85 introduced?

What is the parent category for ICD-10 code Q85?

What conditions are excluded from Q85?